{"id":3932,"date":"2024-03-12T10:02:55","date_gmt":"2024-03-12T10:02:55","guid":{"rendered":"http:\/\/152.66.39.178\/?page_id=3932"},"modified":"2024-04-04T14:17:45","modified_gmt":"2024-04-04T14:17:45","slug":"langoptikai_labor","status":"publish","type":"page","link":"https:\/\/labor.energia.bme.hu\/en\/langoptikai_labor\/","title":{"rendered":"FLAME OPTICS LABORATORY"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"3932\" class=\"elementor elementor-3932\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-86a7ff2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"86a7ff2\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e46bc4b\" data-id=\"e46bc4b\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c820875 elementor-widget elementor-widget-spacer\" data-id=\"c820875\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-504d0ef elementor-widget elementor-widget-spacer\" data-id=\"504d0ef\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0c35ee4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0c35ee4\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c8d56ae\" data-id=\"c8d56ae\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-25b5b9a elementor-widget elementor-widget-spacer\" data-id=\"25b5b9a\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-105db36 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"105db36\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-48ddf33\" data-id=\"48ddf33\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3e3f648 elementor-tabs-view-vertical elementor-widget elementor-widget-tabs\" data-id=\"3e3f648\" data-element_type=\"widget\" data-widget_type=\"tabs.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-tabs\">\n\t\t\t<div class=\"elementor-tabs-wrapper\" role=\"tablist\" >\n\t\t\t\t\t\t\t\t\t<div id=\"elementor-tab-title-6521\" class=\"elementor-tab-title elementor-tab-desktop-title\" aria-selected=\"true\" data-tab=\"1\" role=\"tab\" tabindex=\"0\" aria-controls=\"elementor-tab-content-6521\" aria-expanded=\"false\">Schlieren System<\/div>\n\t\t\t\t\t\t\t\t\t<div id=\"elementor-tab-title-6522\" class=\"elementor-tab-title elementor-tab-desktop-title\" aria-selected=\"false\" data-tab=\"2\" role=\"tab\" tabindex=\"-1\" aria-controls=\"elementor-tab-content-6522\" aria-expanded=\"false\">L\u00c1NGCS\u0150<\/div>\n\t\t\t\t\t\t\t\t\t<div id=\"elementor-tab-title-6523\" class=\"elementor-tab-title elementor-tab-desktop-title\" aria-selected=\"false\" data-tab=\"3\" role=\"tab\" tabindex=\"-1\" aria-controls=\"elementor-tab-content-6523\" aria-expanded=\"false\">L\u00c1NGSPEKTROSZK\u00d3P<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t<div class=\"elementor-tabs-content-wrapper\" role=\"tablist\" aria-orientation=\"vertical\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-tab-title elementor-tab-mobile-title\" aria-selected=\"true\" data-tab=\"1\" role=\"tab\" tabindex=\"0\" aria-controls=\"elementor-tab-content-6521\" aria-expanded=\"false\">Schlieren System<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-6521\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-6521\" tabindex=\"0\" hidden=\"false\"><h1 style=\"color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; font-style: normal;\">Schlieren System<\/h1><h3 style=\"color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; font-style: normal;\">The Schlieren phenomena<\/h3><p><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">In general deflection of light beams passing through an inhomogeneous media is called the Schlieren phenomena. The phenomena can be the effect of surface roughness of transparent solids and\/or changing properties in fluids and gases. What is similar in these effects is that the light beams deflect causing image distortion in an optical system. As an example, on figure\u00a0<\/span><em style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-weight: 400;\">1. \u00e1br\u00e1n<\/em><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">\u00a0a thermal boundary layer is shown above the hot roof of a car. Light beams passing through this boundary layer will deflect distorting the image of the bars behind the car.<\/span><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">The phenomena is fairly complex, however in some special cases it can be well described. Based on these special cases the schlieren phenomena can be used for visualization and measurement purposes as well.<\/span><\/p><div style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400; text-align: center;\"><img fetchpriority=\"high\" decoding=\"async\" src=\"http:\/\/labor.energia.bme.hu\/wp-content\/uploads\/2024\/03\/bmelab_10_02.jpg\" alt=\"bmelab_10_02.jpg\" width=\"451\" height=\"279\" \/><\/div><div style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-weight: 400; font-size: 8pt; font-style: italic; margin-top: 6.4375px; margin-bottom: 6.4375px; text-align: center;\">Figure 1 \u2013 Thermal boundary layer on the roof of a car [1]<\/div><h3 style=\"color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; font-style: normal;\">Physical background<\/h3><p><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">Let\u2019s consider a gaseous media with a distribution in its properties including the refractive index of the gas. The change of the refractive index field can be described with the  gradient as it is a scalar filed: grad(n). If the light beams are passing through a media in which the gradient of the refractive index is constant (see Figure\u00a0<\/span><em style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-weight: 400;\">2<\/em><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">\u00a0than the light beams will change their lineal propagation into a circular path with a radii of R.