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《Acta Aerodynamica Sinica》 2008-02
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An uncoupled method for numerical simulation of the nonequilibrium flow in COIL

ZHANG Li,YE Zheng-yin,WANG Gang(National Key Laboratory of Aerodynamic Design and Research,Northwestern Polytechnical University,Xi′an 710072,China)  
An uncoupled method was introduced to simulate numerically nonequilibrium flow which had the stiffness problem.Mixing reaction flows in COIL are simulated by solving the Reynolds averaged Navier-Stokes equations and species continuity equations.Equations are solved using four-stage Runge-Kutta time-stepping scheme on structured viscous mesh.The simulations are carried out with AUSM+up scheme.The method employs finite-rate chemistry and thermodynamic perfect gas properties for chemical reaction.The stiffness problem of chemical source is overcome by a semi-implicit method.The COIL numerical results are in good agreement with the results of AeroSoft's GASP[8].
【Fund】: 教育部高等学校优秀青年教师教学科研奖励计划资助
【CateGory Index】: O362
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Chinese Journal Full-text Database 2 Hits
1 LIU Jun 1, ZHANG Han xin 2, GAO Shu chun 2 (1 College of Aerospace and Material Engineering, National Univ. of Defense Technology, Changsha 410073, China; 2 China Aerodynamics Research & Development Center, Mianyang 621000, China);A New Uncoupled Method for Numerical Simulation of Nonequilibrium flow[J];Journal of National University of Defense Technology;2000-05
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Chinese Journal Full-text Database 10 Hits
1 Liu Jun (Institute of Aerospace and Material Engineerring,National University Defence Technology,Changsha,410073)$$$$;NUMERICAL STUDY ON THE NON-EQUILIBRIUM FLOW OF RAM ACCELERATOR IN THE COMBUSTIVE MIXTURE GAS[J];Journal of Ballistics;2002-04
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【Secondary Citations】
Chinese Journal Full-text Database 3 Hits
1 WANG Gang, YE Zhengyin(Department of Aircraft Engineering, Northwestern Polytechnical University, Xi′an710072, China);Generation of Three Dimensional Mixed and Unstructured Grids and its Application in Solving Navier-Stokes Equations[J];Acta Aeronautica Et Astronautica Sinica;2003-05
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