{"id":27301,"date":"2022-06-23T12:59:31","date_gmt":"2022-06-23T11:59:31","guid":{"rendered":"https:\/\/www.imperalum.com\/systemes-resonants\/"},"modified":"2022-06-23T13:01:03","modified_gmt":"2022-06-23T12:01:03","slug":"systemes-resonants","status":"publish","type":"page","link":"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/systemes-resonants\/","title":{"rendered":"Syst\u00e8mes R\u00e9sonants"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"27301\" class=\"elementor elementor-27301 elementor-22867\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-277876ed elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"277876ed\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-30fc7334\" data-id=\"30fc7334\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-83b9275\" data-id=\"83b9275\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3b18d164 elementor-align-right elementor-widget elementor-widget-breadcrumbs\" data-id=\"3b18d164\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"breadcrumbs.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p id=\"breadcrumbs\"><span><span><a href=\"https:\/\/www.imperalum.com\/fr\/\">Home<\/a><\/span><\/span><\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b8daabb elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b8daabb\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-a50f4cb\" data-id=\"a50f4cb\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d76278d elementor-widget elementor-widget-heading\" data-id=\"d76278d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Conceitos gerais de ac\u00fastica <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-09ce9fb elementor-nav-menu__align-justify elementor-nav-menu--dropdown-tablet elementor-nav-menu__text-align-aside elementor-nav-menu--toggle elementor-nav-menu--burger elementor-widget elementor-widget-global elementor-global-25283 elementor-widget-nav-menu\" data-id=\"09ce9fb\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;layout&quot;:&quot;vertical&quot;,&quot;submenu_icon&quot;:{&quot;value&quot;:&quot;fas fa-caret-down&quot;,&quot;library&quot;:&quot;fa-solid&quot;},&quot;toggle&quot;:&quot;burger&quot;}\" data-widget_type=\"nav-menu.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<nav aria-label=\"Menu\" class=\"elementor-nav-menu--main elementor-nav-menu__container elementor-nav-menu--layout-vertical e--pointer-background e--animation-fade\">\n\t\t\t\t<ul id=\"menu-1-09ce9fb\" class=\"elementor-nav-menu sm-vertical\"><li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27330\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/manuel-dacoustique\/\" class=\"elementor-item\">Manuel d&#8217;Acoustique<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27331\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/le-bruit-de-lair\/\" class=\"elementor-item\">Le Bruit de l\u2019Air<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27332\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/vitesse-de-propagation-du-son\/\" class=\"elementor-item\">Vitesse de Propagation du Son<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27333\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/longueur-donde\/\" class=\"elementor-item\">Longueur d\u2019Onde<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27334\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/niveau-de-pression-et-de-puissance-acoustique\/\" class=\"elementor-item\">Niveau de Pression et de Puissance Acoustique<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27335\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/niveau-acoustique\/\" class=\"elementor-item\">Niveau acoustique<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27336\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/temps-de-reverberation\/\" class=\"elementor-item\">Temps de R\u00e9verb\u00e9ration<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27337\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/bandes-de-frequence\/\" class=\"elementor-item\">Bandes de Fr\u00e9quence<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27338\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/bruits-aeriens-et-dimpact\/\" class=\"elementor-item\">Bruits A\u00e9riens et