{"id":15668,"date":"2022-03-22T19:10:42","date_gmt":"2022-03-22T18:10:42","guid":{"rendered":"https:\/\/cienciagandia.webs.upv.es\/?p=15668"},"modified":"2022-03-22T19:10:45","modified_gmt":"2022-03-22T18:10:45","slug":"metamaterial-per-a-reduir-el-soroll-en-el-llancament-de-coets-espacials","status":"publish","type":"post","link":"https:\/\/cienciagandia.webs.upv.es\/ca\/2022\/03\/metamaterial-per-a-reduir-el-soroll-en-el-llancament-de-coets-espacials\/","title":{"rendered":"Metamaterial per a reduir el soroll en el llan\u00e7ament de coets espacials"},"content":{"rendered":"<p>Els <strong>elevats nivells de pressi\u00f3 ac\u00fastica experimentats pels coets espacials<\/strong> durant l&#8217;enlairament s\u00f3n deguts, entre altres factors, a la reflexi\u00f3 de les ones de so, generades pels motors que impulsen el coet, en la plataforma de llan\u00e7ament. El camp ac\u00fastic generat \u00e9s tan intens que provoca vibracions en el coet que poden produir desperfectes, tant en la c\u00e0rrega transportada, habitualment sat\u00e8l\u00b7lits, com en l&#8217;instrumental del coet. Per aquesta ra\u00f3, s&#8217;estudia l&#8217;\u00fas d&#8217;un <strong>metamaterial dissenyat per a absorbir quasi el 100% de l&#8217;energia ac\u00fastica incident<\/strong>.<\/p>\n<p>Personal investigador de la <a href=\"http:\/\/www.upv.es\/va\/\">Universitat Polit\u00e8cnica de Val\u00e8ncia (UPV)<\/a>, pertanyents al <a href=\"http:\/\/www.upv.es\/contenidos\/CGANDIA\/index-va.html\">Campus de Gandia,<\/a> a l&#8217;Institut d&#8217;Instrumentaci\u00f3 per a Imatge Molecular (i3M), a l&#8217;Institut Universitari de Matem\u00e0tica Pura i Aplicada i al Departament de Mitjans Continus i Teoria d&#8217;Estructures, treballen des de l&#8217;any 2019 en <strong>el projecte\u00a0Launch Sound Level Reduction<\/strong>, finan\u00e7at per l&#8217;Ag\u00e8ncia <strong>Espacial Europea<\/strong> (ESA).<\/p>\n<p>L&#8217;investigador del Campus de Gandia, <a href=\"http:\/\/www.upv.es\/pls\/oalu\/sic_person.Info?p_alias=victorsm&amp;P_IDIOMA=v\">V\u00edctor S\u00e1nchez<\/a>, expert en ac\u00fastica, lidera aquest projecte per part de la UPV, en el qual tamb\u00e9 participen la Universidad Polit\u00e9cnica de Madrid, Le Mans Universit\u00e9 i el Consell Superior d&#8217;Investigacions Cient\u00edfiques (CSIC), aix\u00ed com l&#8217;empresa valenciana COMET Enginyeria SL., que \u00e9s el contractista principal del projecte per a l&#8217;ESA.<\/p>\n<p>L&#8217;objecte principal del projecte, ha sigut \u201cel disseny, la fabricaci\u00f3 i la caracteritzaci\u00f3 d&#8217;un <strong>prototip de metamaterial ac\u00fastic capa\u00e7 d&#8217;absorbir gran part de l&#8217;energia ac\u00fastica en la base de llan\u00e7ament de coets<\/strong>\u201d, ha indicat <a href=\"http:\/\/www.upv.es\/pls\/oalu\/sic_person.info?PE=K5MRNhA8C7jb1JImvB6sNQD7uenbgeZYPoL0UxUllqxF5qfM5p60C3aFOtRc0p0ztuOg783uRXRW%2FP0lsgPW4cS0hOmumr88E84Io8VCuYlWjGPvbiFh2A%3D%3D&amp;P_IDIOMA=v&amp;P_VISTA=normal\">Rub\u00e9n Pic\u00f3<\/a>, investigador del Campus de Gandia.<\/p>\n<p><a href=\"http:\/\/www.upv.es\/pls\/oalu\/sic_person.Info?p_alias=joreple&amp;P_IDIOMA=v\">Jos\u00e9 Manuel Requena<\/a>, investigador del projecte, ha participat en el desenvolupament del prototip del metamaterial. \u201cPer al seu disseny s&#8217;han utilitzat eines num\u00e8riques de simulaci\u00f3. La concepci\u00f3 s&#8217;ha fet mitjan\u00e7ant injecci\u00f3 de pl\u00e0stic ABS en un motle d&#8217;alumini, del qual s&#8217;han obtingut 1.600 peces posteriorment assemblades per a formar un panell<strong>. La caracteritzaci\u00f3 ac\u00fastica del prototip s&#8217;ha dut a terme en la cambra anecoica del Campus de Gandia<\/strong>\u201d.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-15639\" src=\"https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2022\/03\/IMG_1676-1.jpg\" alt=\"\" width=\"640\" height=\"427\" srcset=\"https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2022\/03\/IMG_1676-1.jpg 640w, https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2022\/03\/IMG_1676-1-375x250.jpg 375w, https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2022\/03\/IMG_1676-1-150x100.jpg 150w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-15642\" src=\"https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2022\/03\/IMG_1705-1.jpg\" alt=\"\" width=\"640\" height=\"427\" srcset=\"https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2022\/03\/IMG_1705-1.jpg 