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首页> 美国政府科技报告 >Numerical Computation of Shock Wave-Turbulent Boundary Layer Interaction in Transonic Flow over an Axisymmetric Curved Hill
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Numerical Computation of Shock Wave-Turbulent Boundary Layer Interaction in Transonic Flow over an Axisymmetric Curved Hill

机译：轴对称曲线上跨声速冲击波 - 湍流边界层相互作用的数值计算

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摘要

A control-volume based finite difference computation of a turbulent transonic flow over an axisymmetric curved hill is presented. The numerical method is based on the SIMPLE algorithm, and hence the conservation of mass equation is replaced by a pressure correction equation for compressible flows. The turbulence is described by a k-epsilon turbulence model supplemented by a near-wall turbulence model. In the method, the dissipation rate in the region very close to the wall is obtained from an algebraic equation and that for the rest of the flow domain is obtained by solving a partial differential equation for the dissipation rate. The other flow equations are integrated up to the wall. It is shown that the present turbulence model yields the correct location of the compression shock. The other computational results are also in good agreement with experimental data.

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