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プロペラファンの翼先端相対流れ場と周期的な空力騒音に関する研究
http://hdl.handle.net/10069/35515
http://hdl.handle.net/10069/3551537071b63-7fe4-4b30-9fae-0f326fb0b011
名前 / ファイル | ライセンス | アクション |
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45_85_35.pdf (1.6 MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2015-07-01 | |||||
タイトル | ||||||
タイトル | プロペラファンの翼先端相対流れ場と周期的な空力騒音に関する研究 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Fan | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Turbomachinery | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Tip Vortex | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Aerodynamic Noise | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Wake | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Velocity Distribution | |||||
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× 日高, 央也 |
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著者別名 | ||||||
姓名 | Sasaki, Soichi | |||||
著者別名 | ||||||
姓名 | Hidaka, Hisanari | |||||
その他のタイトル | ||||||
その他のタイトル | Study of Relative Flow Field in the Blade Tip and Periodical Aerodynamic Noise of a Propeller Fan | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | In order to clarify the main factor of the periodical aerodynamic noise in the off-design point of the propeller fan, the relative flow field in the blade tip is measured by the hot-wire anemometer with the phase-lock method. In particular, we discuss the influence of the rotational speed of the impeller experimentally for clarifying the relationship between the relative flow field and the periodical aerodynamic noise. When the propeller fan is operated at the off-design point, the periodaical aerodynamic noise is generated in the lower frequency domain than that of the blade passing frequency. The energy of the velocity fluctuation in the leading edge of the blade tip became large at the same frequency band of the periodical aerodynamic noise. We indicated experimentally that the leakage flow at the leading edge in the relative flow did not interfere to the next blade. These experimental results indicate the periodical aerodynamic noise was generated because the pressure fluctuation due to the leakage flow became strong. | |||||
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 45, 号 85, p. 35-40, 発行日 2015-07 |
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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 | ||||||
6 | ||||||
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, 45(85), pp.35-40; 2015 |