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力学学报  1994 

APPLICATIONS OF A SECOND-ORDER UPWIND TVD SCHEME TO NONEQUILIBRIUM HYPERSONIC FLOWS AROUND BLUNT-BODY
二阶迎风TVD数值格式在非平衡高超声速钝体绕流中的应用

Keywords: upwind TVD scheme,nonequilibrium,chemically relaxing,blunt-bodyflows
迎风TVD格式,非平衡,化学松弛,钝体绕流

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Abstract:

An explicit second-order upwind TVD scheme by H.C.Yee is first suc-cessfully extended to solve the viscous,diffussive,nonequilibrium,ionizing,hypersonic flowfields over a hemi-sphere.The governing gas-dynamic and species-continuity equations forlaminar flow are presented.The gas-dynamics/species continuity equations fully couplingprocedure is described in detail.Before this only the firstorder scheme and loosely coupledmethod was successfully used in this research field.The gais model for chemically relaxin...

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