ロケットポンプインデューサの内部流れと非定常圧力変動におよぼすケーシング形状の影響

概要

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The effects of the inlet casing configurations on unsteady cavitation were examined with a 3-bladed inducer. The inlet flow and cavitation pattern in two different casings were visualized using PIV (particle image velocimetry) and high-speed video. It was found that the rotating cavitation would be suppressed when the tip clearance at the inducer inlet was increased. The vortex cavitation in tip leakage flow and cavitation in back flow is considered to affect the appearance of the rotating cavitation by the inlet casing configuration.
社団法人日本航空宇宙学会の論文