<\/span><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">\u00a0<\/span><\/p><div style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400; text-align: center;\"><img decoding=\"async\" src=\"http:\/\/labor.energia.bme.hu\/wp-content\/uploads\/2024\/03\/bmelab_10_03.jpg\" alt=\"bmelab_10_03.jpg\" width=\"478\" height=\"186\" \/><\/div><div style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-weight: 400; font-size: 8pt; font-style: italic; margin-top: 6.4375px; margin-bottom: 6.4375px; text-align: center;\">Figure 2 \u2013 Deflation of light beams in a gaseous media with continuously changing refractive index<\/div><p><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">The radi of the new path is the following:<\/span><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">\u00a0<\/span><\/p><div style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400; text-align: center;\"><img decoding=\"async\" src=\"http:\/\/labor.energia.bme.hu\/wp-content\/uploads\/2024\/03\/bmelab_10_08.jpg\" alt=\"bmelab_10_08.jpg\" width=\"169\" height=\"48\" \/><\/div><h3 style=\"color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; font-style: normal;\">Angle of reflection<\/h3><p><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">The angle of deflation is defined as the angle between the original lineal path and the tangent line of the new curved path (see Figure 3):<\/span><\/p><div style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400; text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/labor.energia.bme.hu\/wp-content\/uploads\/2024\/03\/bmelab_10_04.jpg\" alt=\"bmelab_10_04.jpg\" width=\"379\" height=\"261\" \/><\/div><div style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-weight: 400; font-size: 8pt; font-style: italic; margin-top: 6.4375px; margin-bottom: 6.4375px; text-align: center;\">Figure 3 \u2013 The Angle of deflaction<\/div><h3 style=\"color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; font-style: normal;\">Physical properties affecting the refractive index<\/h3><p><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">The refractive index depends on the wavelength and on the properties of the gas it is passing through. The latter ones are temperature, pressure, material properties, composition (in case of gas mixture)<\/span><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><img loading=\"lazy\" decoding=\"async\" style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" src=\"http:\/\/labor.energia.bme.hu\/wp-content\/uploads\/2024\/03\/bmelab_10_09.jpg\" alt=\"bmelab_10_09.jpg\" width=\"162\" height=\"35\" \/><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">For a given material the refractive index is dependent on the density. Considering the equation of state for that gas (the equation of state gives a relation betveen density, temperature and pressure) it is obvious that the refractive index is a function of pressure and temperature:<\/span><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">\u00a0\u00a0\u00a0<\/span><img loading=\"lazy\" decoding=\"async\" style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" src=\"http:\/\/labor.energia.bme.hu\/wp-content\/uploads\/2024\/03\/bmelab_10_10.jpg\" alt=\"bmelab_10_10.jpg\" width=\"178\" height=\"28\" \/><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">The so-called Gladstone-Dale equation gives the relation between the refractive index and density:<\/span><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">\u00a0\u00a0\u00a0<\/span><img loading=\"lazy\" decoding=\"async\" style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" src=\"http:\/\/labor.energia.bme.hu\/wp-content\/uploads\/2024\/03\/bmelab_10_11.jpg\" alt=\"bmelab_10_11.jpg\" width=\"121\" height=\"60\" \/><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">Applying the ideal gas law for two states:<\/span><img loading=\"lazy\" decoding=\"async\" style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" src=\"http:\/\/labor.energia.bme.hu\/wp-content\/uploads\/2024\/03\/bmelab_10_12.jpg\" alt=\"bmelab_10_12.jpg\" width=\"116\" height=\"50\" align=\"middle\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">\u00a0:<\/span><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">\u00a0<\/span><img loading=\"lazy\" decoding=\"async\" style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" src=\"http:\/\/labor.energia.bme.hu\/wp-content\/uploads\/2024\/03\/bmelab_10_13.jpg\" alt=\"bmelab_10_13.jpg\" width=\"125\" height=\"65\" \/><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">Substituting the Gladstone-Dale equation:<\/span><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">\u00a0\u00a0\u00a0<\/span><img loading=\"lazy\" decoding=\"async\" style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" src=\"http:\/\/labor.energia.bme.hu\/wp-content\/uploads\/2024\/03\/bmelab_10_14.jpg\" alt=\"bmelab_10_14.jpg\" width=\"134\" height=\"59\" align=\"middle\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">\u00a0, and:<\/span><img loading=\"lazy\" decoding=\"async\" style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" src=\"http:\/\/labor.energia.bme.hu\/wp-content\/uploads\/2024\/03\/bmelab_10_15.jpg\" alt=\"bmelab_10_15.jpg\" width=\"196\" height=\"60\" align=\"middle\" \/><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">For an isobaric process:<\/span><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">\u00a0<\/span><img loading=\"lazy\" decoding=\"async\" style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" src=\"http:\/\/labor.energia.bme.hu\/wp-content\/uploads\/2024\/03\/bmelab_10_17.jpg\" alt=\"bmelab_10_17.jpg\" width=\"170\" height=\"54\" \/><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">The light\u00a0<\/span><em style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-weight: 400;\">Figure 4<\/em><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">\u00a0the refractive index is shown as the function of temperature at ambient pressure. At high temperature ranges the curve becomes flat. In case of a measurement of temperature based on a refractive index measurement one should count with decreasing sensitivity at high temperatures.