{"id":22702,"date":"2025-10-22T15:40:09","date_gmt":"2025-10-22T15:40:09","guid":{"rendered":"https:\/\/aerospacerepository.org\/?p=22702"},"modified":"2025-10-22T15:40:10","modified_gmt":"2025-10-22T15:40:10","slug":"investigation-of-flameholding-limits-and-mechanisms-in-a-cavity-flameholder-under-supersonic-flow","status":"publish","type":"post","link":"https:\/\/aerospacerepository.org\/index.php\/2025\/10\/22\/investigation-of-flameholding-limits-and-mechanisms-in-a-cavity-flameholder-under-supersonic-flow\/","title":{"rendered":"Investigation of Flameholding Limits and Mechanisms in a Cavity Flameholder under Supersonic Flow"},"content":{"rendered":"\n<p><strong>Yu-Tang HUANG, Yao-Chen KANG, Zhong-Xuan HE, Tony YUAN, Szu-I YEH<\/strong><\/p>\n\n\n\n<p><strong>DOI Number: N\/A<\/strong><\/p>\n\n\n\n<p><strong>Conference number: HiSST-2025-214<\/strong><\/p>\n\n\n\n<p>This study experimentally investigates fuel injection, atomization, mixing, and flameholding mechanisms in a supersonic cavity combustor, focusing on the influence of fuel mass flow rate on flame stability. Cold-flow and hot-ignition experiments were conducted with integrated flow visualization and pressure measurements to examine the relationship between cavity flow structures and combustion behaviour. In the cold-flow experiments, schlieren imaging revealed that at a mass flow rate of 3 g\/s, the injected fuel is effectively entrained into the recirculation zone, achieving sufficient mixing, whereas at 4.5 g\/s and 6 g\/s, significant fuel retention within the shear layer reduces atomization efficiency and<br>results in locally fuel-rich conditions. Under hot-ignition conditions, stable flameholding was observed at 3 g\/s, while higher flow rates led to fuel accumulation and unstable combustion. These findings demonstrate the strong correlation between fuel mass flow rate, atomization efficiency, shear-layer dynamics, and flameholding stability, offering experimental insights into flame stabilization mechanisms for future supersonic combustor design.<\/p>\n\n\n\n<p><a href=\"https:\/\/aerospacerepository.org\/wp-content\/uploads\/2025\/10\/HISST2025_214_paper.pdf\">Read the full paper here<\/a><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Yu-Tang HUANG, Yao-Chen KANG, Zhong-Xuan HE, Tony YUAN, Szu-I YEH<\/b><\/p>\n<p>DOI Number: N\/A<\/p>\n<p>Conference number: HiSST-2025-214<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[993,3361,3363],"tags":[3554,713,3555,856],"class_list":["post-22702","post","type-post","status-publish","format-standard","hentry","category-events","category-1-hisst-2025","category-propulsion-systems-components","tag-cavity-flame-holder","tag-ignition","tag-recirculation-zone","tag-supersonic-combustor","category-993","category-3361","category-3363","description-off"],"_links":{"self":[{"href":"https:\/\/aerospacerepository.org\/index.php\/wp-json\/wp\/v2\/posts\/22702","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\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/aerospacerepository.org\/index.php\/wp-json\/wp\/v2\/comments?post=22702"}],"version-history":[{"count":1,"href":"https:\/\/aerospacerepository.org\/index.php\/wp-json\/wp\/v2\/posts\/22702\/revisions"}],"predecessor-version":[{"id":22704,"href":"https:\/\/aerospacerepository.org\/index.php\/wp-json\/wp\/v2\/posts\/22702\/revisions\/22704"}],"wp:attachment":[{"href":"https:\/\/aerospacerepository.org\/index.php\/wp-json\/wp\/v2\/media?parent=22702"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aerospacerepository.org\/index.php\/wp-json\/wp\/v2\/categories?post=22702"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aerospacerepository.org\/index.php\/wp-json\/wp\/v2\/tags?post=22702"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}