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Unidimensional Two Phase Flow Numerical Computation of Aluminum Dust Detonation Based on CE/SE Method(PDF)

南京师范大学学报（工程技术版）[ISSN:1006-6977/CN:61-1281/TN]

Issue:
2012年02期
Page:
53-56
Research Field:
Publishing date:

Info

Title:
Unidimensional Two Phase Flow Numerical Computation of Aluminum Dust Detonation Based on CE/SE Method
Author(s):
Wei Wei1; 2; Weng Chunsheng1
1.National Key Lab of Transient Physics,Nanjing University of Science and Technology,Nanjing 210094,China
Keywords:
aluminum dust; detonation; CE/SE method; numerical computation
PACS:
O381
DOI:
-
Abstract:
Uni-dimension two-phase model of aluminum dust-air detonation is created． Deflagration to detonation transition process of aluminum dust is numerical computated by using CE/SE method． Internal flow field of aluminum dust detonation tube is carried out． The variations of aluminum particle radius with time at different positions are studied． And the effects of ignition energy on deflagration to detonation transition process of aluminum dust are discussed． The results show that the lower the ignition energy，the longer distance to form a stable detonation． All the numerical results here provide some theoretical foundations for aluminum dust detonation research．

References:

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［3］李小东，刘庆明，白春华，等． 铝粉-空气混合物的燃烧转爆轰过程［J］． 火炸药学报， 2009， 32( 6) : 58-61． Li Xiaodong，Liu Qingming，Bai Chunhua，et al． Deflagration to detonation transition process in aluminum dust-air mixture ［J］． Journal of Explosives and Propellants，2009，32( 6) : 58-61． ( in Chinese)
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［5］翁春生，王浩． 计算内弹道［M］． 北京: 国防工业出版社， 2006: 85-90． Weng Chunsheng，Wang Hao． Computational Interior Ballistics［M］． Beijing: National Defense Industry Press，2006: 85-90． ( in Chinese)

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Last Update: 2013-03-11