{"id":2378,"date":"2021-08-10T14:33:29","date_gmt":"2021-08-10T06:33:29","guid":{"rendered":"https:\/\/orisys.hkust.edu.hk\/?p=2378"},"modified":"2021-11-25T13:13:26","modified_gmt":"2021-11-25T05:13:26","slug":"a-paper-about-ultralight-metamaterial-for-sound-absorption-based-on-miura-ori-tessellation-structures-is-published","status":"publish","type":"post","link":"https:\/\/orisys.hkust.edu.hk\/?p=2378","title":{"rendered":"Paper &#8221;Ultralight Metamaterial for Sound Absorption &#8221; is published !"},"content":{"rendered":"<p>[vc_section][vc_row][vc_column][vc_column_text]<\/p>\n<h3 style=\"text-align: left;\">Herein, electrospinning and paper folding (i.e., origami) techniques are integrated to fabricate a novel ultralight metamaterial for sound absorption based on Miura-ori tessellation structure, which exists at an extremely low mass density of only 10.64\u2009mg\u2009cm<sup>\u22123<\/sup>. Sound absorption tests using an impedance tube demonstrate a significant improvement of sound absorption coefficient and the shift of first resonance absorption frequency to the lower band compared with the plane membrane.<\/h3>\n<h3 style=\"text-align: left;\">Further, the effect on sound absorption performance from three important parameters\u00a0<i>\u03b3<\/i>,\u00a0<i>\u03b8<\/i>, and\u00a0<i>a<\/i>\u00a0that dominate the shape of Miura-ori are investigated and understood through the membrane vibration mechanism and Johnson\u2013Alard hard frame model.<\/h3>\n<h3 style=\"text-align: left;\">Meanwhile, to achieve good sound absorption in a broad frequency range, a stacked structure with the double-cavity-double-sandwich model is created, which presents a superior broadband sound absorption and ideal sound absorption in a specific frequency range.<\/h3>\n<p>More information:<\/p>\n<p>Published website link: https:\/\/onlinelibrary.wiley.com\/doi\/full\/10.1002\/adem.202100563[\/vc_column_text][\/vc_column][\/vc_row][\/vc_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[vc_section][vc_row][vc_column][vc_column_text] Herein, electrospinning and paper folding (i.e., origami) techniques are integrated to fabricate a novel ultralight metamaterial for sound absorption based on Miura-ori tessellation structure, which exists at an extremely low mass density of only 10.64\u2009mg\u2009cm\u22123. Sound absorption tests using an impedance tube demonstrate a significant improvement of sound absorption coefficient and the shift of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2379,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[2],"tags":[],"_links":{"self":[{"href":"https:\/\/orisys.hkust.edu.hk\/index.php?rest_route=\/wp\/v2\/posts\/2378"}],"collection":[{"href":"https:\/\/orisys.hkust.edu.hk\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/orisys.hkust.edu.hk\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/orisys.hkust.edu.hk\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/orisys.hkust.edu.hk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2378"}],"version-history":[{"count":4,"href":"https:\/\/orisys.hkust.edu.hk\/index.php?rest_route=\/wp\/v2\/posts\/2378\/revisions"}],"predecessor-version":[{"id":2456,"href":"https:\/\/orisys.hkust.edu.hk\/index.php?rest_route=\/wp\/v2\/posts\/2378\/revisions\/2456"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/orisys.hkust.edu.hk\/index.php?rest_route=\/wp\/v2\/media\/2379"}],"wp:attachment":[{"href":"https:\/\/orisys.hkust.edu.hk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2378"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/orisys.hkust.edu.hk\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2378"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/orisys.hkust.edu.hk\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2378"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}