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NAOSITE : Nagasaki University's Academic Output SITE > Faculty of Engineering > Bulletin > Reports of the Faculty of Engineering, Nagasaki University > Volume 27, No. 49 >

チューブラー遠心送風機の空力特性と騒音特性の実験的研究 : 羽根車入口と出口の面積比の影響

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Title: チューブラー遠心送風機の空力特性と騒音特性の実験的研究 : 羽根車入口と出口の面積比の影響
Other Titles: Experimental Study on Aerodynamics and Noise Characteristics of a Tubular Centrifugal Fan : Effects of Ratio of Inlet Area to Outlet Area of Impeller
Authors: 児玉, 好雄 / 林, 秀千人 / 三村, 雄次郎 / 淵上, 真一郎 / 鈴木, 保彦 / 田中, 清裕 / 永松, 秀規
Authors (alternative): Kodama, Yoshio / Hayashi, Hidechito / Mimura, Yujirou / Fuchigami, Shinichirou / Suzuki, Yasuhiko / Tanaka, Kiyohiro / Nagamatsu, Hideki
Issue Date: Jul-1997
Citation: 長崎大学工学部研究報告 Vol.27(49) p. 191-198, 1997
Abstract: An experimental investigation of a centrifugal fan was conducted with special attention to the effects of the casing shape on the aerodynamic and fan noise characteristics. A comparison of the fan noise and the aerodynamic characteristics of the tubular casing with those of scroll casing was made. As a result it was concluded that the aerodynamic characteristics of the fan with scroll casing were superior to those with tubular casing. The measured values of overall sound pressure level for both fans are roughly coincident. When the ratio of inlet area to the outlet area of the impeller becomes nearly unity, the fan characteristics improve. For tubular fan, the rotating noise can be controlled by proper selection of the number of impeller blades and the number of stator vanes.
URI: http://hdl.handle.net/10069/15018
ISSN: 02860902
Type: Departmental Bulletin Paper
Appears in Collections:Volume 27, No. 49

Citable URI : http://hdl.handle.net/10069/15018

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