| 密闭容器内微米级铝粉爆炸实验研究与数值模拟 |
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| 引用本文： | 喻健良,闫兴清,陈玲.密闭容器内微米级铝粉爆炸实验研究与数值模拟[J].工业安全与环保,2011,37(11):12-15. |
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| 作者姓名： | 喻健良 闫兴清 陈玲 |
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| 作者单位： | 大连理工大学化工机械学院 辽宁大连116011 |
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| 摘 要： | 对微米级铝粉在1.3 L Hartmann管中的爆炸特性进行了实验研究.分析了最大爆炸压力pmax及最大压力上升速率(dp/dt)max与延迟点火时间t、粉尘浓度c、粉尘粒径d的关系.基于CFD计算软件Fluent 6.3建立了Hartmann管内微米级铝粉爆炸数值模拟模型,分析了火焰发展过程,将pmax、(dp/dt...
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| 关 键 词： | 密闭容器 铝粉 爆炸特性 数值模拟 |
Experimental and Numerical Simulation Study on Aluminum Dust Explosion in Confined Space |
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| YU Jianliang,YAN Xingqing,CHEN Ling.Experimental and Numerical Simulation Study on Aluminum Dust Explosion in Confined Space[J].Industrial Safety and Dust Control,2011,37(11):12-15. |
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| Authors: | YU Jianliang YAN Xingqing CHEN Ling |
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| Institution: | YU Jianliang YAN Xingqing CHEN Ling(School of Chemical Machinery,Dalian University of Technology Dalian,Liaoning 116012) |
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| Abstract: | The explosive characteristics of micron-grade aluminum dust is investigated in 1.3L Hartmann bomb.The relationship between the maximum pressure pmax,the maximum rate of pressure rise(dp/dt)max and ignition delay time t,dust concentration c,diameter d is analyzed.The numerical model of aluminum dust explosion in Hartmann bomb is established based on the CFD software.The flame propagation is analyzed according to the numerical results.The comparison of pmax,(dp/dt)max between numerical and experimental values... |
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| Keywords: | confined space aluminum dust explosive characteristics numerical simulation |
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