遠心過給機の特性に及ぼす翼數の影響

概要

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This paper describes the effect of number of blades on the performance of centrifugal supercharger. Experiments were carried on eighteen, nine and six blades on model impeller, and sixteen, eight and four blades on actual impeller. The results of these experiments showed that the more the number of blades, the better the performance of the supercharger, i. e. the overall adiabatic efficiency, pressure ratio, density ratio and so on. The conclusion of this research can briefly be stated as follows. "Let the number of blades be as much as possible, so far as the suction area be properly retained."
宇宙航空研究開発機構の論文