<\/span><\/p><div style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400; text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/labor.energia.bme.hu\/wp-content\/uploads\/2024\/03\/bmelab_10_05.jpg\" alt=\"bmelab_10_05.jpg\" width=\"419\" height=\"313\" \/><\/div><div style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-weight: 400; font-size: 8pt; font-style: italic; margin-top: 6.4375px; margin-bottom: 6.4375px; text-align: center;\">Figure 4 \u2013 Refractive index as the function of temperature for Air at ambient pressure<\/div><h3 style=\"color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; font-style: normal;\">Schlieren equipments with parallel lightbeams<\/h3><p><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">The scematic of a Schlieren equipment operating with parallel lightbeams is shown on Figure 5.\u00a0<\/span><em style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-weight: 400;\">5. \u00e1bra.<\/em><\/p><div style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400; text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/labor.energia.bme.hu\/wp-content\/uploads\/2024\/03\/bmelab_10_06.jpg\" alt=\"bmelab_10_06.jpg\" width=\"581\" height=\"161\" \/><\/div><p><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">\u00a0<\/span><\/p><div style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-weight: 400; font-size: 8pt; font-style: italic; margin-top: 6.4375px; margin-bottom: 6.4375px; text-align: center;\">Figure 5 \u2013 Schematic of a Schlieren equipment<\/div><table style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\" border=\"0\"><tbody><tr><td style=\"width: 50px;\">R<\/td><td>Slot<\/td><\/tr><tr><td style=\"width: 50px;\">O<sub>1<\/sub>,O<sub>2<\/sub><\/td><td>Schlieren objectives<\/td><\/tr><tr><td style=\"width: 50px;\">S<\/td><td>Subject<\/td><\/tr><tr><td style=\"width: 50px;\">B<\/td><td>Blend, knife<\/td><\/tr><tr><td style=\"width: 50px;\">S\u2019<\/td><td>Plane of projection<\/td><\/tr><\/tbody><\/table><p><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">The light source is placed on the left side. The light beams are collected with a lens system in the plane of the slot (R). With this set up the light source acts as a \u201eslot light source\u201d. After leaving the slot light enters the Schlieren objectives \u2013 and the subject in between them \u2013 and is collected in the plane of the knife (B). The image of the subject is formed in the plane of projection after going through an additional lens system.<\/span><em style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-weight: 400;\">6. \u00e1bra<\/em><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">).<\/span><\/p><div style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400; text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/labor.energia.bme.hu\/wp-content\/uploads\/2024\/03\/bmelab_10_07.jpg\" alt=\"bmelab_10_07.jpg\" width=\"412\" height=\"238\" \/><\/div><div style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-weight: 400; font-size: 8pt; font-style: italic; margin-top: 6.4375px; margin-bottom: 6.4375px; text-align: center;\">6. \u00e1bra &#8211; P\u00e1rhuzamos sug\u00e1rnyal\u00e1bok kialakul\u00e1sa<\/div><p><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">The light\u00a0<\/span><em style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-weight: 400;\">6. \u00e1br\u00e1b\u00f3l<\/em><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">\u00a0The maximal angle between two light beams<\/span><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">\u00a0<\/span><img loading=\"lazy\" decoding=\"async\" style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" src=\"http:\/\/labor.energia.bme.hu\/wp-content\/uploads\/2024\/03\/bmelab_10_18.jpg\" alt=\"bmelab_10_18.jpg\" width=\"131\" height=\"64\" align=\"middle\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">\u00a0, for low angles :\u00a0<\/span><img decoding=\"async\" style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" src=\"http:\/\/labor.energia.bme.hu\/wp-content\/uploads\/2024\/03\/bmelab_10_19.jpg\" alt=\"bmelab_10_19.jpg\" width=\"100\" align=\"middle\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">: \u00a0<\/span><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">Tekints\u00fck R r\u00e9s hosszabbik \u00e9l\u00e9t a lap s\u00edkj\u00e1ra mer\u0151legesnek (<\/span><em style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-weight: 400;\">3. \u00e1bra<\/em><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">). O2 f\u00f3kuszs\u00edkj\u00e1ban helyezz\u00fck el B Schlieren blend\u00e9t (k\u00e9s) \u00fagy, hogy a blende \u00e9le p\u00e1rhuzamos legyen a r\u00e9s hosszabbik \u00e9l\u00e9vel (s1 a r\u00e9s r\u00f6videbbik \u00e9le). A B blend\u00e9t felfel\u00e9 mozgatva R r\u00e9s k\u00e9p\u00e9b\u0151l egyre nagyobb r\u00e9szt takar ki, m\u00edg v\u00e9g\u00fcl teljesen ki nem takarja. A kitakar\u00e1snak megfelel\u0151en S\u2019 erny\u0151n a megvil\u00e1g\u00edt\u00e1s er\u0151ss\u00e9ge egyenletesen \u2013 az erny\u0151 b\u00e1rmely pontj\u00e1ban egyform\u00e1n \u2013 cs\u00f6kken.