{"id":13559,"date":"2023-10-26T19:28:40","date_gmt":"2023-10-26T19:28:40","guid":{"rendered":"https:\/\/aerospacerepository.org\/?p=13559"},"modified":"2024-05-03T14:01:33","modified_gmt":"2024-05-03T14:01:33","slug":"temperature-measurements-in-a-carbon-dioxide-flow-using-laser-induced-fluorescence","status":"publish","type":"post","link":"https:\/\/aerospacerepository.org\/index.php\/2023\/10\/26\/temperature-measurements-in-a-carbon-dioxide-flow-using-laser-induced-fluorescence\/","title":{"rendered":"Temperature Measurements in a Carbon Dioxide Flow using Laser-Induced Fluorescence"},"content":{"rendered":"\n<p><strong>Tobias Sander&nbsp; , Marco Kirschner&nbsp; , Adrian S. Pudsey , Christian Mundt<\/strong><\/p>\n\n\n\n<p><strong>DOI Numer XXX-YYY-ZZZ<\/strong><\/p>\n\n\n\n<p><strong>Conference Number HiSST 2018_38401106<\/strong><\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Growing interest in the investigation of the Martian atmosphere requires ground-based test facilities, which are able to simulate the thermochemical flow conditions prevailing during entry. At the Institute of Thermodynamics at the Bundeswehr University Munich an arc-heated plasma wind tunnel can provide steady-state, high-enthalpy flows. Being equipped with a high efficiency vacuum pump and being operable with CO2 as the test gas, realistic entry conditions into Martian atmosphere can be provided. For the thermometry of the high-temperature flow, non-intrusive, optical test methods are well suited. In the present work, the high-temperature flow with an enthalpy of 3.1 MJ\/kg and 3.8 MJ\/kg is investigated with a two-photon excitation process of CO molecules. For the excitation of the Q-branch of the \ud835\udc35 1\u03a3 + \u2190 \ud835\udc4b 1\u03a3 +(0,0) transition, the laser is tuned from 230.05 nm to 230.11 nm. Simulated spectra were calculated in advance with a simulation tool called NOCO-Spectra. The rotational temperature of CO in a high-temperature flow is evaluated by a correlation automated rotational fitting method (CARF).<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><a href=\"https:\/\/aerospacerepository.org\/wp-content\/uploads\/2023\/10\/hisst-2018_38401106.pdf\" data-type=\"link\" data-id=\"https:\/\/aerospacerepository.org\/wp-content\/uploads\/2023\/10\/hisst-2018_38401106.pdf\">Read the full paper &gt; <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Tobias Sander\u00a0 , Marco Kirschner\u00a0 , Adrian S. Pudsey , Christian Mundt<\/b><\/p>\n<p>DOI Numer XXX-YYY-ZZZ<\/p>\n<p>Conference Number HiSST 2018_38401106<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[994,198,366,236,1003],"tags":[920,919,434,921],"class_list":["post-13559","post","type-post","status-publish","format-standard","hentry","category-hisst-2018","category-hypersonic-aerodynamics","category-spacecraft-design-manufacturing","category-supersonic-and-hypersonic-aircraft-design","category-thermal-and-energy-management-systems","tag-arc-heated-plasma-wind-tunnel","tag-carbon-dioxide","tag-hisst-2018","tag-laser-induced-fluorescence","category-994","category-198","category-366","category-236","category-1003","description-off"],"_links":{"self":[{"href":"https:\/\/aerospacerepository.org\/index.php\/wp-json\/wp\/v2\/posts\/13559","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aerospacerepository.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aerospacerepository.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aerospacerepository.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aerospacerepository.org\/index.php\/wp-json\/wp\/v2\/comments?post=13559"}],"version-history":[{"count":3,"href":"https:\/\/aerospacerepository.org\/index.php\/wp-json\/wp\/v2\/posts\/13559\/revisions"}],"predecessor-version":[{"id":16521,"href":"https:\/\/aerospacerepository.org\/index.php\/wp-json\/wp\/v2\/posts\/13559\/revisions\/16521"}],"wp:attachment":[{"href":"https:\/\/aerospacerepository.org\/index.php\/wp-json\/wp\/v2\/media?parent=13559"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aerospacerepository.org\/index.php\/wp-json\/wp\/v2\/categories?post=13559"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aerospacerepository.org\/index.php\/wp-json\/wp\/v2\/tags?post=13559"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}