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タイトル: 多翼ファンの内部流動に基づく比騒音の予測
その他のタイトル: A Prediction on Specific Noise Based on Internal Flow of a Forward Curved Fan
著者: 佐々木, 壮一 / 児玉, 好雄 / 林, 秀千人 / 畠山, 真
著者(別表記) : Sasaki, Soichi / Kodama, Yoshio / Hayashi, Hidechito / Hatakeyama, Makoto
発行日: 2007年 4月10日
引用: ターボ機械協会 35(4), pp.229-236; 2007
抄録: Specific noise which consists of total pressure and fan noise is available to estimate the overall performance. In this study, a prediction theory of specific noise for a forward curved fan is proposed. The specific noises of the fans that have a different number of blades were discussed based on this theory. The predicted total pressure coefficient coincided well with the experiment. The fan noise of MF120 fan (120 blades) became 3.9 dB smaller than MF40 fan (40 blades) because the relative velocity was reduced by the slip. It could be predicted quantitatively that the specific noise of MF120 fan was 2.4 dB lower than MF40 fan.
キーワード: Fan / Design / Flow Phenomenon / Performance / Noise
URI: http://hdl.handle.net/10069/20088
ISSN: 03858839
権利: ターボ機械協会
資料タイプ: Journal Article
原稿種類: publisher
出現コレクション:060 学術雑誌論文

引用URI : http://hdl.handle.net/10069/20088



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