{"id":57391,"date":"2026-04-07T08:50:43","date_gmt":"2026-04-07T06:50:43","guid":{"rendered":"https:\/\/www.nae.fr\/2026\/04\/07\/analysis-of-stabilization-structure-and-emissions-of-hydrogen-air-flames-on-a-coaxial-injector-for-aircraft-propulsion\/"},"modified":"2026-04-07T08:50:43","modified_gmt":"2026-04-07T06:50:43","slug":"analysis-of-stabilization-structure-and-emissions-of-hydrogen-air-flames-on-a-coaxial-injector-for-aircraft-propulsion","status":"publish","type":"post","link":"https:\/\/www.nae.fr\/en\/2026\/04\/07\/analysis-of-stabilization-structure-and-emissions-of-hydrogen-air-flames-on-a-coaxial-injector-for-aircraft-propulsion\/","title":{"rendered":"Analysis of stabilization, structure and emissions of hydrogen-air flames on a coaxial injector for aircraft propulsion"},"content":{"rendered":"<blockquote>\n<div class=\"info-article\">\n<div class=\"title-hat pl-0\">\n<div class=\"info-article\">\n<div class=\"title-hat pl-0\">\n<div class=\"row mx-0\">\n<div class=\"info-article\">\n<div class=\"title-hat pl-0\">\n<div class=\"info-article\">\n<div class=\"title-hat pl-0\">\n<div class=\"info-article\">\n<div class=\"title-hat pl-0\">\n<div class=\"info-article\">\n<div class=\"title-hat pl-0\">\n<div class=\"ExpressionSummary svelte-ccn03w\">\n<div class=\"row mx-0\">\n<div class=\"chapo\">\n<div class=\"mb-4\">\n<div class=\"chapo\">\n<p class=\"accroche selectionShareable\">Due to the rising challenge of climate change, more and more industries are looking for ways to decarbonize their activities. The aeronautical industry is no different, and hydrogen-fuelled engines, among others, appear as a solution to reduce the carbon footprint of commercial flights. Hydrogen is absolutely carbon-free, producing only water vapor when burned, and contains the most energy per kilogram of any fuel, making it the ideal clean fuel at first glance. However, using a hydrogen as a fuel is a challenge in many ways. In addition to being difficult to store, the combustion properties of hydrogen are unique: it is extremely flammable and burns hotter than most other fuels. This in turn causes two main issues when burning it in an engine: safety, as hydrogen can ignite in zones where combustion is unwanted, and pollution, as hotter flames can lead to production of nitrogen oxides (NOx). This work focuses on this second issue by studying a novel injection mode on swirled coaxial injectors.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/blockquote>\n<div class=\"info-article\">\n<div class=\"title-hat pl-0\">\n<div class=\"info-article\">\n<div class=\"title-hat pl-0\">\n<div class=\"row mx-0\">\n<div class=\"info-article\">\n<div class=\"title-hat pl-0\">\n<div class=\"info-article\">\n<div class=\"title-hat pl-0\">\n<div class=\"info-article\">\n<div class=\"title-hat pl-0\">\n<div class=\"info-article\">\n<div class=\"title-hat pl-0\">\n\nPour en savoir plus : <a href=\"https:\/\/theses.hal.science\/tel-05567548v1\" target=\"_blank\" rel=\"noopener\">Analysis of stabilization, structure and emissions of hydrogen-air flames on a coaxial injector for aircraft propulsion<\/a>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Due to the rising challenge of climate change, more and more industries are looking for ways to decarbonize their activities. The aeronautical industry is no different, and hydrogen-fuelled engines, among others, appear as a solution to reduce the carbon footprint of commercial flights. Hydrogen is absolutely carbon-free, producing only water vapor when burned, and contains [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":54411,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[20,16],"tags":[35],"class_list":["post-57391","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualite-aeronautique","category-rti","tag-actualites"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Analysis of stabilization, structure and emissions of hydrogen-air flames on a coaxial injector for aircraft propulsion - NAE<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.nae.fr\/en\/2026\/04\/07\/analysis-of-stabilization-structure-and-emissions-of-hydrogen-air-flames-on-a-coaxial-injector-for-aircraft-propulsion\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Analysis of stabilization, structure and emissions of hydrogen-air flames on a coaxial injector for aircraft propulsion - NAE\" \/>\n<meta property=\"og:description\" content=\"Due to the rising challenge of climate change, more and more industries are looking for ways to decarbonize their activities. The aeronautical industry is no different, and hydrogen-fuelled engines, among others, appear as a solution to reduce the carbon footprint of commercial flights. Hydrogen is absolutely carbon-free, producing only water vapor when burned, and contains [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.nae.fr\/en\/2026\/04\/07\/analysis-of-stabilization-structure-and-emissions-of-hydrogen-air-flames-on-a-coaxial-injector-for-aircraft-propulsion\/\" \/>\n<meta property=\"og:site_name\" content=\"NAE\" \/>\n<meta property=\"article:published_time\" content=\"2026-04-07T06:50:43+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.nae.fr\/wp-content\/uploads\/2026\/06\/tel.logo_.fr_.png\" \/>\n\t<meta property=\"og:image:width\" content=\"695\" \/>\n\t<meta property=\"og:image:height\" content=\"300\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"adminwa\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"adminwa\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.nae.fr\\\/2026\\\/04\\\/07\\\/analysis-of-stabilization-structure-and-emissions-of-hydrogen-air-flames-on-a-coaxial-injector-for-aircraft-propulsion\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.nae.fr\\\/2026\\\/04\\\/07\\\/analysis-of-stabilization-structure-and-emissions-of-hydrogen-air-flames-on-a-coaxial-injector-for-aircraft-propulsion\\\/\"},\"author\":{\"name\":\"adminwa\",\"@id\":\"https:\\\/\\\/www.nae.fr\\\/#\\\/schema\\\/person\\\/3d658e930f01449b7195ce4a78fcfc1e\"},\"headline\":\"Analysis of stabilization, structure and emissions of hydrogen-air flames on a coaxial injector for aircraft propulsion\",\"datePublished\":\"2026-04-07T06:50:43+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.nae.fr\\\/2026\\\/04\\\/07\\\/analysis-of-stabilization-structure-and-emissions-of-hydrogen-air-flames-on-a-coaxial-injector-for-aircraft-propulsion\\\/\"},\"wordCount\":200,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.nae.fr\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.nae.fr\\\/2026\\\/04\\\/07\\\/analysis-of-stabilization-structure-and-emissions-of-hydrogen-air-flames-on-a-coaxial-injector-for-aircraft-propulsion\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.nae.fr\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/tel.logo_.fr_.png\",\"keywords\":[\"Actualit\u00e9s\"],\"articleSection\":[\"Actualit\u00e9 A\u00e9ronautique\",\"RTI\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.nae.fr\\\/2026\\\/04\\\/07\\\/analysis-of-stabilization-structure-and-emissions-of-hydrogen-air-flames-on-a-coaxial-injector-for-aircraft-propulsion\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.nae.fr\\\/2026\\\/04\\\/07\\\/analysis-of-stabilization-structure-and-emissions-of-hydrogen-air-flames-on-a-coaxial-injector-for-aircraft-propulsion\\\/\",\"url\":\"https:\\\/\\\/www.nae.fr\\\/2026\\\/04\\\/07\\\/analysis-of-stabilization-structure-and-emissions-of-hydrogen-air-flames-on-a-coaxial-injector-for-aircraft-propulsion\\\/\",\"name\":\"Analysis of stabilization, structure and emissions of hydrogen-air flames on a coaxial injector for aircraft propulsion - 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