{"id":9299,"date":"2015-08-07T10:07:27","date_gmt":"2015-08-07T10:07:27","guid":{"rendered":"https:\/\/www.akustik-forschung.de\/test\/?p=9299"},"modified":"2021-03-16T14:45:46","modified_gmt":"2021-03-16T13:45:46","slug":"anc-aktiver-schalldaempfer-fuer-bhkw","status":"publish","type":"post","link":"https:\/\/www.akustikforschung.de\/en\/unternehmen\/fallstudien\/anc-aktiver-schalldaempfer-fuer-bhkw\/","title":{"rendered":"Active Silencer for Cogeneration Units – ANC"},"content":{"rendered":"

\"Active<\/a><\/p>\n

The Gesellschaft f\u00fcr Akustikforschung Dresden mbH develops an active silencer (ANC) for the application in smoke pipe systems of cogeneration units (cogeneration plants for heat and power).<\/p>\n

The english abbrivation ANC stands for Active Noice Cancellation and is often used together with the term anti noise, since for the reduction of airborne noise a so-called anti noise source is applied.<\/p>\n

<\/p>\n

Advantages of active silencer system (ANC)<\/h4>\n

Previous measurements showed that the active silencer allows the efficient reduction of low frequency noise components in the exhaustion section of cogeneration units by up to 25 dB. In contrast to conventional passiv systems of silencers and muffler, the ANC system requires considerably less installation space.<\/p>\n

The underlying digital signal processing makes sure that the anti-noise system continuously automatically adapts to noise emitted by the cogeneration unit. In contrast to passive resonance mufflers which acoustic efficiency strongly depends on the temperature of the flowing medium, with the active silencer garanties a reliable noise reduction is guaranteed at any time.<\/p>\n

<\/p>\n

<\/p>\n

\"Active<\/a>

Data acquisition unit of active silencer (left) and coupling of anti noise source at smoke pipe system of a cogeneration unit (right)<\/p><\/div>\n

\"Sound<\/a>

Noise of outlet (left) and immission sound pressure level in the far field (right) measured without\/with activated ANC system<\/p><\/div><\/p>","protected":false},"excerpt":{"rendered":"

Gesellschaft f\u00fcr Akustikforschung Dresden mbH develops active silencer (ANC) to reduce low frequency noise components in exhaustion section of cogeneration units by up to 25 dB.<\/p>\n","protected":false},"author":2,"featured_media":9352,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[486,597,397,485,490,395,168],"class_list":["post-9299","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fallstudien","tag-aktive-larmkompensation","tag-aktiver-schalldaempfer","tag-anc","tag-antischall","tag-bhkw","tag-blockheizkraftwerk","tag-schalldampfer","has-content-parts","content-parts-5"],"yoast_head":"\nANC - Aktiver Schalld\u00e4mpfer f\u00fcr BHKW, tonale L\u00e4rmminderung<\/title>\n<meta name=\"description\" content=\"ANC - Aktiver Schalld\u00e4mpfer f\u00fcr Blockheizkraftwerk, BHKW, tonale Ger\u00e4usche, adaptive digitale Signalverarbeitung, aktive L\u00e4rmminderung\" \/>\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.akustikforschung.de\/unternehmen\/fallstudien\/anc-aktiver-schalldaempfer-fuer-bhkw\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ANC - 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