{"id":378,"date":"2023-04-29T11:16:42","date_gmt":"2023-04-29T02:16:42","guid":{"rendered":"http:\/\/ec.me.tut.ac.jp\/?page_id=378"},"modified":"2025-05-31T21:54:57","modified_gmt":"2025-05-31T12:54:57","slug":"aeroacoustics","status":"publish","type":"page","link":"https:\/\/ec.me.tut.ac.jp\/en\/research\/aeroacoustics","title":{"rendered":"Aeroacoustics"},"content":{"rendered":"\n<p>Aerodynamic noise increases in proportional to the high power of velocity. So, the noise is a sever problem for high-speed transport vehicles or flow-related machinery. For example, intense tonal sound radiates from a cavity flow and flow around a cascade of flat plates, where the feedback loop due to fluid-acoustic interactions occurs. To clarify the mechanism of acoustic radiation and establish the methodologies for noise reduction, we are performing wind tunnel experiments and aeroacoustic direct numerical simulation with an in-house code (AADNS). <\/p>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center has-small-font-size is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"504\" src=\"https:\/\/ec.me.tut.ac.jp\/wp\/wordpress\/wp-content\/uploads\/2023\/04\/cavitytone_control_en-1024x504.jpg\" alt=\"\" class=\"wp-image-500\" style=\"width:383px;height:188px\" srcset=\"https:\/\/ec.me.tut.ac.jp\/wp\/wordpress\/wp-content\/uploads\/2023\/04\/cavitytone_control_en-1024x504.jpg 1024w, https:\/\/ec.me.tut.ac.jp\/wp\/wordpress\/wp-content\/uploads\/2023\/04\/cavitytone_control_en-300x148.jpg 300w, https:\/\/ec.me.tut.ac.jp\/wp\/wordpress\/wp-content\/uploads\/2023\/04\/cavitytone_control_en-768x378.jpg 768w, https:\/\/ec.me.tut.ac.jp\/wp\/wordpress\/wp-content\/uploads\/2023\/04\/cavitytone_control_en-1536x755.jpg 1536w, https:\/\/ec.me.tut.ac.jp\/wp\/wordpress\/wp-content\/uploads\/2023\/04\/cavitytone_control_en-2048x1007.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Control of cavity tone with plasma actuator<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-video alignleft\"><video height=\"480\" style=\"aspect-ratio: 640 \/ 480;\" width=\"640\" controls loop src=\"https:\/\/ec.me.tut.ac.jp\/wp\/wordpress\/wp-content\/uploads\/2023\/04\/media1_fan.mp4\"><\/video><figcaption class=\"wp-element-caption\">Predicted flow field around an axial fan<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p><\/p>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-green-cyan-color\">Recent publications<\/mark><\/strong><\/p>\n\n\n<ul class=\"wp-block-latest-posts__list wp-block-latest-posts\"><li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/ec.me.tut.ac.jp\/en\/archives\/1068\">The 11th JSME-KSME Thermal and Fluids Engineering Conference<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/ec.me.tut.ac.jp\/en\/archives\/913\">Generation of aerodynamic sound around an expanding pipe with orifice plates, J. Fluid Sci. Tech.<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/ec.me.tut.ac.jp\/en\/archives\/826\">Control of Flow and Acoustic Fields Around an Axial Fan Utilizing Plasma Actuators, Trans. ASME, J. Fluids Eng.<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/ec.me.tut.ac.jp\/en\/archives\/691\">Fluid\u2013acoustic interactions around an expanding pipe with orifice plates, Physics of Fluids<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Aerodynamic noise increases in proportional to the high power of velocity. So, the noise is a sever problem for high-speed transport vehicles or flow-related machinery. For example, intense tonal sound radiates from a cavity flow and flow around a cascade of flat plates, where the feedback loop due to fluid-acoustic interactions occurs. To clarify the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":949,"parent":395,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_locale":"en_US","_original_post":"http:\/\/ec.me.tut.ac.jp\/wp\/?page_id=195","vkexunit_cta_each_option":"","footnotes":""},"class_list":["post-378","page","type-page","status-publish","has-post-thumbnail","hentry","en-US"],"_links":{"self":[{"href":"https:\/\/ec.me.tut.ac.jp\/wp-json\/wp\/v2\/pages\/378","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ec.me.tut.ac.jp\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/ec.me.tut.ac.jp\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/ec.me.tut.ac.jp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ec.me.tut.ac.jp\/wp-json\/wp\/v2\/comments?post=378"}],"version-history":[{"count":7,"href":"https:\/\/ec.me.tut.ac.jp\/wp-json\/wp\/v2\/pages\/378\/revisions"}],"predecessor-version":[{"id":984,"href":"https:\/\/ec.me.tut.ac.jp\/wp-json\/wp\/v2\/pages\/378\/revisions\/984"}],"up":[{"embeddable":true,"href":"https:\/\/ec.me.tut.ac.jp\/wp-json\/wp\/v2\/pages\/395"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ec.me.tut.ac.jp\/wp-json\/wp\/v2\/media\/949"}],"wp:attachment":[{"href":"https:\/\/ec.me.tut.ac.jp\/wp-json\/wp\/v2\/media?parent=378"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}