Parallel Fully-Implicit Computation of Magnetohydrodynamics Acceleration Experiments

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	Parallel Fully-Implicit Computation of Magnetohydrodynamics Acceleration Experiments
	Wan T; Wan T(万田); Wan T; Wan T(万田)
	2010
会议名称	2nd International Symposium on Computational Mechanics
会议日期	NOV 30-DEC 03, 2009
通讯作者邮箱	wtsmile@126.com
会议地点	Hong Kong, PEOPLES R CHINA
关键词	Electron-Temperature Joule Heating Fully-Implicit Method
页码	1553-1558
通讯作者	Wan T
中文摘要	A three-dimensional MHD solver is described in the paper. The solver simulates reacting flows with nonequilibrium between translational-rotational, vibrational and electron translational modes. The conservation equations are discretized with implicit time marching and the second-order modified Steger-Warming scheme, and the resulted linear system is solved iteratively with Newton-Krylov-Schwarz method that is implemented by PETS,: package. The results of convergence tests arc plotted, which show good scalability and convergence around twice faster when compared with the DPLR method. Then five test runs are conducted simulating the experiments done at the NASA Ames MHD channel, and the calculated pressures, temperatures, electrical conductivity, back EMF, load factors and flow accelerations are shown to agree with the experimental data. Our computation shows that the electrical conductivity distribution is not uniform in the powered section of the MHD channel, and that it is important to include Joule heating in order to calculate the correct conductivity and the MHD acceleration.
收录类别	CPCI(ISTP)
合作状况	国际
会议录	ISCM II AND EPMESC XII, PTS 1 AND 2
语种	英语
ISSN号	0094-243X
ISBN号	978-0-7354-0778-7
内容类型	会议论文
源URL	[http://dspace.imech.ac.cn/handle/311007/44318]
专题	力学研究所_高温气体动力学国家重点实验室
通讯作者	Wan T; Wan T
推荐引用方式 GB/T 7714	Wan T,Wan T,Wan T,et al. Parallel Fully-Implicit Computation of Magnetohydrodynamics Acceleration Experiments[C]. 见:2nd International Symposium on Computational Mechanics. Hong Kong, PEOPLES R CHINA. NOV 30-DEC 03, 2009.