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Noise characteristics of centrifugal blower with low solidity cascade diffuser (Noise reduction by means of small groove located at LSD blade leading tip)
http://hdl.handle.net/10069/24541
http://hdl.handle.net/10069/245412cdd73a5-9fa4-4a45-a704-402157f91f3b
名前 / ファイル | ライセンス | アクション |
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JTS18_321.pdf (197.6 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2011-01-04 | |||||
タイトル | ||||||
タイトル | Noise characteristics of centrifugal blower with low solidity cascade diffuser (Noise reduction by means of small groove located at LSD blade leading tip) | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Centrifugal blower | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Diffuser performance | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Low solidity cascade diffuser | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Noise | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Secondary flow | |||||
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 | journal article | |||||
著者 |
Murakami, Tengen
× Murakami, Tengen× Ishida, Masahiro× Sakaguchi, Daisaku× Koba, Yu |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | This paper deals with the effect of the blade tip-groove of the low solidity cascade diffuser (LSD) on the blower characteristic and the noise generated by the LSD. The small grooves were set up at the root and/or tip near the leading edge of the LSD blade. In order to clarify the mechanism of noise increase due to LSD and also to reduce the noise, the relationships between the noise increase based on the LSD, the LSD performance and the secondary flow formed additionally by the tip-groove were investigated experimentally as well as numerically, especially analyzing flow behaviors in the LSD in view points of flow separation on the suction surface of the LSD blade and the secondary flow on the side walls. By reducing the stagnation region smaller near the root and/or tip of the LSD blade leading edge, the secondary flow behavior changes remarkably around the LSD blade, as a result, the noise level and the blower characteristics vary. It can be concluded that, by means of a small tip-groove located only at the shroud side near the LSD blade leading edge, the noise generated by the LSD can be reduced without deteriorations of the LSD performance and the blower characteristics as well. | |||||
書誌情報 |
Journal of Thermal Science 巻 18, 号 4, p. 321-324, 発行日 2009-12 |
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出版者 | ||||||
出版者 | Science Press, co-published with Springer-Verlag GmbH | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 10032169 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10958830 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1007/s11630-009-0321-0 | |||||
権利 | ||||||
権利情報 | c 2009 Science Press, Institute of Engineering Thermophysics, CAS and Springer Berlin Heidelberg. | |||||
権利 | ||||||
権利情報 | The original publication is available at www.springerlink.com | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Journal of Thermal Science, 18(4), pp.321-324; 2009 |