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Prediction of Sound Pressure Level of Turbulent Noise Generated from Multiple-Disk Fans
http://hdl.handle.net/10069/24440
http://hdl.handle.net/10069/2444030642f70-5ae2-4c34-900c-a0dd4a2de06a
名前 / ファイル | ライセンス | アクション |
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kogaku24_43_02.pdf (1.7 MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2010-11-05 | |||||
タイトル | ||||||
タイトル | Prediction of Sound Pressure Level of Turbulent Noise Generated from Multiple-Disk Fans | |||||
言語 | ||||||
言語 | eng | |||||
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 |
Kodama, Yoshio
× Kodama, Yoshio× Hayashi, Hidechito× Tanaka, Kiyohiro× Haraga, Hisato× Hamada, Yasuo× Akamatsu, Katushi |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We proposed a theory for estimating the spectral density distribution and over all sound pressure level of the turbulent noise radiated from multiple-disk fans. In the theory, correlations between the longitudinal and lateral correlation lengths, and the pressure spectral densities were used. The effects of casing on the radiated noise were experimentally made clear by comparing the spectral density distributions with and without casing. The validity of theoretically obtained formula was examined with respect to the effects of such parameters as; the gap between two disks, the rotational frequency, the number of disks, the thickness of disks, the radius of impeller and the flow rate. The agreement between the theoretical and the experimental results was fairly satisfactory. | |||||
書誌情報 |
長崎大学工学部研究報告 en : Reports of the Faculty of Engineering, Nagasaki University 巻 24, 号 43, p. 117-128, 発行日 1994-07 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 02860902 | |||||
EISSN | ||||||
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 | AN00178418 | |||||
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 | 長崎大学工学部 | |||||
出版者別言語 | ||||||
Faculty of Engineering, Nagasaki University | ||||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 長崎大学工学部研究報告, 24(43), pp.117-128; 1994 |