年次大会講演論文集
Online ISSN : 2433-1325
会議情報
1308 相反転方式における羽根車干渉問題
大場 慎金元 敏明植村 耕治
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会議録・要旨集 フリー

p. 15-16

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抄録
Turbopumps have weak points, such as the pumping operation becomes unstable in the rising portion of the head characteristic and/or the cavitation occurs under the low suction head. To overcome simultaneously the both weak points, the authors have proposed the unique pumping system with counter-rotating mechanism. In this paper, the flow interactions in the counter-rotating impellers are discussed using the experimental results of the wall pressure. The flow at the front impeller inlet fluctuates in response to the front blade number and the flow fluctuation between the front and the rear impellers is affected mainly with the rear blade number.
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© 2003 一般社団法人日本機械学会
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