<\/span><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">Tegy\u00fcnk S t\u00e1rgy hely\u00e9be egy olyan s\u00edkot, amely csak egy pontban (P) k\u00e9pes a f\u00e9nysugarakat \u00e1tereszteni. Ebben az esetben a P ponton \u00e1thalad\u00f3 f\u00e9nysugarak egy\u00a0 sz\u00f6g\u0171 f\u00e9nyk\u00fapot alkotnak. A f\u00e9nyk\u00fap sugarai a p\u00e1rhuzamos f\u00e9nysugarakb\u00f3l ker\u00fclnek ki, minden ir\u00e1nyhoz tartoz\u00f3 sug\u00e1rnyal\u00e1bb\u00f3l egy-egy. Ennek a f\u00e9nyk\u00fapnak is egy s1sz\u00e9less\u00e9g\u0171 r\u00e9s a k\u00e9pe B blende s\u00edkj\u00e1ban, a f\u00e9nysugarak S\u2019 erny\u0151n egy pontban (P\u2019) egyes\u00fclnek. Teh\u00e1t a vizsg\u00e1lt t\u00e9rr\u00e9sz, vagy t\u00e1rgy egy pontj\u00e1nak k\u00e9pe a lek\u00e9pz\u00e9sben szint\u00e9n pont. Ha a P pontban a f\u00e9nysugarak ir\u00e1nya \u2013 Schlieren k\u00f6vetkezt\u00e9ben \u2013 megv\u00e1ltozik, a r\u00e9s k\u00e9pe eltol\u00f3dik annak megfelel\u0151en, hogy az eltol\u00f3d\u00e1s a blende \u00e9l\u00e9vel p\u00e1rhuzamosan felfel\u00e9, vagy lefel\u00e9 t\u00f6rt\u00e9nt. Ha a r\u00e9sk\u00e9p lefel\u00e9 tol\u00f3dik el, akkor a blende annak egy r\u00e9sz\u00e9t kitakarja, a l\u00e9trej\u00f6v\u0151 P\u2019 k\u00e9ppont megvil\u00e1g\u00edt\u00e1s\u00e1nak er\u0151ss\u00e9ge cs\u00f6kken. Ellent\u00e9tes ir\u00e1ny\u00fa elt\u00e9r\u00fcl\u00e9s eset\u00e9n a k\u00e9ppont vil\u00e1gosabb lesz. Mivel ez \u00e9rv\u00e9nyes P s\u00edkj\u00e1nak b\u00e1rmely pontj\u00e1ra a Schlieren helyek egy id\u0151ben mutathat\u00f3k ki.<\/span><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">A Schlieren blende alaphelyzet\u00e9t alkalmasan megv\u00e1lasztva \u2013 Schlierent\u0151l mentes k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tt a r\u00e9sk\u00e9pet r\u00e9szben m\u00e1r kitakarja \u2013 a blende \u00e9l\u00e9re mer\u0151leges ir\u00e1nyban az elhajl\u00e1sok mindk\u00e9t ir\u00e1nyban kimutathat\u00f3k. Azon pontok megvil\u00e1g\u00edt\u00e1sa, amelyek a blende \u00e9l fel\u00e9 hajlottak el gyeng\u00e9bb lesz \u2013 az alap megvil\u00e1g\u00edt\u00e1shoz k\u00e9pest \u2013 m\u00edg, amelyek az ellenkez\u0151 ir\u00e1nyban t\u00e9r\u00fcltek el, azok\u00e9 er\u0151sebb.<\/span><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">A blende \u00e9l\u00e9vel p\u00e1rhuzamos elhajl\u00e1sokra a megvil\u00e1g\u00edt\u00e1s er\u0151ss\u00e9ge nem v\u00e1ltozik, \u00edgy azokra a rendszer \u00e9rz\u00e9ketlen. Ez\u00e9rt a gyakorlatban k\u00e9t r\u00e9s \u2013 \u00e9s vele p\u00e1rhuzamos \u00e1ll\u00e1s\u00fa blende \u2013 \u00e1ll\u00e1s mellett kell felv\u00e9teleket k\u00e9sz\u00edteni. C\u00e9lszer\u0171 a k\u00e9t \u00e1ll\u00e1st \u00fagy megv\u00e1lasztani, hogy azok egym\u00e1ssal der\u00e9ksz\u00f6get z\u00e1rjanak be.<\/span><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">Az elt\u00e9r\u00fcl\u00e9si sz\u00f6g a k\u00e9s poz\u00edci\u00f3j\u00e1nak \u00e9s a Schlieren objekt\u00edvek f\u00f3kuszt\u00e1vols\u00e1g\u00e1nak ismeret\u00e9ben sz\u00e1m\u00edthat\u00f3.<\/span><\/p><h3 style=\"color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; font-style: normal;\">M\u00e9r\u00e9shat\u00e1r, \u00e9rz\u00e9kenys\u00e9g<\/h3><p><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">A m\u00e9r\u00e9shat\u00e1r vizsg\u00e1lat\u00e1n\u00e1l azt kell tudnunk, hogy mekkora az a legnagyobb elt\u00e9r\u00fcl\u00e9si sz\u00f6g, amit a rendszer m\u00e9g ki tud mutatni. A\u00a0<\/span><em style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-weight: 400;\">16. \u00e1bra<\/em><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">\u00a0alapj\u00e1n bel\u00e1that\u00f3, hogy ha a r\u00e9s k\u00e9pe \u201es1 m\u00e9rt\u00e9kben\u201d elt\u00e9r\u00fcl, akkor a kitakar\u00e1s teljes, tov\u00e1bbi elt\u00e9r\u00fcl\u00e9s ebben az ir\u00e1nyban m\u00e1r nem okoz v\u00e1ltoz\u00e1st a megvil\u00e1g\u00edt\u00e1s er\u0151ss\u00e9g\u00e9ben.<\/span><\/p><div style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400; text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/labor.energia.bme.hu\/wp-content\/uploads\/2024\/03\/bmelab_10_20.jpg\" alt=\"bmelab_10_20.jpg\" width=\"400\" height=\"183\" \/><\/div><div style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-weight: 400; font-size: 8pt; font-style: italic; margin-top: 6.4375px; margin-bottom: 6.4375px; text-align: center;\">7. \u00e1bra &#8211; a, Nincs kitakar\u00e1s\u00a0 b, Teljes kitakar\u00e1s<\/div><p><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">K\u00f6zel\u00edt\u0151leg \u00edrhat\u00f3:<\/span><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><img loading=\"lazy\" decoding=\"async\" style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" src=\"http:\/\/labor.energia.bme.hu\/wp-content\/uploads\/2024\/03\/bmelab_10_26.jpg\" alt=\"bmelab_10_26.jpg\" width=\"97\" height=\"66\" align=\"middle\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">az adott k\u00e9sz\u00fcl\u00e9ken m\u00e9rheto&#8221; legnagyobb sz\u00f6gelhajl\u00e1s.<\/span><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">A fenti egyenletb\u0151l l\u00e1that\u00f3, hogy a m\u00e9r\u00e9shat\u00e1r s1 v\u00e1ltoztat\u00e1s\u00e1val v\u00e1ltoztathat\u00f3 (pl. n\u00f6velhet\u0151, ha a kialakult Schlieren k\u00e9pen a teljes kivil\u00e1gosod\u00e1s, vagy teljes els\u00f6t\u00e9ted\u00e9s kialakul, l\u00e1sd\u00a0<\/span><em style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-weight: 400;\">7. \u00e1bra<\/em><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">. Fontos ugyanakkor megjegyezni, hogy a r\u00e9s v\u00e1ltoztat\u00e1sa hat\u00e1ssal van az \u00e9rz\u00e9kenys\u00e9gre is.