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NAOSITE : Nagasaki University's Academic Output SITE > Faculty of Engineering > Bulletin > Reports of the Faculty of Engineering, Nagasaki University > Volume 36, No. 66 >


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Title: 多翼ファンの渦流動損失に及ぼす弦節比の影響
Other Titles: Influence of the Solidity on the Vortex Flow Losses of a Multiblade Fan
Authors: 佐々木, 壮一 / 児玉, 好雄 / 林, 秀千人 / 大山, 真吾 / 宇都, 太一
Authors (alternative): Sasaki, Soichi / Kodama, Yoshio / Hayashi, Hidechito / Oyama, Shingo / Uto, Taichi
Issue Date: 10-Feb-2006
Publisher: 長崎大学工学部
Citation: 長崎大学工学部 研究報告 REPORTS OF THE FACULTY OF ENGINEERING 36(66). p.33-40, 2006
Abstract: The inclusive influence on the flow losses of the design parameter of a multiblade fan was analyzed by the solidity of the impeller. In an analytical theory of the flow losses, a flow loss caused by the biased flow around the impeller was proposed. The upper limit on the design of the solidity was 2.5, and the solidity made to linear design the flow losses of the fan until the upper limit. When the solidity of the impeller was designed small, the total pressure of the fan at the same design flow rate quantity became high. In the design condition that the solidity was smaller than 2.5, it was considered that the total pressure of the fan was influenced by the slip factor rather than the sum flow loss. On the other hand, when the solidity was greater than 2.5, it was considered that the wake loss and the vortex flow loss influenced the total pressure of the fan.
URI: http://hdl.handle.net/10069/4936
ISSN: 18805574
Relational Links: http://www.lb.nagasaki-u.ac.jp/reports/kougaku/preview.php?id=24
Type: Departmental Bulletin Paper
Appears in Collections:Volume 36, No. 66

Citable URI : http://hdl.handle.net/10069/4936

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