日本機械学会論文集 B編
Online ISSN : 1884-8346
Print ISSN : 0387-5016
直管内擬似衝撃波の数値シミュレーション
山根 隆一郎大島 修造中村 義行石井 利貞朴 明寛
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1993 年 59 巻 564 号 p. 2410-2415

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Pseudoshocks in straight channel flows were numerically simulated by solving the two-dimensional Reynolds-averaged Navier-Stokes equations. The object of the present simulation was to investigate the influence of parameters on the structure of pseudoshocks and to validate the model of the pseudoshock mechanism proposed in the previous paper. In this simulation, Harten-Yee's second order-accuracy TVD scheme was used for sharp resolution of the shock wave and numerical stability, and Baldwin-Lomax's algebraic model was used for turbulent flows. The computational results agreed well with the experimental ones and with the proposed model of λ-and X-type pseudoshocks.

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