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Title:
Numerical investigation of the effects of shock tube geometry on the propagation of an ideal blast wave profile
Author: Li, X. D.; Hu ZM(胡宗民); Jiang ZL(姜宗林)
Source: SHOCK WAVES
Issued Date: 2017-09-01
Volume: 27, Issue:5, Pages:771-779
Abstract: 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.
Keyword: Blast wave profile ; Biological shock tube ; Blast overpressure ; Geometrical configuration
Language: 英语
Indexed Type: SCI
Corresponding Author: 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.
Correspondent Email: huzm@imech.ac.cn
DOI: 10.1007/s00193-017-0716-x
DOC Type: Article
WOS ID: WOS:000408652700006
ISSN: 0938-1287
Funder: This work is supported by the National Natural Science Foundation of China under Grant No. 11532014
Department: LHD激波与爆轰物理
Classification: Q3
Ranking: 1
Citation statistics:
Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/60938
Appears in Collections:高温气体动力学国家重点实验室_期刊论文

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Recommended Citation:
Li, X. D.,Hu ZM,Jiang ZL. Numerical investigation of the effects of shock tube geometry on the propagation of an ideal blast wave profile[J]. SHOCK WAVES,2017-09-01,27(5):771-779.
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