d\u2019impact<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27535\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/normes\/\" class=\"elementor-item\">Normes<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27536\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/indice-disolement-aux-bruits-aeriens\/\" class=\"elementor-item\">Indice d\u2019Isolement aux bruits a\u00e9riens<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27537\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/indice-disolement-aux-bruits-dimpact\/\" class=\"elementor-item\">Indice d\u2019Isolement aux bruits d\u2019impact<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27538\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/affaiblissement-acoustique-de-revetements-de-sol-ou-systemes-de-plancher-flottant\/\" class=\"elementor-item\">Affaiblissement Acoustique de Rev\u00eatements de Sol ou Syst\u00e8mes de Plancher Flottant<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27539\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/transmission-laterale\/\" class=\"elementor-item\">Transmission Lat\u00e9rale<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27540\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/considerations-generales\/\" class=\"elementor-item\">Consid\u00e9rations G\u00e9n\u00e9rales<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27541\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/solutions-pour-la-correction-acoustique-despaces\/\" class=\"elementor-item\">Solutions pour la correction acoustique d\u2019espaces<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27542\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/materiaux-poreux\/\" class=\"elementor-item\">Mat\u00e9riaux Poreux<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27339\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/systemes-resonants\/\" class=\"elementor-item\">Syst\u00e8mes R\u00e9sonants<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-28293\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/solucoes-construtivas-imperalum\/\" class=\"elementor-item\">Solu\u00e7\u00f5es Construtivas Imperalum<\/a><\/li>\n<\/ul>\t\t\t<\/nav>\n\t\t\t\t\t<div class=\"elementor-menu-toggle\" role=\"button\" tabindex=\"0\" aria-label=\"Menu Toggle\" aria-expanded=\"false\">\n\t\t\t<i aria-hidden=\"true\" role=\"presentation\" class=\"elementor-menu-toggle__icon--open eicon-menu-bar\"><\/i><i aria-hidden=\"true\" role=\"presentation\" class=\"elementor-menu-toggle__icon--close eicon-close\"><\/i>\t\t<\/div>\n\t\t\t\t\t<nav class=\"elementor-nav-menu--dropdown elementor-nav-menu__container\" aria-hidden=\"true\">\n\t\t\t\t<ul id=\"menu-2-09ce9fb\" class=\"elementor-nav-menu sm-vertical\"><li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27330\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/manuel-dacoustique\/\" class=\"elementor-item\" tabindex=\"-1\">Manuel d&#8217;Acoustique<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27331\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/le-bruit-de-lair\/\" class=\"elementor-item\" tabindex=\"-1\">Le Bruit de l\u2019Air<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27332\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/vitesse-de-propagation-du-son\/\" class=\"elementor-item\" tabindex=\"-1\">Vitesse de Propagation du Son<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27333\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/longueur-donde\/\" class=\"elementor-item\" tabindex=\"-1\">Longueur d\u2019Onde<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27334\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/niveau-de-pression-et-de-puissance-acoustique\/\" class=\"elementor-item\" tabindex=\"-1\">Niveau de Pression et de Puissance Acoustique<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27335\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/niveau-acoustique\/\" class=\"elementor-item\" tabindex=\"-1\">Niveau acoustique<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27336\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/temps-de-reverberation\/\" class=\"elementor-item\" tabindex=\"-1\">Temps de R\u00e9verb\u00e9ration<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27337\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/bandes-de-frequence\/\" class=\"elementor-item\" tabindex=\"-1\">Bandes de Fr\u00e9quence<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27338\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/bruits-aeriens-et-dimpact\/\" class=\"elementor-item\" tabindex=\"-1\">Bruits