Experimental Study on Radial Turbine with Special Reference to the Influence of the Intermediate Blades

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  • ラジアルタービンに関する実験的研究 : 中間翼の効果
  • ラジアルタービン ニ カンスル ジッケンテキ ケンキュウ

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Abstract

Experiments were conducted to find out the influence of intermediate blades within the impeller channel on the performance characteristics of a radial turbine. In the first experiments, one or two intermediate blades were installed within each impeller channel respectively, and the influence of the number of intermediate blades upon the performance was examined. The results indicate that the installation of intermediate blades improves the performance considerably. The second experiments concern with the investigation of the effect of the length of the intermediate blade upon the performance for the case of a single intermediate blade in each blade channel. The most favorable length of the intermediate blade obtained from the experiments is about 0.4 or 0.5 times as long as the whole blade length.

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