A242 ケーシング形状がロケットエンジン用ターボポンプインデューサの内部流れに与える影響(A-24 流体一般(7),一般講演)

概要

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It is well known that the rotating cavitation could be suppressed with the optimized configuration at the casing inlet. To examine the inducer internal flow, PIV visualizations were conducted by using two types of the casing. One is a casing with step type liner (wide tip clearance) which suppresses the rotating cavitation. The other is a casing without step, which has no effect for the suppression of the rotating cavitation. With the comparison of the PIV visualization results, it found that the backflow from the tip clearance played a major role to suppress the rotating cavitation.
2004-08-09