A\u00e9riens et d\u2019impact<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27535\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/normes\/\" class=\"elementor-item\" tabindex=\"-1\">Normes<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27536\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/indice-disolement-aux-bruits-aeriens\/\" class=\"elementor-item\" tabindex=\"-1\">Indice d\u2019Isolement aux bruits a\u00e9riens<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27537\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/indice-disolement-aux-bruits-dimpact\/\" class=\"elementor-item\" tabindex=\"-1\">Indice d\u2019Isolement aux bruits d\u2019impact<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27538\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/affaiblissement-acoustique-de-revetements-de-sol-ou-systemes-de-plancher-flottant\/\" class=\"elementor-item\" tabindex=\"-1\">Affaiblissement Acoustique de Rev\u00eatements de Sol ou Syst\u00e8mes de Plancher Flottant<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27539\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/transmission-laterale\/\" class=\"elementor-item\" tabindex=\"-1\">Transmission Lat\u00e9rale<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27540\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/considerations-generales\/\" class=\"elementor-item\" tabindex=\"-1\">Consid\u00e9rations G\u00e9n\u00e9rales<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27541\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/solutions-pour-la-correction-acoustique-despaces\/\" class=\"elementor-item\" tabindex=\"-1\">Solutions pour la correction acoustique d\u2019espaces<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27542\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/materiaux-poreux\/\" class=\"elementor-item\" tabindex=\"-1\">Mat\u00e9riaux Poreux<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-27339\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/systemes-resonants\/\" class=\"elementor-item\" tabindex=\"-1\">Syst\u00e8mes R\u00e9sonants<\/a><\/li>\n<li class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-28293\"><a href=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/solucoes-construtivas-imperalum\/\" class=\"elementor-item\" tabindex=\"-1\">Solu\u00e7\u00f5es Construtivas Imperalum<\/a><\/li>\n<\/ul>\t\t\t<\/nav>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-66 elementor-top-column elementor-element elementor-element-c9f0490\" data-id=\"c9f0490\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5443c01 elementor-widget elementor-widget-text-editor\" data-id=\"5443c01\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Les syst\u00e8mes r\u00e9sonnants permettent, par absorption m\u00e9canique, de dissiper l\u2019\u00e9nergie acoustique dans des enceintes et ainsi, de modifier le temps de r\u00e9verb\u00e9ration des enceintes. Ces syst\u00e8mes peuvent se sous-diviser en deux types, les plaques vibrantes et les r\u00e9sonateurs de Helmholtz.<\/p><p>Les plaques vibrantes (illustration suivante) sont extr\u00eamement efficaces, et conseill\u00e9es, pour la correction d\u2019espaces dans les bandes de basses fr\u00e9quences, lorsque la distance de l\u2019\u00e9l\u00e9ment rigide (mur), \u00e0 laquelle les syst\u00e8mes poreux devraient \u00eatre plac\u00e9s, commence \u00e0 \u00eatre trop importante.<\/p><p>\u00a0<\/p><p><a href=\"https:\/\/imperalum.com\/cms\/wp-content\/uploads\/2014\/08\/Sistemas-Ressonantes_1.gif\"><img decoding=\"async\" class=\"aligncenter wp-image-1759 size-full\" src=\"https:\/\/imperalum.com\/cms\/wp-content\/uploads\/2014\/08\/Sistemas-Ressonantes_1.gif\" alt=\"Sistemas Ressonantes_1\" width=\"90\" height=\"196\" \/><\/a>La formule qui permet de d\u00e9terminer la fr\u00e9quence de r\u00e9sonance\u00a0<strong>fr<\/strong>\u00a0de plaques de ce type, avec masse superficielle m (exprim\u00e9e en kg\/m2 ) et \u00e9loign\u00e9es de l\u2019\u00e9l\u00e9ment rigide par la distance\u00a0<strong>d<\/strong>\u00a0(en cm), est la suivante:<\/p><p><a href=\"https:\/\/imperalum.com\/cms\/wp-content\/uploads\/2014\/08\/Sistemas-Ressonantes_2.gif\"><img decoding=\"async\" class=\"aligncenter wp-image-1760 