On the numerical technique for the simulation of hypervelocity test flows

doi:10.1016/j.compfluid.2014.09.039

	On the numerical technique for the simulation of hypervelocity test flows
	Hu ZM(胡宗民); Wang C(王春); Jiang ZL(姜宗林); Khoo BC; Hu ZM(胡宗民)
	2015-01-05
发表期刊	Computers & Fluids
卷号	106 页码:12-18
ISSN	0045-7930
摘要	A shock-expansion tube (SET) is one of the major ground test facilities to generate really high-enthalpy and hypervelocity test flows. However, the strong shock wave may give rise to chemically non-equilibrium characteristic flow feature in a SET. In addition, the test time duration of a SET is extremely short which leads to difficulties in measurements and flow diagnostics. It is therefore appropriate to consider employing CFD approach, coupled with available experimental data, to determine the characteristic of the test flow in a SET. The dispersion-controlled dissipative scheme (DCD) is used for our simulation of chemically non-equilibrium flows associated with a SET. In this paper, the several numerical issues which occur in the computational investigation of the test flow in our SET facility are discussed. A new flux splitting algorithm based on local characteristics is worked out for the DCD scheme to mitigate any spurious oscillations. With the mentioned updated DCD scheme, the computed results compare well with the experimental data provided for validation. (C) 2014 Elsevier Ltd. All rights reserved.
关键词	Hypervelocity Test Flow Dcd Scheme Flux-splitting Spurious Oscillation
学科领域	流体力学
DOI	10.1016/j.compfluid.2014.09.039
URL	查看原文
收录类别	SCI ; EI
语种	英语
WOS记录号	WOS:000346213200002
关键词[WOS]	SHOCK-CAPTURING SCHEMES ; EXPANSION TUBE ; OSCILLATIONS ; EVOLUTION
WOS研究方向	Computer Science ; Mechanics
WOS类目	Computer Science, Interdisciplinary Applications ; Mechanics
项目资助者	The work is supported by the National Natural Science Foundation of China under Grant Nos. 11142006 and 90916028.
课题组名称	LHD激波与爆轰物理
论文分区	二类/Q2
引用统计
文献类型	期刊论文
条目标识符	http://dspace.imech.ac.cn/handle/311007/49306
专题	高温气体动力学国家重点实验室
通讯作者	Hu ZM(胡宗民)
推荐引用方式 GB/T 7714	Hu ZM,Wang C,Jiang ZL,et al. On the numerical technique for the simulation of hypervelocity test flows[J]. Computers & Fluids,2015,106:12-18.
APA	Hu ZM,Wang C,Jiang ZL,Khoo BC,&胡宗民.(2015).On the numerical technique for the simulation of hypervelocity test flows.Computers & Fluids,106,12-18.
MLA	Hu ZM,et al."On the numerical technique for the simulation of hypervelocity test flows".Computers & Fluids 106(2015):12-18.

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