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浓度梯度对瓦斯爆炸影响的数值模拟

DOI: 10.15918/j.tbit1001-0645.2015.04.002

Keywords: 瓦斯爆炸 高精度计算 爆轰波 WENO格式

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Abstract:

针对煤矿巷道中存在瓦斯浓度梯度的问题,基于时间上的TVD Runge-Kutta格式,空间上的5阶加权本质振荡(WENO)格式离散控制方程组,自主研发了高精度大规模的并行计算程序. 利用该程序模拟了煤矿巷道中的爆轰波的传播过程. 研究结果得出了纵向和横向浓度梯度对瓦斯爆炸的影响规律,模拟结果与理论分析结果基本吻合

References

[1]  范启炜,王魁军,曹林.我国煤矿瓦斯灾害事故频发的原因分析[J].中国煤炭,2003,29(7):9-11. Fan Qiwei, Wang Kuijun, Cao Lin. The analysis of China coal mine gas disaster[J]. China Coal, 2003,29(7):9-11. (in Chinese)
[2]  朱红青,常文杰.掘进巷道停风后瓦斯浓度分布规律探讨[J].煤炭科学技术,2003,31(2):48-50. Zhu Hongqing, Chang Wenjie. Discussion on gas density distribution law after ventilation fan stopped in mine excavation roadway[J]. Coal Science and Technology, 2003,31(2):48-50. (in Chinese)
[3]  Li Shugang, Zhang Tianjun. Catastrophic mechanism of coal and gas outbursts and their prevention and control[J]. Mining Science and Technology, 2010(2):209-214.
[4]  赵军凯,王磊,滑帅.瓦斯浓度对瓦斯爆炸影响的数值模拟研究[J].矿业安全与环保,2012,39(4):1-4. Zhao Junkai, Wang Lei, Hua Shuai. Numerical investigation on influence of gas concentration on gas explosion propagation[J]. Mining Safety and Environment Protection, 2012,39(4):1-4. (in Chinese)
[5]  胡铁柱.瓦斯爆炸传播规律数值模拟研究[D].北京:中国矿业大学(北京),2008. Hu Tiezhu. Simulation study on the propagation of gas explosion[D]. Beijing: China University of Mining and Technology, Beijing, 2008. (in Chinese)
[6]  Ishii K, Kojima M. Behavior of detonation propagation in mixtures with concentration gradients[J]. Shock Waves, 2007,17:95-102.
[7]  Ettner F, Vollmer K G, Sattelmayer T. Mach reflection in detonations propagating through a gas with a concentration gradient[J]. Shock Waves, 2008,15:100-120.
[8]  Taki S, Fujiwara T. Numerical analysis of two-dimensional nonsteady detonations[J]. American Institute of Aeronautics and Astronautics, 1978,16:73-77.
[9]  Wang C, Ma T B, Lu J. Influnce of obstacle disturbance in a duct on explosion characteristics of coal gas[J]. Science China, Physics, Mechanics & Astronomy, 2010,53:269-278.
[10]  Jiang G S, Shu C W. Efficientimplementation of weighted ENO schemes[J]. Journal of Computational Physics, 1996,126:202-228.
[11]  刘儒勋,舒其望.计算流体力学的若干新方法[M].北京:科学出版社,2003. Liu Ruxun, Shu Qiwang. Several new computational fluid dynamics method [M]. Beijing:Science Press, 2003. (in Chinese)
[12]  Knystautas R, Lee J H, Guirao C M. The critical tube diameter for detonation failure in hydrocarbon-air mixtures[J]. Combustion and Flame, 1982,48:63-83.
[13]  郑有山,王成.变截面管道对瓦斯爆炸特性影响的数值模拟[J].北京理工大学学报,2009,29(11):947-949. Zheng Youshan, Wang Cheng. Numerical simulation for the influence of variable crass-section tube on explosion characterisitics of Methane[J]. Transactions of Beijing Institute of Technology, 2009,29(11):947-949. (in Chinese)

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