超高速平頭翼形の疑似スーパキャビテーション領域における特性

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  • Supercavitation performance of three typical high-speed hydrofoils with pseudo-Kirchhoff noses, especially within the pseudo-supercavitating region.
  • チョウコウソク ヒラアタマ ヨクガタ ノ ギジ スーパキャビテーション リョウ

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For a sufficiently wider range in low cavitation numbers of technical interest, we mainly observed "pseudo-supercavitation" around a typical supercavitating hydrofoil, whose cavity was filled with a bubble cloud. As the first step to find good performance hydrofoils, in this paper, supercavitation performances were systematically tested for three typical high-speed hydrofoils with pseudo-Kirchhoff noses in the pseudo-supercavitating region. The hydrofoils have no weak point in the leading edge strength, and one of then shows fairly high lift-drag-ratio compared with other existing hydrofoils.

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