{"id":288,"date":"2017-03-08T17:47:14","date_gmt":"2017-03-08T16:47:14","guid":{"rendered":"http:\/\/sinapteclab.dev4-audace.fr\/other-applications\/"},"modified":"2017-07-11T16:31:36","modified_gmt":"2017-07-11T14:31:36","slug":"general-principle-the-cavitation","status":"publish","type":"page","link":"https:\/\/www.silabtec.com\/en\/general-principle-the-cavitation\/","title":{"rendered":"General principle: the cavitation"},"content":{"rendered":"<div class=\"wpb-content-wrapper\">[vc_row][vc_column][mk_fancy_title color=&#8221;#009de0&#8243; size=&#8221;25&#8243; font_weight=&#8221;bold&#8221; font_family=&#8221;none&#8221;]<strong>Ultrasound in fluids: acoustic cavitation<\/strong>[\/mk_fancy_title][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/3&#8243;][vc_single_image image=&#8221;375&#8243; img_size=&#8221;full&#8221; css_animation=&#8221;fadeIn&#8221;][\/vc_column][vc_column width=&#8221;2\/3&#8243;][vc_column_text]The action of ultrasounds in liquid medium is based on the phenomenon of cavitation: creation, growth and implosion of bubbles formed when a liquid is subject to a pressure wave. This results in a pressure shock in the vicinity of the bubble and the formation of a thermochemical microreactor inside the bubble.<\/p>\n<p>For acoustic cavitation to occur, a power threshold must be reached. This threshold is 0.5 W \/ cm\u00b2 at 20 kHz, for water at atmospheric pressure and of a few W \/ cm\u00b2 for organic solvents. The amplitude of the vacuum to be supplied in order to reach the cavitation threshold depends on several parameters: the higher the viscosity of the medium (that is to say the internal cohesion of the liquid), the more difficult it is to obtain cavitation because the particles are more difficult to separate.<\/p>\n<p>In a liquid medium, acoustic cavitation is at the root of the effects of ultrasonic power.[\/vc_column_text][\/vc_column][\/vc_row]\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][mk_fancy_title color=&#8221;#009de0&#8243; size=&#8221;25&#8243; font_weight=&#8221;bold&#8221; font_family=&#8221;none&#8221;]Ultrasound in fluids: acoustic cavitation[\/mk_fancy_title][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/3&#8243;][vc_single_image image=&#8221;375&#8243; img_size=&#8221;full&#8221; css_animation=&#8221;fadeIn&#8221;][\/vc_column][vc_column width=&#8221;2\/3&#8243;][vc_column_text]The action of ultrasounds in liquid medium is based on the phenomenon of cavitation: creation, growth and implosion of bubbles formed when a liquid is subject to a pressure wave. This results in a pressure shock in the vicinity of the bubble [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-288","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>General principle: the cavitation - SilabTec<\/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.silabtec.com\/en\/general-principle-the-cavitation\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"General principle: the cavitation - SilabTec\" \/>\n<meta property=\"og:description\" content=\"[vc_row][vc_column][mk_fancy_title color=&#8221;#009de0&#8243; size=&#8221;25&#8243; font_weight=&#8221;bold&#8221; font_family=&#8221;none&#8221;]Ultrasound in fluids: acoustic cavitation[\/mk_fancy_title][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/3&#8243;][vc_single_image image=&#8221;375&#8243; img_size=&#8221;full&#8221; css_animation=&#8221;fadeIn&#8221;][\/vc_column][vc_column width=&#8221;2\/3&#8243;][vc_column_text]The action of ultrasounds in liquid medium is based on the phenomenon of cavitation: creation, growth and implosion of bubbles formed when a liquid is subject to a pressure wave. This results in a pressure shock in the vicinity of the bubble [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silabtec.com\/en\/general-principle-the-cavitation\/\" \/>\n<meta property=\"og:site_name\" content=\"SilabTec\" \/>\n<meta property=\"article:modified_time\" content=\"2017-07-11T14:31:36+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.silabtec.com\\\/en\\\/general-principle-the-cavitation\\\/\",\"url\":\"https:\\\/\\\/www.silabtec.com\\\/en\\\/general-principle-the-cavitation\\\/\",\"name\":\"General principle: the cavitation - SilabTec\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.silabtec.com\\\/en\\\/#website\"},\"datePublished\":\"2017-03-08T16:47:14+00:00\",\"dateModified\":\"2017-07-11T14:31:36+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.silabtec.com\\\/en\\\/general-principle-the-cavitation\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.silabtec.com\\\/en\\\/general-principle-the-cavitation\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.silabtec.com\\\/en\\\/general-principle-the-cavitation\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\\\/\\\/www.silabtec.com\\\/en\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"General principle: the cavitation\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.silabtec.com\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/www.silabtec.com\\\/en\\\/\",\"name\":\"SilabTec\",\"description\":\"La technologie ultrason ma\u00eetris\u00e9e\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.silabtec.com\\\/en\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.silabtec.com\\\/en\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.silabtec.com\\\/en\\\/#organization\",\"name\":\"Sinaptec Lab\",\"url\":\"https:\\\/\\\/www.silabtec.com\\\/en\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.silabtec.com\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.silabtec.com\\\/wp-content\\\/uploads\\\/2017\\\/03\\\/logo-sinaptec-1.jpg\",\"contentUrl\":\"https:\\\/\\\/www.silabtec.com\\\/wp-content\\\/uploads\\\/2017\\\/03\\\/logo-sinaptec-1.jpg\",\"width\":300,\"height\":104,\"caption\":\"Sinaptec Lab\"},\"image\":{\"@id\":\"https:\\\/\\\/www.silabtec.com\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"General principle: the cavitation - SilabTec","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.silabtec.com\/en\/general-principle-the-cavitation\/","og_locale":"en_US","og_type":"article","og_title":"General principle: the cavitation - SilabTec","og_description":"[vc_row][vc_column][mk_fancy_title color=&#8221;#009de0&#8243; size=&#8221;25&#8243; font_weight=&#8221;bold&#8221; font_family=&#8221;none&#8221;]Ultrasound in fluids: acoustic cavitation[\/mk_fancy_title][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/3&#8243;][vc_single_image image=&#8221;375&#8243; img_size=&#8221;full&#8221; css_animation=&#8221;fadeIn&#8221;][\/vc_column][vc_column width=&#8221;2\/3&#8243;][vc_column_text]The action of ultrasounds in liquid medium is based on the phenomenon of cavitation: creation, growth and implosion of bubbles formed when a liquid is subject to a pressure wave. 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