size-full\" src=\"https:\/\/imperalum.com\/cms\/wp-content\/uploads\/2014\/08\/Sistemas-Ressonantes_2.gif\" alt=\"Sistemas Ressonantes_2\" width=\"118\" height=\"62\" \/><\/a><\/p><p>Les plaques vibrantes sont efficaces sur les basses fr\u00e9quences du spectre, mais elles leur portent atteintes du fait qu\u2019elles soient tr\u00e8s s\u00e9lectives \u2013 car elles sont dimensionn\u00e9es pour une fr\u00e9quence de r\u00e9sonnance sp\u00e9cifique. Afin de r\u00e9duire la s\u00e9lectivit\u00e9 en cause et permettre \u00e0 la plaque d\u2019absorber l\u2019\u00e9nergie acoustique sur une gamme de fr\u00e9quences plus vaste, on peut mettre en place un mat\u00e9riel poreux sur sa face de scellement, obtenant ainsi un comportement plus vaste de fr\u00e9quences.<\/p><p><a href=\"https:\/\/imperalum.com\/cms\/wp-content\/uploads\/2014\/08\/Sistemas-Ressonantes_3.gif\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-image-1761 size-full\" src=\"https:\/\/imperalum.com\/cms\/wp-content\/uploads\/2014\/08\/Sistemas-Ressonantes_3.gif\" alt=\"Sistemas Ressonantes_3\" width=\"378\" height=\"206\" \/><\/a>Le r\u00e9sonateur de Helmholtz est d\u00e9fini par une cavit\u00e9 acoustique (p. ex. une bouteille sans bouchon) ou un syst\u00e8me semblable.<\/p><p><a href=\"https:\/\/imperalum.com\/cms\/wp-content\/uploads\/2014\/08\/Sistemas-Ressonantes_4.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1762 size-full\" src=\"https:\/\/imperalum.com\/cms\/wp-content\/uploads\/2014\/08\/Sistemas-Ressonantes_4.gif\" alt=\"Sistemas Ressonantes_4\" width=\"353\" height=\"160\" \/><\/a><\/p><p>L\u2019incidence des ondes acoustiques sur la surface transversale de l\u2019entr\u00e9e du col implique des d\u00e9placements altern\u00e9s \u00e0 la masse d\u2019air qui y est contenue, accompagn\u00e9es par la dissipation d\u2019\u00e9nergie \u00e0 cause du frottement de l\u2019air contre les murs du col. Un r\u00e9sonateur est rh\u00e9ologiquement model\u00e9 par un syst\u00e8me de ressort-masse, avec amortissement, o\u00f9 l\u2019air du col correspond \u00e0 l\u2019\u00e9l\u00e9ment masse, l\u2019air contenu dans le corps du r\u00e9sonateur \u00e0 l\u2019\u00e9l\u00e9ment ressort et les m\u00e9canismes de dissipation d\u2019\u00e9nergie par frottement \u00e0 l\u2019amortissement respectif. De cette mani\u00e8re, on peut \u00e9galement d\u00e9finir une fr\u00e9quence de r\u00e9sonance pour ce type de syst\u00e8mes, avec un volume<strong>\u00a0V<\/strong>, une zone de la section droite du \u00ab\u00a0col\u00a0\u00bb\u00a0<strong>S<\/strong>\u00a0et la longueur du \u00ab\u00a0col\u00a0\u00bb I:<\/p><p><a href=\"https:\/\/imperalum.com\/cms\/wp-content\/uploads\/2014\/08\/Sistemas-Ressonantes_5.gif\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1763 size-full\" src=\"https:\/\/imperalum.com\/cms\/wp-content\/uploads\/2014\/08\/Sistemas-Ressonantes_5.gif\" alt=\"Sistemas Ressonantes_5\" width=\"140\" height=\"68\" \/><\/a><\/p><p>Ce syst\u00e8me est \u00e9galement s\u00e9lectif du point de vue de la fr\u00e9quence. Cependant, cette s\u00e9lectivit\u00e9 peut \u00eatre r\u00e9duite gr\u00e2ce \u00e0 l\u2019introduction, dans le corps, du r\u00e9sonateur en mat\u00e9riel absorbant acoustique<\/p><p><img decoding=\"async\" src=\"https:\/\/www.imperalum.com\/?solucoes=sistemas-ressonantes\" alt=\"\" \/><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Conceitos gerais de ac\u00fastica Les syst\u00e8mes r\u00e9sonnants permettent, par absorption m\u00e9canique, de dissiper l\u2019\u00e9nergie acoustique dans des enceintes et ainsi, de modifier le temps de r\u00e9verb\u00e9ration des enceintes. Ces syst\u00e8mes peuvent se sous-diviser en deux types, les plaques vibrantes et les r\u00e9sonateurs de Helmholtz. Les plaques vibrantes (illustration suivante) sont extr\u00eamement efficaces, et conseill\u00e9es, pour [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":27559,"menu_order":187,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"footnotes":""},"class_list":["post-27301","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Syst\u00e8mes R\u00e9sonants - Imperalum<\/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.