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NAOSITE : Nagasaki University's Academic Output SITE > Faculty of Engineering > Bulletin > Reports of the Faculty of Engineering, Nagasaki University > Volume 31, No. 56 >

遠心羽根車のインデューサ失速に基づく壁面静圧変動の解析


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Title: 遠心羽根車のインデューサ失速に基づく壁面静圧変動の解析
Other Titles: Analysis of wall pressure fluctuation due to inducer stall in a centrifugal blower
Authors: 坂口, 大作 / 石田, 正弘
Authors (alternative): Surana, Taufan / Sakaguchi, Daisaku / Ishida, Masahiro
Issue Date: Jan-2001
Citation: 長崎大学工学部研究報告 Vol.31(56) p.57-61, 2001
Abstract: In order to make clear the unstable flow phenomena observed at small flow rates in a centrifugal blower with inducer blades and radial blades, wall pressure fluctuation was measured by means of semiconductor pressure transducers installed at several points along the shroud casing wall. The frequency power spectrum and the auto-correlation coefficient of the pressure fluctuation measured at the inducer tip throat were analyzed to characterize the inception of unstable flow due to inducer stall. The focus was placed on the disturbances of wavelength larger than blade spacing for detecting the precursor of surge phenomenon.
URI: http://hdl.handle.net/10069/5135
ISSN: 02860902
Type: Departmental Bulletin Paper
Appears in Collections:Volume 31, No. 56

Citable URI : http://hdl.handle.net/10069/5135

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