Blasting, Volume. 42, Issue 2, 13(2025)

Effect of Length-to-diameter Ratio on Overpressure Characteristics of Methane/Air Premixed Explosions

CHENG Jian-hua1,2, BAO Wen-wen1、*, YANG Xiao-lin1,2, DING Shuai-dong3, WENG Ying-kang1, and ZHANG Zi-jun1
Author Affiliations
  • 1School of Civil Engineering, Henan Polytechnic University, Jiaozuo 454003, China
  • 2International Joint Research Laboratory of Henan Province for Underground Space Development and Disaster Prevention, Jiaozuo 454003, China
  • 3China Railway 16th Bureau Group Co., Ltd., Beijing 100000, China
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    References(6)

    [2] [2] LEI Bai-wei, LI Chao, WANG Zheng, et al. Study on the effect of venting conditions on methane-air explosion characteristics in full-scale mine tunnel[J]. Thermal Science and Engineering Progress, 2024, 47: 102349.

    [8] [8] ZHANG Yan-song, CAO Meng-ting, LI Run-zhi, et al. Explosive characteristics and kinetic mechanism of methane-air mixtures under high-temperature conditions[J]. Acs Omega, 2023, 8(4): 4251-4260.

    [10] [10] ZHAO Qi, ZHOU Lin, WANG Hao, et al. Effects of methane concentration on flame propagation mechanisms and dynamic characteristics of methane/coal dust explosions[J]. Powder Technology, 2024, 439: 119744.

    [16] [16] WANG Fa-hui, CHEN Jing-ning, WEN Xiao-ping, et al. Experimental study on the explosion characteristics of CH4/O2/N2 mixtures with different oxygen enrichment coefficients and ignition positions[J]. Acs Omega, 2020, 5(47): 30495-30501.

    [18] [18] LUO Zhen-min, WANG Tao, REN Jun-ying, et al. Effects of ammonia on the explosion and flame propagation characteristics of methane-air mixtures[J]. Journal of Loss Prevention in the Process Industries, 2017, 47: 120-128.

    [19] [19] KUNDU S K, ZANGANEH J, ESCHEBACH D, et al. Explosion severity of methane-coal dust hybrid mixtures in a ducted spherical vessel[J]. Powder Technology, 2018, 323: 95-102.

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    CHENG Jian-hua, BAO Wen-wen, YANG Xiao-lin, DING Shuai-dong, WENG Ying-kang, ZHANG Zi-jun. Effect of Length-to-diameter Ratio on Overpressure Characteristics of Methane/Air Premixed Explosions[J]. Blasting, 2025, 42(2): 13

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    Paper Information

    Category:

    Received: Sep. 24, 2024

    Accepted: Jun. 24, 2025

    Published Online: Jun. 24, 2025

    The Author Email: BAO Wen-wen (212308020027@home.hpu.edu.cn)

    DOI:10.3963/j.issn.1001-487x.2025.02.002

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