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/systemes-resonants\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Syst\u00e8mes R\u00e9sonants - Imperalum\" \/>\n<meta property=\"og:description\" content=\"Conceitos gerais de ac\u00fastica Les syst\u00e8mes r\u00e9sonnants permettent, par absorption m\u00e9canique, de dissiper l\u2019\u00e9nergie acoustique dans des enceintes et ainsi, de modifier le temps de r\u00e9verb\u00e9ration des enceintes. Ces syst\u00e8mes peuvent se sous-diviser en deux types, les plaques vibrantes et les r\u00e9sonateurs de Helmholtz. Les plaques vibrantes (illustration suivante) sont extr\u00eamement efficaces, et conseill\u00e9es, pour [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/systemes-resonants\/\" \/>\n<meta property=\"og:site_name\" content=\"Imperalum\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/imperalum\/\" \/>\n<meta property=\"article:modified_time\" content=\"2022-06-23T12:01:03+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/imperalum.com\/cms\/wp-content\/uploads\/2014\/08\/Sistemas-Ressonantes_1.gif\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@Imperalum1\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.imperalum.com\\\/fr\\\/solutions\\\/solutions-disolation-acoustique\\\/systemes-resonants\\\/\",\"url\":\"https:\\\/\\\/www.imperalum.com\\\/fr\\\/solutions\\\/solutions-disolation-acoustique\\\/systemes-resonants\\\/\",\"name\":\"Syst\u00e8mes R\u00e9sonants - Imperalum\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.imperalum.com\\\/fr\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.imperalum.com\\\/fr\\\/solutions\\\/solutions-disolation-acoustique\\\/systemes-resonants\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.imperalum.com\\\/fr\\\/solutions\\\/solutions-disolation-acoustique\\\/systemes-resonants\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/imperalum.com\\\/cms\\\/wp-content\\\/uploads\\\/2014\\\/08\\\/Sistemas-Ressonantes_1.gif\",\"datePublished\":\"2022-06-23T11:59:31+00:00\",\"dateModified\":\"2022-06-23T12:01:03+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.imperalum.com\\\/fr\\\/solutions\\\/solutions-disolation-acoustique\\\/systemes-resonants\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.imperalum.com\\\/fr\\\/solutions\\\/solutions-disolation-acoustique\\\/systemes-resonants\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/www.imperalum.com\\\/fr\\\/solutions\\\/solutions-disolation-acoustique\\\/systemes-resonants\\\/#primaryimage\",\"url\":\"https:\\\/\\\/imperalum.com\\\/cms\\\/wp-content\\\/uploads\\\/2014\\\/08\\\/Sistemas-Ressonantes_1.gif\",\"contentUrl\":\"https:\\\/\\\/imperalum.com\\\/cms\\\/wp-content\\\/uploads\\\/2014\\\/08\\\/Sistemas-Ressonantes_1.gif\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.imperalum.com\\\/fr\\\/solutions\\\/solutions-disolation-acoustique\\\/systemes-resonants\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.imperalum.com\\\/fr\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Syst\u00e8mes R\u00e9sonants\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.imperalum.com\\\/fr\\\/#website\",\"url\":\"https:\\\/\\\/www.imperalum.com\\\/fr\\\/\",\"name\":\"Imperalum\",\"description\":\"L\u00edderes em impermeabiliza\u00e7\u00e3o\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.imperalum.com\\\/fr\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.imperalum.com\\\/fr\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.imperalum.com\\\/fr\\\/#organization\",\"name\":\"Imperalum\",\"url\":\"https:\\\/\\\/www.imperalum.com\\\/fr\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/www.imperalum.com\\\/fr\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.imperalum.com\\\/cms\\\/wp-content\\\/uploads\\\/2022\\\/07\\\/imperalum_logo_RGB_cor_03.png\",\"contentUrl\":\"https:\\\/\\\/www.imperalum.com\\\/cms\\\/wp-content\\\/uploads\\\/2022\\\/07\\\/imperalum_logo_RGB_cor_03.png\",\"width\":2400,\"height\":601,\"caption\":\"Imperalum\"},\"image\":{\"@id\":\"https:\\\/\\\/www.imperalum.com\\\/fr\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/imperalum\\\/\",\"https:\\\/\\\/x.com\\\/Imperalum1\",\"https:\\\/\\\/www.instagram.com\\\/imperalum_sa\\\/\",\"https:\\\/\\\/www.linkedin.com\\\/company\\\/imperalum\\\/\",\"https:\\\/\\\/www.youtube.com\\\/channel\\\/UCjf1ZpcoO7pPiA8vgaaieVw\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Syst\u00e8mes R\u00e9sonants - Imperalum","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/systemes-resonants\/","og_locale":"fr_FR","og_type":"article","og_title":"Syst\u00e8mes R\u00e9sonants - Imperalum","og_description":"Conceitos