Wall pressure fluctuations in a turbulent boundary layer after blowing or suction

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dc.contributor.authorKim, Jko
dc.contributor.authorKim, Kko
dc.contributor.authorSung, Hyung Jinko
dc.date.accessioned2009-11-27T06:34:33Z-
dc.date.available2009-11-27T06:34:33Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2003-09-
dc.identifier.citationAIAA JOURNAL, v.41, pp.1697 - 1704-
dc.identifier.issn0001-1452-
dc.identifier.urihttp://hdl.handle.net/10203/13573-
dc.description.abstractA direct numerical simulation of a spatially developing turbulent boundary layer is performed to examine the characteristics of wall pressure fluctuations after the sudden application of wall blowing or suction. The uniform blowing or suction is given by the wall-normal velocity through a spanwise slot at the wall. The response of wall pressure fluctuations to uniform blowing or suction is analyzed by computing the turbulence statistics and frequency spectra. It is found that wall pressure fluctuations are more affected by blowing than by suction. The large elongated structure of wall pressure fluctuations is observed near the maximum location of (p(w))(rms) for blowing. The convection velocities for blowing increase with increasing the streamwise location after the slot. For both blowing and suction, the small scale of wall pressure fluctuations reacts in a short downstream distance to the spanwise slot, whereas the large scale recovers slowly farther downstream.-
dc.languageEnglish-
dc.language.isoen_USen
dc.publisherAMER INST AERONAUT ASTRONAUT-
dc.subjectCHANNEL FLOW-
dc.subjectGENERATION-
dc.titleWall pressure fluctuations in a turbulent boundary layer after blowing or suction-
dc.typeArticle-
dc.identifier.wosid000185010700007-
dc.identifier.scopusid2-s2.0-0141461666-
dc.type.rimsART-
dc.citation.volume41-
dc.citation.beginningpage1697-
dc.citation.endingpage1704-
dc.citation.publicationnameAIAA JOURNAL-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.contributor.localauthorSung, Hyung Jin-
dc.contributor.nonIdAuthorKim, J-
dc.contributor.nonIdAuthorKim, K-
dc.type.journalArticleArticle-
dc.subject.keywordPlusCHANNEL FLOW-
dc.subject.keywordPlusGENERATION-
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