Implicit TVD Schemes Applied to Gas-Droplet Detonation Calculation
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摘要: 为研究FAE(燃料-空气炸药)爆炸参数规律,运用二维轴对称气液两相方程组模型,针对其中的气相方程组采用高分辨率的隐式TVD格式,液相方程组采用MacCormack格式,较好地对FAE气液两相爆轰产生的爆轰波的发展和传播过程进行了数值模拟,计算结果与国内外的研究结果符合良好.Abstract: In order to investigate parameters of FAE(fuelair explosive) explosion,the two-phase gas-droplet conservation equations with two-dimensional axial symmetry in the Euler coordinate were used.High-resolution implicit TVD(total variation diminishing) schemes were applied to gas phase equations and MacCormack schemes to liquid equations.The formation and propagation of gas-droplet detonation wave were simulated numerically.The simulation results and the others are compared with a good agreement.
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Key words:
- two-phase flow /
- numerical simulation /
- TVD schemes /
- detonation wave
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[1] Yee H C,Warming R F.Implicit total variation diminishing schemes for steady-state calculation[J].J Comput Phys,1985,57(3):327~360. [2] Eidelman S,Burcat A.Evolution of a detonation wave in a cloud of fuel droplets[J].AIAA Journal,1980,18(9):1103~1236. [3] 田宙,郝保田,郭永辉.气液两相爆轰的数值模拟[J].第五次全国爆轰与冲击动力学学术会议论 文集,爆炸与冲击,1997,(增刊):426~431. -
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