{"id":16125,"date":"2024-04-12T10:00:47","date_gmt":"2024-04-12T10:00:47","guid":{"rendered":"https:\/\/aerospacerepository.org\/?p=16125"},"modified":"2024-04-12T10:00:47","modified_gmt":"2024-04-12T10:00:47","slug":"experimental-boundary-layer-investigation-of-a-stacked-transpiration-cooling-setup-with-uniform-blowing-ratio","status":"publish","type":"post","link":"https:\/\/aerospacerepository.org\/index.php\/2024\/04\/12\/experimental-boundary-layer-investigation-of-a-stacked-transpiration-cooling-setup-with-uniform-blowing-ratio\/","title":{"rendered":"Experimental Boundary Layer Investigation of a Stacked Transpiration Cooling Setup with Uniform Blowing Ratio"},"content":{"rendered":"\n<p><strong>Andreas Schwab, Jonas Peichl, Markus Selzer, Hannah B\u00f6hrk, Jens von Wolfersdorf<\/strong><\/p>\n\n\n\n<p><strong>DOI Number XXX-YYY-ZZZ<\/strong><\/p>\n\n\n\n<p><strong>Conference Number HiSST-2022-78<\/strong><\/p>\n\n\n\n<p>Transpiration cooling is considered as an innovative cooling method meeting the demand for efficient<br>cooling of future rocket engine combustion chambers. In this context an experimental baseline study<br>with a stacked transpiration cooled setup of four aligned ceramic fiber reinforced carbon (C\/C) samples<br>is investigated in hot gas conditions of THG \u2248 374.15 K and ReDh \u2248 200.000 with a transpiring coolant<br>blowing ratio of F = 0 \u2212 4% of air. Hereby, the focus is on the investigation of the boundary layer<br>situation based on the measurement of velocity and temperature profiles with a measurement rake<br>comprising a pitot tube and a thermocouple. A determination of the friction coefficient cf as well as the<br>Stanton number St is discussed and implemented for the no blowing and blowing cases. On the basis<br>of two test cases with different transpiration lengths and starting points of uniform transpiration cooling<br>a unifying illustration is aimed for the derived momentum and mass transfer parameters. Representations considering the momentum thickness Reynolds number Re\u03b42 and the enthalpy thickness Reynolds<br>number Re\u03b4h yielded good agreement.<\/p>\n\n\n\n<p><a href=\"https:\/\/aerospacerepository.org\/wp-content\/uploads\/2023\/10\/HiSST-2022-78.pdf\" data-type=\"link\" data-id=\"https:\/\/aerospacerepository.org\/wp-content\/uploads\/2023\/10\/HiSST-2022-78.pdf\">Read the full paper > <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Andreas Schwab, Jonas Peichl, Markus Selzer, Hannah B\u00f6hrk, Jens von Wolfersdorf<\/b><\/p>\n<p>DOI Number XXX-YYY-ZZZ<\/p>\n<p>Conference Number HiSST-2022-78<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[993,1008,1006],"tags":[1071,1072,1073,500,1070],"class_list":["post-16125","post","type-post","status-publish","format-standard","hentry","category-events","category-high-speed-aerodynamics-and-aerothermodynamics-hisst-2022","category-hisst-2022","tag-ceramic-composite-material","tag-friction-coefficient","tag-stanton-number","tag-transpiration-cooling","tag-turbulent-boundary-layers","category-993","category-1008","category-1006","description-off"],"_links":{"self":[{"href":"https:\/\/aerospacerepository.org\/index.php\/wp-json\/wp\/v2\/posts\/16125","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=16125"}],"version-history":[{"count":1,"href":"https:\/\/aerospacerepository.org\/index.php\/wp-json\/wp\/v2\/posts\/16125\/revisions"}],"predecessor-version":[{"id":16126,"href":"https:\/\/aerospacerepository.org\/index.php\/wp-json\/wp\/v2\/posts\/16125\/revisions\/16126"}],"wp:attachment":[{"href":"https:\/\/aerospacerepository.org\/index.php\/wp-json\/wp\/v2\/media?parent=16125"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aerospacerepository.org\/index.php\/wp-json\/wp\/v2\/categories?post=16125"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aerospacerepository.org\/index.php\/wp-json\/wp\/v2\/tags?post=16125"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}