An application of the acoustic similarity law to the numerical analysis of centrifugal fan noise

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dc.contributor.authorJeon, WHko
dc.contributor.authorLee, Duck-Jooko
dc.contributor.authorRhee, Hko
dc.date.accessioned2008-08-13T06:40:13Z-
dc.date.available2008-08-13T06:40:13Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2004-09-
dc.identifier.citationJSME INTERNATIONAL JOURNAL SERIES C-MECHANICAL SYSTEMS MACHINE ELEMENTS AND MANUFACTURING, v.47, no.3, pp.845 - 851-
dc.identifier.issn1344-7653-
dc.identifier.urihttp://hdl.handle.net/10203/7078-
dc.description.abstractCentrifugal fans, which are frequently used in our daily lives and various industries, usually make severe noise problems. Generally, the centrifugal fan noise consists of tones at the blade passing frequency and its higher harmonics. These tonal sounds come from the interaction between the flow discharged from the impeller and the cutoff in the casing. Prediction of the noise from a centrifugal fan becomes more necessary to optimize the design to meet both the performance and noise criteria. However, only some limited studies on noise prediction method exist because there are difficulties in obtaining detailed information about the flow field and casing effect on noise radiation. This paper aims to investigate the noise generation mechanism of a centrifugal fan and to develop a prediction method for the unsteady flow and acoustic pressure fields. In order to do this, a numerical analysis method using acoustic similarity law is proposed, and it is verified that the method can predict the noise generation mechanism very well by comparing the predicted results with available experimental results.-
dc.languageEnglish-
dc.language.isoen_USen
dc.publisherJAPAN SOC MECHANICAL ENGINEERS-
dc.subjectREDUCTION-
dc.subjectSOUND-
dc.titleAn application of the acoustic similarity law to the numerical analysis of centrifugal fan noise-
dc.typeArticle-
dc.identifier.wosid000225082800007-
dc.identifier.scopusid2-s2.0-8744271164-
dc.type.rimsART-
dc.citation.volume47-
dc.citation.issue3-
dc.citation.beginningpage845-
dc.citation.endingpage851-
dc.citation.publicationnameJSME INTERNATIONAL JOURNAL SERIES C-MECHANICAL SYSTEMS MACHINE ELEMENTS AND MANUFACTURING-
dc.identifier.doi10.1299/jsmec.47.845-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.contributor.localauthorLee, Duck-Joo-
dc.contributor.nonIdAuthorJeon, WH-
dc.contributor.nonIdAuthorRhee, H-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorcentrifugal fan noise-
dc.subject.keywordAuthoracoustic similarity law-
dc.subject.keywordPlusREDUCTION-
dc.subject.keywordPlusSOUND-
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