IMECH-IR  > 力学所知识产出(1956-2008)
Prediction of Premixed Flame Propagation in a Vented Cylindrical Vessel
Hu J; Wan SX(万士昕); Pu YK(蒲以康); Jia F(贾复)
Source PublicationProceedings of the 2003 International Autumn Seminar on Propellants, Explosives and Pyrotechnics (2003 IASPEP) - Theory and Practice of Energetic Materials
2003
Conference NameProceedings of the 2003 International Autumn Seminar on Propellants, Explosives and Pyrotechnics (2003 IASPEP) - Theory and Practice of Energetic Materials
Conference DateOctober 15, 2003 - October 18, 2003
Conference PlaceGuilin, China
AbstractA numerical model based on k - Ε turbulent model and EBU-Arrhenius turbulent combustion model is applied to simulate the venting process in cylindrical vessel (L/D =5.6).The flow fields of venting occurred at venting pressure of 0.02 MPa through different vent area show that during venting process the flame propagation and deformation is intensified by a venting induced flow; vent area is the main factor for determining the vent inducing flow. Small vent area and low venting pressure produce weak venting induced flow; large vent area usually produces a relatively strong venting induced flow; even the venting pressure is low. The squish flow and reverse flow which induced the velocity gradient is the possible mechanism of tulip flame.
KeywordExplosion Venting Flame Propagation Tulip Flam Velocity Gradient
WOS IDWOS:000188997600102
ISBN7-03-012202-X
Indexed ByCPCI-S ; EI
Language英语
Citation statistics
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/60269
Collection力学所知识产出(1956-2008)
Recommended Citation
GB/T 7714
Hu J,Wan SX,Pu YK,et al. Prediction of Premixed Flame Propagation in a Vented Cylindrical Vessel[C],2003.
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