<\/span><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">Az \u00e9rz\u00e9kenys\u00e9g azt a minim\u00e1lis v\u00e1ltoz\u00e1st jelenti, amit egy m\u00f3dszerrel m\u00e1r \u00e9szlelni lehet. Eset\u00fcnkben ez a minim\u00e1lis elt\u00e9r\u00fcl\u00e9si sz\u00f6g, amit t\u00e9telezz\u00fcnk fel a legnagyobb elt\u00e9r\u00fcl\u00e9si sz\u00f6g \u2019p\u2019 sz\u00e1zal\u00e9k\u00e1nak:<\/span><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">\u00a0<\/span><img loading=\"lazy\" decoding=\"async\" style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" src=\"http:\/\/labor.energia.bme.hu\/wp-content\/uploads\/2024\/03\/bmelab_10_27.jpg\" alt=\"bmelab_10_27.jpg\" width=\"116\" height=\"56\" \/><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">Az \u00e9rz\u00e9kenys\u00e9g ennek reciproka:<\/span><\/p><div style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/labor.energia.bme.hu\/wp-content\/uploads\/2024\/03\/bmelab_10_28.jpg\" alt=\"bmelab_10_28.jpg\" width=\"177\" height=\"61\" \/><\/div><p><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">L\u00e1that\u00f3., hogy \u2019s1\u2019 r\u00e9sm\u00e9ret n\u00f6vel\u00e9s\u00e9vel az \u00e9rz\u00e9kenys\u00e9g cs\u00f6kken.<\/span><\/p><div style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400; text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/labor.energia.bme.hu\/wp-content\/uploads\/2024\/03\/bmelab_10_21.jpg\" alt=\"bmelab_10_21.jpg\" width=\"318\" height=\"238\" \/><\/div><div style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-weight: 400; font-size: 8pt; font-style: italic; margin-top: 6.4375px; margin-bottom: 6.4375px; text-align: center;\">8. \u00e1bra &#8211; A vizsg\u00e1lt termikus hat\u00e1rr\u00e9tegben teljes els\u00f6t\u00e9ted\u00e9s alakult ki<\/div><div style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400; text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/labor.energia.bme.hu\/wp-content\/uploads\/2024\/03\/bmelab_10_22.jpg\" alt=\"bmelab_10_22.jpg\" width=\"322\" height=\"241\" \/><\/div><div style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-weight: 400; font-size: 8pt; font-style: italic; margin-top: 6.4375px; margin-bottom: 6.4375px; text-align: center;\">9. \u00e1bra &#8211; Termikus hat\u00e1rr\u00e9teg k\u00e9pe a blende elmozd\u00edt\u00e1sa eset\u00e9n<\/div><h3 style=\"color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; font-style: normal;\">A tansz\u00e9ki Schlieren berendez\u00e9s<\/h3><p><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">A tansz\u00e9ki Schlieren berendez\u00e9s v\u00e1zlata a\u00a0<\/span><em style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-weight: 400;\">10. \u00e1br\u00e1n<\/em><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">\u00a0l\u00e1that\u00f3. A f\u00e9nyforr\u00e1s higanyg\u0151z l\u00e1mpa, a r\u00e9s \u00e9s a k\u00e9s poz\u00edci\u00f3ja prec\u00edzen \u00e1ll\u00edthat\u00f3. A Schlieren objekt\u00edvek \u00e1tm\u00e9r\u0151je 80 mm, ez a vizsg\u00e1lhat\u00f3 t\u00e9rr\u00e9sz m\u00e9ret\u00e9nek fels\u0151 korl\u00e1tja.<\/span><\/p><div style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400; text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/labor.energia.bme.hu\/wp-content\/uploads\/2024\/03\/bmelab_10_23.jpg\" alt=\"bmelab_10_23.jpg\" width=\"655\" height=\"288\" \/><\/div><div style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-weight: 400; font-size: 8pt; font-style: italic; margin-top: 6.4375px; margin-bottom: 6.4375px; text-align: center;\">10. \u00e1bra &#8211; A tansz\u00e9ki Schlieren berendez\u00e9s v\u00e1zlata (Schlieren &#8211; Aufnahmeger\u00e4t 80)<\/div><table style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\" border=\"0\"><tbody><tr><td style=\"width: 50px;\">1<\/td><td>F\u00e9nyforr\u00e1s<\/td><\/tr><tr><td style=\"width: 50px;\">2<\/td><td>Kondenzor<\/td><\/tr><tr><td style=\"width: 50px;\">3<\/td><td>Slot<\/td><\/tr><tr><td style=\"width: 50px;\">4,6<\/td><td>Schlieren Objekt\u00edvek<\/td><\/tr><tr><td style=\"width: 50px;\">5<\/td><td>Vizsg\u00e1land\u00f3 t\u00e1rgy<\/td><\/tr><tr><td style=\"width: 50px;\">7<\/td><td>Blende<\/td><\/tr><tr><td style=\"width: 50px;\">8<\/td><td>Fot\u00f3 objekt\u00edv<\/td><\/tr><tr><td style=\"width: 50px;\">9<\/td><td>Vet\u00edt\u0151 objekt\u00edv<\/td><\/tr><tr><td style=\"width: 50px;\">10<\/td><td>Matt \u00fcveg \/ Vet\u00edt\u00e9s helye<\/td><\/tr><tr><td style=\"width: 50px;\">11<\/td><td>Elt\u00e9r\u00edto t\u00fck\u00f6r<\/td><\/tr><tr><td style=\"width: 50px;\">12<\/td><td>Lek\u00e9pez\u0151 objekt\u00edv<\/td><\/tr><tr><td style=\"width: 50px;\">13<\/td><td>Matt\u00fcveg \/ k\u00e9s poz\u00edci\u00f3j\u00e1nak ellen\u0151rz\u00e9se<\/td><\/tr><\/tbody><\/table><h3 style=\"color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; font-style: normal;\">Sz\u00ednes Schlieren felv\u00e9telek<\/h3><p><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">Lehet\u0151s\u00e9g van a r\u00e9s (<\/span><em style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-weight: 400;\">10. \u00e1bra<\/em><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">\u00a0\u2013 2) hely\u00e9re sz\u00ednes illetve cs\u00edkos di\u00e1t elhelyezni (l\u00e1sd.\u00a0<\/span><em style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-weight: 400;\">11. \u00e1bra<\/em><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">).<\/span><\/p><div style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400; text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/labor.energia.bme.hu\/wp-content\/uploads\/2024\/03\/bmelab_10_24.jpg\" alt=\"bmelab_10_24.jpg\" width=\"239\" height=\"234\" \/><\/div><div style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-weight: 400; font-size: 8pt; font-style: italic; margin-top: 6.4375px; margin-bottom: 6.4375px; text-align: center;\">11. \u00e1bra &#8211; Schlieren berendez\u00e9shez haszn\u00e1lhat\u00f3 sz\u00ednes dia<\/div><p><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">A sz\u00ednes dia haszn\u00e1lata eset\u00e9n, ha \u00fcres vizsg\u00e1l\u00f3t\u00e9r mellett a dia poz\u00edci\u00f3j\u00e1t v\u00e1ltoztatjuk, akkor \u2013 felt\u00e9ve, hogy a r\u00e9s legfeljebb olyan vastag, mint a di\u00e1n l\u00e9v\u0151 cs\u00edkok vastags\u00e1ga \u2013 egys\u00e9ges sz\u00edn\u0171, alap megvil\u00e1g\u00edt\u00e1s\u00fa k\u00e9pet kapunk. Az ekkor l\u00e1that\u00f3 \u2013 0 elt\u00e9r\u00fcl\u00e9s\u0171 f\u00e9nysugarakhoz tartoz\u00f3 sz\u00edn \u2013 sz\u00ednt alapsz\u00ednnek nevezz\u00fck.