关键词: 气动热力学;计算流体动力学;斜激波;数值解

Abstract: ince the author’s previous method relying on the approach of strongand weak shock angles gives accuracy not high enough, in this paper,original drivationsof formullae and solutions for direct determination of varying specific heat attachedoblique shock’s maximum wedge angle and minmum approaching Mach number aregiven.Illustrative examples using double precision programs produce satisfactory raversible solutions of the two parameters,i.e.with either of them given,another couldbe found exactly.Percentage errors of correspondent constant specific heat solutions with k=1.4 arealso given for reference.

Key words: Aerothermodynamics;Computational fluid dynamics;Oblique blast;Numerical solution