J0101-2-2 斜め衝撃波を通過する微粒子挙動の数値的研究(エネルギーと環境問題におけるマルチフィジィックスCFDシミュレーション(2))

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Sand erosion and deposition are factors of fatal damage and performance deterioration of gas turbines. Both phenomena are caused by collisions of solid particles with a solid surface. To protect gas turbines from these fatal problems, it is important to know the behavior of solid particles in gas flow. In general, oblique shock waves take place in the passages of transonic compressor where the fatal phenomena may occur. However, the behavior of the solid particle passing through an oblique shock wave is not well known. We numerically investigate the effects of gravity force, drag force, added mass force, pressure gradient force, and Magnus force on the motion of solid particles which pass through an oblique shock wave.
社団法人日本機械学会の論文
2009-09-12