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用Euler_Lagrange模型模拟气液两相爆轰
申华; 刘凯欣; 张德良
Source Publication北京力学会第18届学术年会论文集
2012
Pages9-10
Conference Name北京力学会第18届学术年会
Conference Date2012-01-09
Conference Place中国北京
Abstract本文针对颗粒在气体中的爆轰过程,建立了一种有效的Euler_Lagrange两相爆轰模型。该模型用Euler坐标描述气相的流动,而颗粒相则用Lagrange坐标追踪每一个颗粒的位置、速度、质量及温度,同时考虑两相之间质量、动量和能量的相互作用。我们将该模型结合时-空守恒元解元(CE/SE)方法用于模拟不同颗粒半径、不同当量比的C10H22(液体颗粒)在氧气和空气中的爆轰过程。通过将数值结果与实验结果和CJ理论预测的结果进行比较发现,本文提出的模型能够准确模拟气液两相爆轰现象。
Keyword气液两相爆轰 时空守恒元-解元方法
DepartmentLHD激波与爆轰物理
Language中文
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/48495
Collection高温气体动力学国家重点实验室
Recommended Citation
GB/T 7714
申华,刘凯欣,张德良. 用Euler_Lagrange模型模拟气液两相爆轰[C]北京力学会第18届学术年会论文集,2012:9-10.
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