640w, https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2022\/03\/IMG_1705-1-375x250.jpg 375w, https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2022\/03\/IMG_1705-1-150x100.jpg 150w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-15642\" src=\"https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2022\/03\/IMG_1705-1.jpg\" alt=\"\" width=\"640\" height=\"427\" srcset=\"https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2022\/03\/IMG_1705-1.jpg 640w, https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2022\/03\/IMG_1705-1-375x250.jpg 375w, https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2022\/03\/IMG_1705-1-150x100.jpg 150w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-15645\" src=\"https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2022\/03\/IMG_1714-1.jpg\" alt=\"\" width=\"640\" height=\"427\" srcset=\"https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2022\/03\/IMG_1714-1.jpg 640w, https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2022\/03\/IMG_1714-1-375x250.jpg 375w, https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2022\/03\/IMG_1714-1-150x100.jpg 150w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>M\u00c9S COL\u00b7LABORACIONS AMB L&#8217;ESA<\/p>\n<p>Amb anterioritat al projecte, el personal investigador del Campus de Gandia ha participat en altres dos projectes finan\u00e7ats al seu torn per l&#8217;ESA: el projecte\u00a0<a href=\"https:\/\/cienciagandia.webs.upv.es\/ca\/2014\/10\/reduccio-del-nivell-de-soroll-en-llancaments-espacials\/\"><strong>Sonic Crystals for Noise Reduction at the Launchpad<\/strong><\/a>\u00a0i el projecte\u00a0<strong>Acoustic Noise Reduction Methods for the Launch Pad<\/strong>. En aquest \u00faltim, Iv\u00e1n Herrero <a href=\"https:\/\/cienciagandia.webs.upv.es\/ca\/2020\/06\/ivan-herrero-defensa-la-seua-tesi-doctoral-en-linia-durant-el-periode-de-confinament\/\">va desenvolupar la seua tesi doctoral \u201cM\u00e8todes de reducci\u00f3 de soroll ac\u00fastic per a la plataforma de llan\u00e7ament\u201d, defensada en 2020<\/a>.<\/p>\n<hr \/>\n<p>Font: Laida Frasquet, periodista de l&#8217;\u00c0rea de Comunicaci\u00f3 UPV<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Els elevats nivells de pressi\u00f3 ac\u00fastica experimentats pels coets espacials durant l&#8217;enlairament s\u00f3n deguts, entre altres factors, a la reflexi\u00f3 de les ones de so, &#8230; <a title=\"Metamaterial per a reduir el soroll en el llan\u00e7ament de coets espacials\" class=\"read-more\" href=\"https:\/\/cienciagandia.webs.upv.es\/ca\/2022\/03\/metamaterial-per-a-reduir-el-soroll-en-el-llancament-de-coets-espacials\/\" aria-label=\"Read more about Metamaterial per a reduir el soroll en el llan\u00e7ament de coets espacials\">Llegir m\u00e9s<\/a><\/p>\n","protected":false},"author":11,"featured_media":15649,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[252],"tags":[706],"class_list":["post-15668","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tecnologia","tag-destacat-ca","resize-featured-image"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Metamaterial per a reduir el soroll en el llan\u00e7ament de coets espacials - Campus de Gandia Ciencia - UPV Universitat Polit\u00e8cnica de Val\u00e8ncia<\/title>\n<meta name=\"description\" content=\"Personal investigador de la Universitat Polit\u00e8cnica de Val\u00e8ncia (UPV), pertanyents al Campus de Gandia, treballen des de l&#039;any 2019 en el projecte\u00a0Launch Sound Level Reduction, finan\u00e7at per l&#039;Ag\u00e8ncia Espacial Europea (ESA).\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cienciagandia.webs.upv.es\/ca\/2022\/03\/metamaterial-per-a-reduir-el-soroll-en-el-llancament-de-coets-espacials\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Metamaterial per a reduir el soroll en el llan\u00e7ament de coets espacials - Campus de Gandia Ciencia - UPV Universitat Polit\u00e8cnica de Val\u00e8ncia\" \/>\n<meta property=\"og:description\" content=\"Personal investigador de la Universitat Polit\u00e8cnica de Val\u00e8ncia (UPV), pertanyents al Campus de Gandia, treballen des de l&#039;any 2019 en el projecte\u00a0Launch Sound Level Reduction, finan\u00e7at per l&#039;Ag\u00e8ncia Espacial Europea (ESA).\" \/>\n<meta property=\"og:url\" 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