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《Journal of Aerospace Power》 2008-11
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Validation of an uncoupled solver of non-equilibrium flow for shock-induced combustion

SUN Ming-bo,LIANG Jian-han,WANG Zhen-guo(College of Aerospace and Materials Engineering,National University of Defense Technology,Changsha 410073,China)  
An improved uncoupled solver of non-equilibrium flow was introduced and developed in this study.The splitting of convective species flux was uncoupled from the N-S equations and based on the splitting result of the convective density flux.Inviscid flux was calculated with fifth-order weighted essentially non-oscillatory scheme.Simplified implicit formulation was adopted to deal with the stiffness generated by the chemical reacting source term of every separate species equation.Shock-induced combustion phenomena of a blunt body in stoichiometric H2/O2 and H2/Air mixture were calculated to validate the solver.The steady and unsteady shock-induced combustion flowfields agree favorably well with the experimental observation.Oscillating frequencies of unsteady case agree well with the experimental data.The results indicate that the method is sufficiently efficient in the application to multi-species and multi-reaction flow.
【Fund】: 国家自然科学基金(90505009)
【CateGory Index】: V231.2
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【Citations】
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
2 LIU Jun (Institute of Aerospace and Material Enginerring,National University Defence Technology, Changsha, 410073,China);A new nonequilibrium numerical method and simulation of oscillating shock-induced combustion[J];Acta Aerodynamica Sinica;2003-01
【Co-citations】
Chinese Journal Full-text Database 4 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
2 LIU Jun (Institute of Aerospace and Material Enginerring,National University Defence Technology, Changsha, 410073,China);A new nonequilibrium numerical method and simulation of oscillating shock-induced combustion[J];Acta Aerodynamica Sinica;2003-01
3 LIU Jun~1, YANG Yan-guang~2(1.College of Aerospace and Material Engineering,NUDT, Changsha, Hunan410073,China;2.China Aerodynamics Research and Development Center, Mianyang, Sichuan621000,China);Numerical simulation of lateral jet control of a hypersonic missile[J];Acta Aerodynamica Sinica;2004-03
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