{"id":159029,"date":"2021-07-21T09:12:43","date_gmt":"2021-07-21T07:12:43","guid":{"rendered":"https:\/\/bandelin.com\/?post_type=docs&#038;p=159029"},"modified":"2021-07-21T09:12:45","modified_gmt":"2021-07-21T07:12:45","password":"","slug":"cavitatie","status":"publish","type":"docs","link":"https:\/\/bandelin.com\/nl\/docs\/wissen\/kavitation\/","title":{"rendered":"Cavitatie"},"content":{"rendered":"<p>In ultrasone reinigingsapparaten bevordert cavitatie de verwijdering van vuildeeltjes uit vaste reinigingsobjecten. Andere toepassingen zijn homogenisatie, waarbij emulsies worden geproduceerd, en het ontgassen van vloeistoffen. Door de zeer lage druk binnen de cavitatiebellen worden gassen die zijn opgelost in het medium omgezet in een gasvormige toestand. Wanneer de cavitatiebellen imploderen, worden ze alleen weer opgenomen door het medium tot het punt van oplossingsevenwicht. Het overtollige gas ontsnapt uit het medium. Het effect dat wordt gebruikt voor de sonificatie van biogassubstraten, bijvoorbeeld, maakt gebruik van de schuifkrachten die worden opgewekt door cavitatie op het grensvlak tussen vaste stof en vloeistof en de resulterende oppervlakteaanval die leidt tot de vermaling en desintegratie van samenhangende deeltjes in vloeibare media.&nbsp;<\/p>\n\n\n\n<p>Het bewijs van dit cavitatie-effect kan eenvoudig worden geleverd met de zogenaamde <strong><a href=\"\/nl\/toepassingen\/folietest\/\">Folie test<\/a>\u00a0<\/strong>opbrengst: Een aluminiumfolie van 0,01 tot 0,02 mm dikte wordt op een draadframe gespannen, in de vloeistof geplaatst en gedurende 60 seconden gesoneerd. De cavitatie veroorzaakt perforaties in de folie, waardoor de intensiteit en de verdeling van de cavitatie gemakkelijk te herkennen zijn.<\/p>\n\n\n<figure class=\"wp-block-embed-youtube wp-block-embed is-type-video is-provider-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"lyte-wrapper fourthree\" style=\"width:420px;max-width:100%;margin:5px;\"><div class=\"lyMe\" id=\"WYL_O5uu_j5i_nI\"><div id=\"lyte_O5uu_j5i_nI\" data-src=\"https:\/\/bandelin.com\/wp-content\/plugins\/wp-youtube-lyte\/lyteCache.php?origThumbUrl=%2F%2Fi.ytimg.com%2Fvi%2FO5uu_j5i_nI%2Fhqdefault.jpg\" class=\"pL\"><div class=\"tC\"><div class=\"tT\"><\/div><\/div><div class=\"play\"><\/div><div class=\"ctrl\"><div class=\"Lctrl\"><\/div><div class=\"Rctrl\"><\/div><\/div><\/div><noscript><a href=\"https:\/\/youtu.be\/O5uu_j5i_nI\" rel=\"nofollow\"><img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/bandelin.com\/wp-content\/plugins\/wp-youtube-lyte\/lyteCache.php?origThumbUrl=https%3A%2F%2Fi.ytimg.com%2Fvi%2FO5uu_j5i_nI%2F0.jpg\" alt=\"Miniatuurafbeelding van een YouTube-video\" width=\"420\" height=\"295\" \/><br \/>Bekijk deze video op YouTube<\/a><\/noscript><\/div><\/div><div class=\"lL\" style=\"max-width:100%;width:420px;margin:5px;\"><br\/><span class=\"lyte_disclaimer\">Door de video's af te spelen, accepteer je het privacybeleid van YouTube.<\/span><\/div><figcaption><\/figcaption><\/figure>","protected":false},"excerpt":{"rendered":"<p>In Ultraschallreinigungsger\u00e4ten f\u00f6rdert die Kavitation die Abtragung der Schmutzpartikel vom festen Reinigungsobjekt. Weitere Anwendungen sind die Homogenisierung, bei der Emulsionen hergestellt werden sowie die Entgasung von Fl\u00fcssigkeiten. Durch den sehr geringen Druck innerhalb der Kavitationsblasen gehen hierbei im Medium gel\u00f6ste Gase in den gasf\u00f6rmigen Zustand \u00fcber. Beim Implodieren der Kavitationsblasen werden sie dann nur bis [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"doc_category":[1926],"doc_tag":[],"class_list":["post-159029","docs","type-docs","status-publish","hentry","doc_category-wissen"],"acf":[],"year_month":"2026-09","word_count":195,"total_views":"52","reactions":{"happy":"0","normal":"0","sad":"0"},"author_info":{"name":"J Bandelin","author_nicename":"jobandelin","author_url":"https:\/\/bandelin.com\/nl\/author\/jobandelin\/"},"doc_category_info":[{"term_name":"Grundlagenwissen Kavitation","term_url":"https:\/\/bandelin.com\/nl\/docs-category\/wissen\/"}],"doc_tag_info":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Kavitation | BANDELIN electronic GmbH &amp; Co. 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