<\/span><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">Ha a vizsg\u00e1l\u00f3t\u00e9rben Schlieren tartalm\u00fa t\u00e1rgyat, vagy k\u00f6zeget helyez\u00fcnk el, akkor az elt\u00e9r\u00fcl\u00e9sek eredm\u00e9nyek\u00e9nt k\u00fcl\u00f6nb\u00f6z\u0151 sz\u00edn\u0171 z\u00f3n\u00e1k j\u00f6nnek l\u00e9tre a lek\u00e9pz\u00e9s sor\u00e1n. Ekkor az elt\u00e9r\u00fcl\u00e9si sz\u00f6g a sz\u00ednes dia cs\u00edkjainak vastags\u00e1g\u00e1b\u00f3l \u00e9s a sz\u00edn sorrendb\u0151l sz\u00e1m\u00edthat\u00f3 ki.<\/span><\/p><h3 style=\"color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; font-style: normal;\">P\u00e9ld\u00e1k:<\/h3><div style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400; text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/labor.energia.bme.hu\/wp-content\/uploads\/2024\/03\/bmelab_10_25.jpg\" alt=\"bmelab_10_25.jpg\" width=\"376\" height=\"266\" \/><\/div><div style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-weight: 400; font-size: 8pt; font-style: italic; margin-top: 6.4375px; margin-bottom: 6.4375px; text-align: center;\">12. \u00e1bra &#8211; Rak\u00e9tamodell k\u00f6r\u00fcli \u00e1raml\u00e1s szeml\u00e9ltet\u00e9se sz\u00ednes Schlieren technik\u00e1val [2]<\/div><h3 style=\"color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; font-style: normal;\">Referenci\u00e1k<\/h3><ol style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\"><li>Gary S. Settles: Schlieren and Shadowgraph Imaging in the Great Outdoors , Proceedings of PSFVIP-2, Honolulu, USA, May 16-19, 1999<br \/><a style=\"font-style: normal; font-weight: bold; color: #999999; text-decoration-line: underline;\" href=\"http:\/\/www.mne.psu.edu\/psgdl\/psfvip2.pap.copyrightedimages.pdf\">http:\/\/www.mne.psu.edu\/psgdl\/psfvip2.pap.copyrightedimages.pdf<\/a><\/li><li><a style=\"font-style: normal; font-weight: normal; color: #464343; text-decoration-line: underline;\" href=\"http:\/\/www.la.dlr.de\/ra\/sart\/projects\/lfbb\/colorschlieren.jpg\">http:\/\/www.la.dlr.de\/ra\/sart\/projects\/lfbb\/colorschlieren.jpg<\/a><\/li><\/ol><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-tab-title elementor-tab-mobile-title\" aria-selected=\"false\" data-tab=\"2\" role=\"tab\" tabindex=\"-1\" aria-controls=\"elementor-tab-content-6522\" aria-expanded=\"false\">L\u00c1NGCS\u0150<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-6522\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-6522\" tabindex=\"0\" hidden=\"hidden\"><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 3.33333rem; font-style: normal; font-weight: bold;\">A l\u00e1ngterjed\u00e9si sebess\u00e9g m\u00e9r\u0151 berendez\u00e9s fel\u00e9p\u00edt\u00e9se<\/span>\n\n<br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">A rendszer g\u00e1z ell\u00e1t\u00e1sa h\u00e1l\u00f3zati vezet\u00e9kes g\u00e1z \u00fatj\u00e1n t\u00f6rt\u00e9nik, m\u00edg a leveg\u0151 ell\u00e1t\u00e1s\u00e1t egy ventil\u00e1tor biztos\u00edtja. Mind a g\u00e1z, mind a leveg\u0151 egy meghat\u00e1rozott mennyis\u00e9g\u00e9nek sz\u00e1ll\u00edt\u00e1sa egy kever\u0151t\u00e9ren kereszt\u00fcl t\u00f6rt\u00e9nik az el\u00e9get\u00e9sre \u00e9s a kever\u00e9k elegy sebess\u00e9g\u00e9nek m\u00e9r\u00e9s\u00e9re szolg\u00e1l\u00f3 \u00fcvegcs\u0151be.<\/span><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">A g\u00e1z \u00e9s a leveg\u0151 \u00fatja a kever\u0151t\u00e9rig megegyezik. K\u00fcl\u00f6n-k\u00fcl\u00f6n g\u00e1z\u00f3r\u00e1val m\u00e9rj\u00fck a elt\u00e9r\u0151 koncentr\u00e1ci\u00f3 \u00e9rt\u00e9kek be\u00e1ll\u00edt\u00e1s\u00e1hoz sz\u00fcks\u00e9ges mennyis\u00e9geket, majd egy k\u00e9zi vez\u00e9rl\u00e9s\u0171 m\u00e1gnesszelepeken kereszt\u00fcl juttatjuk a kever\u0151t\u00e9rbe. Itt j\u00f6n l\u00e9tre a kever\u00e9kk\u00e9pz\u00e9s. A m\u00e1sik<\/span><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">lehet\u0151s\u00e9g a mennyis\u00e9gek be\u00e1ll\u00edt\u00e1s\u00e1ra az azonos kialak\u00edt\u00e1s\u00fa furatt\u00e1rcs\u00e1k alkalmaz\u00e1sa, amelyek az oszt\u00f3k\u00f6r\u00f6n k\u00fcl\u00f6nb\u00f6z\u0151 \u00e1tm\u00e9r\u0151j\u00fa furatokkal rendelkeznek. A k\u00e9t t\u00e1rcs\u00e1val azonos nyom\u00e1son, elt\u00e9r\u0151 furat\u00e1tm\u00e9r\u0151kkel, azonos \u00e1raml\u00e1si id\u0151 eset\u00e9n a t\u00e9rfogat\u00e1ramot lehet v\u00e1ltoztatni. A furat \u00e1tm\u00e9r\u0151k ar\u00e1ny\u00e1b\u00f3l sz\u00e1m\u00edthat\u00f3 a g\u00e1z\/leveg\u0151 ar\u00e1nya.<\/span><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">A kever\u0151t\u00e9rb\u0151l a be\u00e1ll\u00edtott g\u00e1z\/leveg\u0151 elegy az \u00e1br\u00e1n l\u00e1that\u00f3 m\u00f3don felt\u00f6lti a mindk\u00e9t v\u00e9g\u00e9n z\u00e1rt \u00fcvegcs\u00f6vet. Az \u00fcvegcs\u0151 als\u00f3 z\u00e1r\u00f3fedele egy visszagyullad\u00e1sg\u00e1tl\u00f3 bet\u00e9thez kapcsol\u00f3dik. Ennek kett\u0151s szerepe van. Egyr\u00e9szt az \u00e9g\u00e9s sor\u00e1n a visszagyullad\u00e1st akad\u00e1lyozza meg, m\u00e1sr\u00e9szt a m\u00e9r\u0151cs\u0151 be\u00e1ll\u00edtott koncentr\u00e1ci\u00f3j\u00fa kever\u00e9kkel val\u00f3 felt\u00f6lt\u0151d\u00e9s\u00e9t is jelzi. A visszagyullad\u00e1sg\u00e1tl\u00f3 bet\u00e9t is tel\u00edt\u0151dik az \u00e9ghet\u0151 eleggyel, amit a v\u00e9g\u00e9n elhelyezett gy\u00fajt\u00f3l\u00e1ng meggy\u00fajt.