2348 さまざまな3次元ダクトの出口から放出する衝撃波の衝突に関する研究(S46-4 圧縮性流れの基礎と応用(衝撃波2),S46 圧縮性流れの基礎と応用)

概要

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This paper describes computational work to understand the unsteady flow-fields formed by the shock wave impinging upon a plate plane. A flat plate is located normal to the axis of a duct. The distance between the exit of the duct and flat plate is changed. Two different duct geometries (i.e., square and cross) are simulated in the present computation. In computation, the TVD scheme is employed to solve three-dimensional, unsteady, compressible, Euler equations. Computational results can predict three-dimensional dynamic behavior of the shock wave impinging upon the plate plane. The results obtained show that for the duct with cross-type exit, the unsteady loads acting on the plate plane are less, compared with those for the square duct.
社団法人日本機械学会の論文
2006-09-15