Research status and development trend of combustible gas explosion venting characteristics

LI Runzhi; LIU Mingshuai; HUANG Zichao; CAO Mengting; CHEN Xu; WANG Xiao

doi:10.11883/bzycj-2024-0493

Article Contents

Article Navigation > Explosion And Shock Waves > 2025 > Accepted Manuscript

LI Runzhi, LIU Mingshuai, HUANG Zichao, CAO Mengting, CHEN Xu, WANG Xiao. Research status and development trend of combustible gas explosion venting characteristics[J]. Explosion And Shock Waves. doi: 10.11883/bzycj-2024-0493

Citation:

LI Runzhi, LIU Mingshuai, HUANG Zichao, CAO Mengting, CHEN Xu, WANG Xiao. Research status and development trend of combustible gas explosion venting characteristics[J]. Explosion And Shock Waves. doi: 10.11883/bzycj-2024-0493

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Research status and development trend of combustible gas explosion venting characteristics

doi: 10.11883/bzycj-2024-0493

1.
College of Safety and Environmental Engineering, Shandong University of Science and Technology, Qingdao 266590, Shandong, China
2.
Fire and Explosion Prevention Research Branch, China Coal Technology and Engineering Group Chongqing Research Institute, Chongqing 400037, China

Received Date: 2024-12-19
Rev Recd Date: 2025-05-22

Available Online: 2025-05-26

Abstract

Abstract

Explosion venting is one of the effective ways to prevent and control the hazards of combustible gas explosions, but the process of venting there may be a secondary explosion of the external venting gas cloud, how to achieve an effective explosion venting of combustible gas explosions to reduce the hazards posed by the explosion, has become a key direction of the current research. To this end, from the combustible gas explosion characteristics, combustible gas explosion venting characteristics and explosion venting of the external flow field of the secondary explosion and other aspects of the current domestic and foreign combustible gas explosion venting characteristics of the current research situation is summarized and analyzed, and found that the explosion risk of the pluralistic mixed system is difficult to accurately predict and evaluate, the internal and external flow field coupling explosion venting mechanism is not yet in-depth, the characterization of the explosion venting effect and the critical conditions of the secondary explosion is unknown. Based on the above problems, the outlook from the exploration of combustible gas explosion risk and disaster-causing mechanism, deepen the combustible gas explosion venting overpressure and flame evolution characteristics of the study, revealing the formation mechanism of the secondary explosion of the explosion venting external flow field. This provides an important reference for the future study of combustible gas explosion venting.
- combustible gas,
- explosion venting,
- explosion mechanism,
- secondary explosion,
- outflow field,
- pressure wave,
- flame wave

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References(93)

References

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