<\/span><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">A m\u00e9r\u00e9sre szolg\u00e1l\u00f3 \u00fcvegcs\u0151ben az \u00e9g\u0151k\u00e9pes kever\u00e9ket egy k\u00e9zi vez\u00e9rl\u00e9s gy\u00fajt\u00f3 elektr\u00f3d\u00e1val gy\u00fajtjuk meg. A \u00fcvegcs\u0151 alj\u00e1n \u00e9s a v\u00e9g\u00e9n k\u00e9t ioniz\u00e1ci\u00f3s detektor tal\u00e1lhat\u00f3, amelyek \u00e9rz\u00e9kelik a l\u00e1ngfront kialakul\u00e1s\u00e1t, \u00e9s a l\u00e1ngfront fut\u00e1s\u00e1nak befejez\u00e9s\u00e9t. A k\u00e9t ioniz\u00e1ci\u00f3s \u00e9rz\u00e9kel\u0151 alternat\u00edv kapcsol\u00f3k\u00e9nt egy rel\u00e9n kereszt\u00fcl ind\u00edtja, illetve le\u00e1ll\u00edtja az elektromos stoppert a m\u00e9r\u00e9s sor\u00e1n.<\/span><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">A tansz\u00e9ki l\u00e1ngterjed\u00e9si sebess\u00e9g m\u00e9r\u0151 berendez\u00e9s elvi fel\u00e9p\u00edt\u00e9se a 1. \u00e1br\u00e1n l\u00e1that\u00f3.<\/span><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">\u00a0<\/span>\n<div style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400; text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/labor.energia.bme.hu\/wp-content\/uploads\/2024\/03\/bmelab_37_01.jpg\" alt=\"bmelab_37_01.jpg\" width=\"497\" height=\"328\" \/><\/div>\n<br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">\u00a0<\/span>\n<p style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\" align=\"center\">1.\u00e1bra &#8211; A tansz\u00e9ki l\u00e1ngterjed\u00e9si sebess\u00e9g m\u00e9r\u0151 berendez\u00e9s elvi fel\u00e9p\u00edt\u00e9se<\/p>\n<p style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\" align=\"left\">1 &#8211; Nyom\u00e1sszab\u00e1lyz\u00f3\n2 &#8211; G\u00e1z\u00f3ra (leveg\u0151)\n3 &#8211; G\u00e1z\u00f3ra (f\u00f6ldg\u00e1z)\n4 &#8211; Nyom\u00e1sk\u00fcl\u00f6nbs\u00e9g m\u00e9r\u0151\n5 &#8211; M\u00e1gnes szelep\n6 &#8211; Furatt\u00e1rcs\u00e1s \u00e1raml\u00e1s szab\u00e1lyz\u00f3\n7 &#8211; Kever\u0151t\u00e9r\n8 &#8211; Vissza\u00e9g\u00e9s g\u00e1tl\u00f3 \/ kontrol\u00e9g\u0151\n9 &#8211; Gy\u00fajt\u00f3l\u00e1ng\n10 &#8211; Stopper\n11 &#8211; Jelfeldolgoz\u00f3 \u00e9s stopper vez\u00e9rl\u0151\n12 &#8211; Lefuvat\u00f3 szelep\n13 &#8211; Nyom\u00e1s ellen\u00f6rz\u0151 &#8222;U&#8221; cs\u0151\n14 &#8211; Gy\u00fajt\u00f3elektr\u00f3da\n15 &#8211; L\u00e1ngcs\u0151\n16 &#8211; L\u00e1ngfont \u00e9rz\u00e9kel\u0151 ioniz\u00e1ci\u00f3s detektor\n17 &#8211; T\u00f6lt\u00e9s kapcsol\u00f3<\/p><\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-tab-title elementor-tab-mobile-title\" aria-selected=\"false\" data-tab=\"3\" role=\"tab\" tabindex=\"-1\" aria-controls=\"elementor-tab-content-6523\" aria-expanded=\"false\">L\u00c1NGSPEKTROSZK\u00d3P<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-6523\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"tabpanel\" aria-labelledby=\"elementor-tab-title-6523\" tabindex=\"0\" hidden=\"hidden\"><h1 style=\"color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; font-style: normal;\">A l\u00e1ng spektroszk\u00f3piai berendez\u00e9s<\/h1>\n<span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">A BME Energetikai G\u00e9pek \u00e9s Rendszerek Tansz\u00e9k az OpLab Kft-t b\u00edzta meg a l\u00e1ngok spektroszk\u00f3piai analiz\u00e1l\u00e1s\u00e1ra alkalmas spektrofotom\u00e9ter megtervez\u00e9s\u00e9vel \u00e9s kivitelez\u00e9s\u00e9vel.<\/span><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">A l\u00e1ngokban lezajl\u00f3 reakci\u00f3k, k\u00fcl\u00f6nb\u00f6z\u0151 r\u00f6vid\u00e9let\u0171 gy\u00f6k\u00f6k illetve \u00e9g\u00e9sterm\u00e9kek k\u00e9pz\u0151d\u00e9s\u00e9t a l\u00e1ngsug\u00e1rz\u00e1s spektr\u00e1lis \u00f6sszet\u00e9tel\u00e9nek m\u00e9r\u00e9s\u00e9vel, illetve a spektr\u00e1lis eloszl\u00e1s id\u0151beli v\u00e1ltoz\u00e1s\u00e1nak k\u00f6vet\u00e9s\u00e9vel hat\u00e1rozzuk meg. Meghat\u00e1rozhat\u00f3, hogy a l\u00e1ngnak (t\u0171zt\u00e9rnek) bizonyos t\u00e9rfogat\u00e1ban milyen gy\u00f6k\u00f6k, \u00e9g\u00e9sterm\u00e9kek keletkeznek, ezzel a l\u00e1ng egyes r\u00e9szeiben lej\u00e1tsz\u00f3d\u00f3 reakci\u00f3k meghat\u00e1rozhat\u00f3k. \u00cdgy lehet\u0151s\u00e9g ny\u00edlik k\u00fcl\u00f6nb\u00f6z\u0151 \u00f6sszet\u00e9tel\u0171 t\u00fczel\u0151anyagok \u00e9g\u00e9si folyamatainak \u00f6sszehasonl\u00edt\u00e1s\u00e1ra.<\/span><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">Alapvet\u0151en OH, CH, C2, HCO gy\u00f6k\u00f6k valamint CO, CO2 \u00e9s NO \u00e9g\u00e9sterm\u00e9kek kemiluminescens vizsg\u00e1lata a c\u00e9l. A spektrofotom\u00e9ter cser\u00e9lhet\u0151 r\u00e1csainak seg\u00edts\u00e9g\u00e9vel ezen komponensek emisszi\u00f3s spektruma felvehet\u0151.<\/span><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/>\n<h4 style=\"color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal;\">L\u00e1ng spektrofotom\u00e9ter fel\u00e9p\u00edt\u00e9se:<\/h4>\n<span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">\u00a0<\/span>\n<div style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400; text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/labor.energia.bme.hu\/wp-content\/uploads\/2024\/03\/bmelab_38_01.jpg\" alt=\"bmelab_38_01.jpg\" width=\"509\" height=\"268\" \/><\/div>\n&nbsp;\n<div style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\" align=\"center\">1.