Optimiser la g\u00e9om\u00e9trie d’une pale de turbomachine et la rendre moins bruyante peut s’av\u00e9rer d\u00e9licat dans des situations industrielles o\u00f9 le niveau acoustique devient un crit\u00e8re de qualit\u00e9 et de s\u00e9lection. Cette \u00e9tude porte sur le d\u00e9veloppement d’un outil d’analyse et d’identification des sources acoustiques (les structures coh\u00e9rentes) sur une surface en mouvement. L’approche acoustique est bas\u00e9e sur l’analogie de FW&H (Ffowcs-Williams & Hawkings)\u00a0 et la technique de la POD (Proper Orthogonal Decomposition).<\/p>\n","protected":false},"excerpt":{"rendered":"
Optimiser la g\u00e9om\u00e9trie d’une pale de turbomachine et la rendre moins bruyante peut s’av\u00e9rer d\u00e9licat dans des situations industrielles o\u00f9 le niveau acoustique devient un crit\u00e8re de qualit\u00e9 et de s\u00e9lection. Cette \u00e9tude porte sur le d\u00e9veloppement d’un outil d’analyse et d’identification des sources acoustiques (les structures coh\u00e9rentes) sur une surface en mouvement. L’approche acoustique est bas\u00e9e sur l’analogie de FW&H (Ffowcs-Williams & Hawkings) et la technique de la POD (Proper Orthogonal Decomposition).<\/p>\n[En savoir plus...]<\/a>","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10,11],"tags":[48,90,85,79,97,89,92,91,93,83,86,96,84,81,94,95,80,87,88,82],"class_list":["post-642","post","type-post","status-publish","format-standard","hentry","category-projets","category-projets-en-cours","tag-acoustique","tag-analogie","tag-analyse","tag-bruit","tag-decomposition","tag-ecoulement","tag-ffowcs-williams","tag-fwh","tag-hawkings","tag-identification","tag-mouvement","tag-orthogonal","tag-outil","tag-pale","tag-pod","tag-proper","tag-reduction","tag-rotation","tag-source","tag-turbomachine"],"_links":{"self":[{"href":"https:\/\/ema.recherche.usherbrooke.ca\/index.php?rest_route=\/wp\/v2\/posts\/642","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ema.recherche.usherbrooke.ca\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ema.recherche.usherbrooke.ca\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ema.recherche.usherbrooke.ca\/index.php?rest_route=\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/ema.recherche.usherbrooke.ca\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=642"}],"version-history":[{"count":1,"href":"https:\/\/ema.recherche.usherbrooke.ca\/index.php?rest_route=\/wp\/v2\/posts\/642\/revisions"}],"predecessor-version":[{"id":644,"href":"https:\/\/ema.recherche.usherbrooke.ca\/index.php?rest_route=\/wp\/v2\/posts\/642\/revisions\/644"}],"wp:attachment":[{"href":"https:\/\/ema.recherche.usherbrooke.ca\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=642"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ema.recherche.usherbrooke.ca\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=642"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ema.recherche.usherbrooke.ca\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=642"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}