Research progress on disaster effect of combustible gas explosion in long straight space

doi:10.16265/j.cnki.issn1003-3033.2021.04.018

Abstract

Abstract: In order to systematically study research results on disaster effect of combustible gas explosion, general steps for disaster consequence assessment were summarized based on characteristics of such explosion in long straight space. Then, theoretical calculating model, experimental research and numerical simulation results of combustible gas explosion load were discussed, and research progress on structural dynamic response and consequence assessment of explosion was explored. The results show that most of existing empirical formulas of gas explosion load, with their own range of application, are not universal. Test data concerning dynamic response of explosion structure in long straight space are few, and research results on pressure vessels are of limited value to study it. Moreover, standards of building and personnel damage under explosion shock wave have not been unified.

Key words: long straight space, combustible gas, explosion load, consequence evaluation, dynamic response

CLC Number:

X932

CAI Jiongwei, YANG Shigang, SUN Wensheng, YANG Ya, WANG Jian. Research progress on disaster effect of combustible gas explosion in long straight space[J]. China Safety Science Journal, 2021, 31(4): 133-140.

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