Numerical simulation of hot gas nozzle flows

被引:6
|
作者
Gross, A
Weiland, C
机构
[1] Univ Arizona, Dept Aerosp & Mech Engn, Tucson, AZ 85721 USA
[2] European Aeronaut Def & Space Co, D-81663 Munich, Germany
关键词
D O I
10.2514/1.5001
中图分类号
V [航空、航天];
学科分类号
08 ; 0825 ;
摘要
A numerical method for the simulation of hot gas nozzle flows is explained. This method solves the Reynolds-averaged Navier-Stokes equations in a finite volume context. Numerical simulations of the Vulcain and Vulcain 2 separated nozzle flows are presented. For these simulations, three different gas models were used: The gas was assumed to be either a) a perfect gas, b) in chemical equilibrium, or c) in chemical nonequilibrium. Comparisons with experimental data are provided. Free-shock separation, restricted-shock separation and cap-shock patterns are discussed. Postcombustion in the shear layer where the hydrogen-rich nozzle gas mixes with the ambient air is investigated.
引用
收藏
页码:879 / 891
页数:13
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