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Numerical calculation of the bubbly two-phase flow around an airfoil |
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| Authors: | Hideji Nishikawa Yoichiro Matsumoto and Hideo Ohashi |
| Affiliation: | a Research & Engineering Division, Aero-Engine & Space Operations, Ishikawajima-Harima Heavy Industries, 3-5-1 Mukoudai-cho, Tanashi-shi, Tokyo 188, Japan b Department of Mechanical Engineering, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113, Japan |
| Abstract: | A model and the governing equations of two-phase bubbly flow are proposed; and the bubbly two-phase flow around an airfoil was calculated using a method based on the MacCormack method combined with the boundary-conforming curvilinear coordinates system. The compressibility and slip motion of the bubbles are considered in the calculation. The result revealed a wide ranging distribution of pressure and Mach number compared with single-phase flow. The effect of the slip velocity is also observed to be important in calculating the bubbly flow. |
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