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DALIAN UNIVERSITY OF TECHNOLOGY Login 中文
周一卉

Associate Professor
Supervisor of Master's Candidates


Gender:Female
Alma Mater:Dalian University of Technology
Degree:Doctoral Degree
School/Department:Chemical Engineering
Discipline:Safety Science and Engineering. Chemical Process Equipment
Business Address:Room H403,West Dist.,DUT
Contact Information:13500780440
E-Mail:zflower@dlut.edu.cn
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Current position: Home >> Scientific Research >> Paper Publications

管道内障碍物条件下预混火焰传播过程数值模拟

Hits : Praise

Indexed by:会议论文

Date of Publication:2011-08-11

Page Number:226-228

Key Words:气体爆炸;预混燃烧;火焰速度;障碍物

Abstract:为理解障碍对爆炸火焰传播的加速机理,本文建立了预混燃烧模型,对密闭管道内设置障碍物条件下预混甲烷-空气爆炸进行了三维数值模拟,着重分析了障碍物对火焰变形、火焰加速以及流场的影响;模拟结果表明,障碍物的存在改变了火焰阵面前的流场,火焰越过障碍物时,最大火焰速度达到50m·s-1,约为没有障碍物时的2.5倍;研究内容揭示了障碍物条件下火焰加速机理.