A Method to Calculate Characteristics of Cavitating Propeller

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  • キャビテーションを起こしているプロペラの一性能計算法
  • キャビテーション オ オコシテ イル プロペラ ノ 1 セイノウ ケイサンホ

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Abstract

Based on a simple surface panel method named SQCM, we develop a method to calculate nonlinear cavity on 2-D wing by introducing the four kinds of cavity models, i.e. closed model, semi-closed model, open model and supercavitating model. This method gives pressure distribution, lift and drag of the wing. Then, by combining the QCM program, the concept of the equivalent 2-D wing and the present cavity calculation method, we obtain the characteristics of two cavitating propellers. Comparisons between calculated results and experimental ones confirm the usefulness of our method.

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