\u00e1bra: a l\u00e1ng spektrofotom\u00e9ter blokkv\u00e1zlata (kamera \u00fczemm\u00f3dban)<\/div>\n&nbsp;\n<h3 style=\"color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; font-style: normal;\">A l\u00e1ng spektrofotom\u00e9ter elemei:<\/h3>\n<h4 style=\"color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal;\">C\u00e9lz\u00f3 kamera a hozz\u00e1 tartoz\u00f3 optik\u00e1val, mechanik\u00e1val \u00e9s elektronik\u00e1val:<\/h4>\n<span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">Az egys\u00e9g egy USB-re csatlakoztathat\u00f3 panelkamer\u00e1b\u00f3l, a m\u00e9r\u0151 optikai \u00fatb\u00f3l kiforgathat\u00f3 speci\u00e1lis lek\u00e9pz\u0151 optik\u00e1b\u00f3l \u00e9s az azt mozgat\u00f3 l\u00e9ptet\u0151motorb\u00f3l \u00e1ll.<\/span><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">A m\u00e9r\u0151 kvarc optika \u00e9s a forgathat\u00f3 lek\u00e9pz\u0151 optika egy\u00fcttesen alkotja a kamera objekt\u00edv\u00e9t, amely egy m\u00e9ter t\u00e1vols\u00e1gb\u00f3l 10 cm \u00e1tm\u00e9r\u0151j\u0171 t\u00e1rgyat k\u00e9pez le \u00bc colos \u00e9rz\u00e9kel\u0151re. Nagyobb \u00e9rz\u00e9kel\u0151 eset\u00e9n ar\u00e1nyosan nagyobb fel\u00fcletet k\u00e9pez le.<\/span>\n<h4 style=\"color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal;\">M\u00e9r\u0151 optikai rendszer:<\/h4>\n<span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">A kvarc objekt\u00edv 1 m\u00e9ter t\u00e1vols\u00e1gb\u00f3l a l\u00e1ng 1 cm \u00e1tm\u00e9r\u0151j\u0171 fel\u00fclet\u00e9t k\u00e9pezi le a kvarc sz\u00e1loptika 0,5 mm \u00e1tm\u00e9r\u0151j\u0171 bemen\u0151 fel\u00fclet\u00e9re. A sz\u00e1loptika m\u00e1sik v\u00e9ge \u00fagy van kialak\u00edtva, hogy az egy vonalba rendezett 50 mm \u00e1tm\u00e9r\u0151j\u0171 sz\u00e1lak egy\u00fattal a polikrom\u00e1tor bel\u00e9p\u0151 r\u00e9s\u00e9t k\u00e9pezik.<\/span>\n<h4 style=\"color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal;\">Polikrom\u00e1tor egys\u00e9g:<\/h4>\n<span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">A holografikus konk\u00e1v lencse k\u00e9pezi le az 50 mm sz\u00e9les r\u00e9st a 25,4 mm hossz\u00fas\u00e1g\u00fa 1024 pixeles NMOS di\u00f3dasorra. Az alkalmazhat\u00f3 r\u00e1csok: 200-500 nm, 270-570 nm, 340-840 nm. A r\u00e1cs cser\u00e9je eset\u00e9n a ki\u00e9rt\u00e9kel\u0151 SW azonos\u00edt\u00e1sra szolg\u00e1l\u00f3 k\u00f6nyvt\u00e1r\u00e1t is cser\u00e9lni kell.<\/span>\n<h4 style=\"color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal;\">Elektronika:<\/h4>\n<span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">A di\u00f3dasor anal\u00f3g jel\u00e9t kondicion\u00e1l\u00e1s ut\u00e1n 16 bites AD \u00e1talak\u00edt\u00f3 digitaliz\u00e1lja. A m\u00e9r\u00e9si adatok \u00e1tmeneti t\u00e1rol\u00e1s ut\u00e1n az USB-n kereszt\u00fcl tov\u00e1bb\u00edt\u00f3dnak a PC-be. A vez\u00e9rl\u00e9si \u00e9s kommunik\u00e1ci\u00f3s feladatokat a mikrokontroller v\u00e9gzi. A kamera \u00e9s a m\u00e9r\u0151rendszer USB fel\u00fcleteit a k\u00e9tportos USB HUB helyettes\u00edti, ily m\u00f3don csak egyetlen USB k\u00e1belre van sz\u00fcks\u00e9g.<\/span>\n<h4 style=\"color: #000000; font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal;\">PC SW:<\/h4>\n<br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">A PC-n fut\u00f3 program feladata a m\u0171szer USB-n kereszt\u00fcl t\u00f6rt\u00e9n\u0151 vez\u00e9rl\u00e9se, valamint a m\u00e9rt spektrumok megjelen\u00edt\u00e9se \u00e9s ki\u00e9rt\u00e9kel\u00e9se. A program lehet\u0151v\u00e9 tesz az azonos\u00edt\u00e1sra szolg\u00e1l\u00f3 spektrumk\u00f6nyvt\u00e1rak felv\u00e9tel\u00e9t \u00e9s kalibr\u00e1ci\u00f3s f\u00fcggv\u00e9nyek kialak\u00edt\u00e1s\u00e1t, valamint a m\u00e9rt adatok MS EXCEL-be tov\u00e1bb\u00edt\u00e1s\u00e1t.<\/span><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><br style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px;\" \/><span style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400;\">\u00a0<\/span>\n<div style=\"font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 14px; font-style: normal; font-weight: 400; text-align: center;\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/labor.energia.bme.hu\/wp-content\/uploads\/2024\/03\/bmelab_38_02.jpg\" alt=\"bmelab_38_02.jpg\" width=\"497\" height=\"342\" \/><\/div><\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f4181ee elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f4181ee\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-fa70fa1\" data-id=\"fa70fa1\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>SCHLIEREN L\u00c1NGCS\u0150 L\u00c1NGSPEKTROSZK\u00d3P SCHLIEREN Schlieren A Schlieren jelens\u00e9g A &#8222;Schlieren\u201d jelens\u00e9g alatt optikai inhomogenit\u00e1sokon \u00e1thalad\u00f3 f\u00e9nysugarak ir\u00e1nyv\u00e1ltoz\u00e1s\u00e1t \u00e9rtj\u00fck. Az optikai inhomogenit\u00e1s \u00f6nmag\u00e1ban t\u00e1g fogalom, kialakulhat szil\u00e1rd testekn\u00e9l pl.: fel\u00fcleti egyenetlens\u00e9geknek k\u00f6sz\u00f6nheto&#8221;en, vagy g\u00e1znem\u0171 k\u00f6zegekn\u00e9l pl.: a s\u0171r\u0171s\u00e9g rohamos v\u00e1ltoz\u00e1sa eset\u00e9n. Az optikai inhomogenit\u00e1sokban k\u00f6z\u00f6s, hogy a rajtuk val\u00f3 \u00e1thalad\u00e1s sor\u00e1n a f\u00e9nysugarak elt\u00e9r\u00fclnek: k\u00e9ptorzul\u00e1s alakul [&hellip;]<\/p>","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"full-width-container","site-content-style":"unboxed","site-sidebar-style":"unboxed","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","theme-transparent-header-meta":"enabled","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"trp-custom-language-flag":false},"uagb_author_info":{"display_name":"SzabadosGy","author_link":"https:\/\/labor.energia.bme.hu\/en\/author\/szabadosgy\/"},"uagb_comment_info":0,"uagb_excerpt":"SCHLIEREN L\u00c1NGCS\u0150 L\u00c1NGSPEKTROSZK\u00d3P SCHLIEREN Schlieren A Schlieren jelens\u00e9g A &#8222;Schlieren\u201d jelens\u00e9g alatt optikai inhomogenit\u00e1sokon \u00e1thalad\u00f3 f\u00e9nysugarak ir\u00e1nyv\u00e1ltoz\u00e1s\u00e1t \u00e9rtj\u00fck. 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