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多翼ファンの性能に及ぼすディフューザの影響
http://hdl.handle.net/10069/28906
http://hdl.handle.net/10069/28906721dab9b-ae90-4a79-bc24-532b6a0b616c
名前 / ファイル | ライセンス | アクション |
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42_79_1.pdf (2.1 MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2012-08-01 | |||||
タイトル | ||||||
タイトル | 多翼ファンの性能に及ぼすディフューザの影響 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Pressure Drop | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Fan | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Aerodynamic Noise | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Internal Flow | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Separation | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
著者 |
佐々木, 壮一
× 佐々木, 壮一× 鈴木, 康太× 林, 秀千人 |
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著者別名 | ||||||
姓名 | Sasaki, Soichi | |||||
著者別名 | ||||||
姓名 | Suzuki, Kota | |||||
著者別名 | ||||||
姓名 | Hayashi, Hidechito | |||||
その他のタイトル | ||||||
その他のタイトル | Influence of Diffuser on the Performance of a Forward Curved Fan | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | In order to clarify the influence of the diffuser on the characteristics of a forward curved fan, the influence of bare ratio and outlet angle on the characteristics of the fan was discussed by the experiment of the actual fan and the numerical simulation. In the present paper, the mechanism of the discrete frequency noise generated due to the separated flow of the diffuser is reported. The optimized bare ratio was in the vicinity of 17 degrees. The fan separated inside of the diffuser generated the discrete frequency noise due to interaction between the reversed flow from the diffuser and the impeller rotating with the blade passing frequency. The efficient outlet angle existed within 10 degrees to 15 degree. The diffuser made by the outlet angle contributed for increasing the pressure ratio than that of the bare ratio. Furthermore, it was clarified that to restrain the separation in the diffuser is effective for decreasing the fan noise. |
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書誌情報 |
長崎大学大学院工学研究科研究報告 en : Reports of Graduate School of Engineering, Nagasaki University 巻 42, 号 79, p. 1-8, 発行日 2012-07 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 18805574 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA12601998 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
出版者 | ||||||
出版者 | 長崎大学大学院工学研究科 | |||||
出版者別言語 | ||||||
Graduate School of Engineering, Nagasaki University | ||||||
sortkey | ||||||
1 | ||||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 長崎大学大学院工学研究科研究報告, 42(79), pp.1-8; 2012 |