gerais de ac\u00fastica Les syst\u00e8mes r\u00e9sonnants permettent, par absorption m\u00e9canique, de dissiper l\u2019\u00e9nergie acoustique dans des enceintes et ainsi, de modifier le temps de r\u00e9verb\u00e9ration des enceintes. Ces syst\u00e8mes peuvent se sous-diviser en deux types, les plaques vibrantes et les r\u00e9sonateurs de Helmholtz. Les plaques vibrantes (illustration suivante) sont extr\u00eamement efficaces, et conseill\u00e9es, pour [&hellip;]","og_url":"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/systemes-resonants\/","og_site_name":"Imperalum","article_publisher":"https:\/\/www.facebook.com\/imperalum\/","article_modified_time":"2022-06-23T12:01:03+00:00","og_image":[{"url":"https:\/\/imperalum.com\/cms\/wp-content\/uploads\/2014\/08\/Sistemas-Ressonantes_1.gif","type":"","width":"","height":""}],"twitter_card":"summary_large_image","twitter_site":"@Imperalum1","twitter_misc":{"Est. reading time":"4 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/systemes-resonants\/","url":"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/systemes-resonants\/","name":"Syst\u00e8mes R\u00e9sonants - Imperalum","isPartOf":{"@id":"https:\/\/www.imperalum.com\/fr\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/systemes-resonants\/#primaryimage"},"image":{"@id":"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/systemes-resonants\/#primaryimage"},"thumbnailUrl":"https:\/\/imperalum.com\/cms\/wp-content\/uploads\/2014\/08\/Sistemas-Ressonantes_1.gif","datePublished":"2022-06-23T11:59:31+00:00","dateModified":"2022-06-23T12:01:03+00:00","breadcrumb":{"@id":"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/systemes-resonants\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/systemes-resonants\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/systemes-resonants\/#primaryimage","url":"https:\/\/imperalum.com\/cms\/wp-content\/uploads\/2014\/08\/Sistemas-Ressonantes_1.gif","contentUrl":"https:\/\/imperalum.com\/cms\/wp-content\/uploads\/2014\/08\/Sistemas-Ressonantes_1.gif"},{"@type":"BreadcrumbList","@id":"https:\/\/www.imperalum.com\/fr\/solutions\/solutions-disolation-acoustique\/systemes-resonants\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.imperalum.com\/fr\/"},{"@type":"ListItem","position":2,"name":"Syst\u00e8mes R\u00e9sonants"}]},{"@type":"WebSite","@id":"https:\/\/www.imperalum.com\/fr\/#website","url":"https:\/\/www.imperalum.com\/fr\/","name":"Imperalum","description":"L\u00edderes em impermeabiliza\u00e7\u00e3o","publisher":{"@id":"https:\/\/www.imperalum.com\/fr\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.imperalum.com\/fr\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Organization","@id":"https:\/\/www.imperalum.com\/fr\/#organization","name":"Imperalum","url":"https:\/\/www.imperalum.com\/fr\/","logo":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/www.imperalum.com\/fr\/#\/schema\/logo\/image\/","url":"https:\/\/www.imperalum.com\/cms\/wp-content\/uploads\/2022\/07\/imperalum_logo_RGB_cor_03.png","contentUrl":"https:\/\/www.imperalum.com\/cms\/wp-content\/uploads\/2022\/07\/imperalum_logo_RGB_cor_03.png","width":2400,"height":601,"caption":"Imperalum"},"image":{"@id":"https:\/\/www.imperalum.com\/fr\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/imperalum\/","https:\/\/x.com\/Imperalum1","https:\/\/www.instagram.com\/imperalum_sa\/","https:\/\/www.linkedin.com\/company\/imperalum\/","https:\/\/www.youtube.com\/channel\/UCjf1ZpcoO7pPiA8vgaaieVw"]}]}},"_links":{"self":[{"href":"https:\/\/www.imperalum.com\/fr\/wp-json\/wp\/v2\/pages\/27301","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.imperalum.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.imperalum.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.imperalum.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.imperalum.com\/fr\/wp-json\/wp\/v2\/comments?post=27301"}],"version-history":[{"count":4,"href":"https:\/\/www.imperalum.com\/fr\/wp-json\/wp\/v2\/pages\/27301\/revisions"}],"predecessor-version":[{"id":27305,"href":"https:\/\/www.imperalum.com\/fr\/wp-json\/wp\/v2\/pages\/27301\/revisions\/27305"}],"up":[{"embeddable":true,"href":"https:\/\/www.imperalum.com\/fr\/wp-json\/wp\/v2\/pages\/27559"}],"wp:attachment":[{"href":"https:\/\/www.imperalum.com\/fr\/wp-json\/wp\/v2\/media?parent=27301"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}