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Numerical investigation of the effects of shock tube geometry on the propagation of an ideal blast wave profile
Li, X. D.; Hu ZM(胡宗民); Jiang ZL(姜宗林); Hu, ZM (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab High Temp Gas Dynam, Beijing 100190, Peoples R China.; Hu, ZM (reprint author), Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China.
2017-09-01
发表期刊SHOCK WAVES
卷号27期号:5页码:771-779
ISSN0938-1287
摘要Bio-shock tubes (BSTs) can approximately simulate the typical blast waves produced by nuclear or chemical charge explosions for use in biological damage studies. The profile of an ideal blast wave in air is characterized by the overpressure, the negative pressure, and the positive pressure duration, which are determined by the geometric configurations of BSTs. Numerical experiments are carried out using the Eulerian equations by the dispersion-controlled dissipative scheme to investigate the effect of different structural components on ideal blast waveforms. The results show that cylindrical and conical frustum driver sections with an appropriate length can produce typical blast wave profiles, but a flattened peak pressure may appear when using a tube of a longer length. Neither a double-expansion tube nor a shrinkage tube set in BSTs is practical for the production of an ideal blast waveform. In addition, negative pressure recovery will occur, exceeding the ambient pressure with an increase in pressure in the vacuum section.
关键词Blast Wave Profile Biological Shock Tube Blast Overpressure Geometrical Configuration
DOI10.1007/s00193-017-0716-x
收录类别SCI
语种英语
WOS记录号WOS:000408652700006
项目资助者This work is supported by the National Natural Science Foundation of China under Grant No. 11532014
课题组名称LHD激波与爆轰物理
论文分区Q3
力学所作者排名1
引用统计
文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/60938
专题高温气体动力学国家重点实验室
通讯作者Hu, ZM (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab High Temp Gas Dynam, Beijing 100190, Peoples R China.; Hu, ZM (reprint author), Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China.
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GB/T 7714
Li, X. D.,Hu ZM,Jiang ZL,et al. Numerical investigation of the effects of shock tube geometry on the propagation of an ideal blast wave profile[J]. SHOCK WAVES,2017,27(5):771-779.
APA Li, X. D.,胡宗民,姜宗林,Hu, ZM ,&Hu, ZM .(2017).Numerical investigation of the effects of shock tube geometry on the propagation of an ideal blast wave profile.SHOCK WAVES,27(5),771-779.
MLA Li, X. D.,et al."Numerical investigation of the effects of shock tube geometry on the propagation of an ideal blast wave profile".SHOCK WAVES 27.5(2017):771-779.
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