Vortex Structures in Gaseous Detonation Flow Fields
The two-dimensional, time-dependent, reactive Navier- Stokes equations including the effects of viscosity, thermal conduction and molecular diffusion were solved to reveal the vortex structures and vortex dynamics involved in gaseous detonation flow fields. The computation was performed for hydrogen-oxygen- argon mixtures at the low initial pressure, using detailed chemical reaction model. The results show that, a large amount of vortices forms in detonation flow fields. The intrinsic three-dimensional structures, wall geometry with sudden area change or the shock wave possibly causes the slip line to lose its stability, and then induces the vortex generation. The slip line, in marginal detonation is more unstable and produces more vortices than that in ordinary detonation.
gaseous detonation wave vortex detailed chemical reaction model numerical simulation
WANG Changjian GUO Changming
State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei 230027, A Department of Mechanics and Mechanical Engineering, University of Science and Technology of China, H
国际会议
西安
英文
441-444
2007-10-23（万方平台首次上网日期，不代表论文的发表时间）