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Theoretical and Experimental Investigation of Explosion Characteristics of Hydrogen Explosion in a Closed Vessel

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  • Huadao Xing

    (School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
    School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China)

  • Runze Yu

    (State Key Laboratory for Disaster Prevention & Mitigation of Explosion & Impact, The Army Engineering University of PLA, Nanjing 210007, China)

  • Guangan Xu

    (State Key Laboratory for Disaster Prevention & Mitigation of Explosion & Impact, The Army Engineering University of PLA, Nanjing 210007, China)

  • Xiaodong Li

    (School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China)

  • Yanyu Qiu

    (State Key Laboratory for Disaster Prevention & Mitigation of Explosion & Impact, The Army Engineering University of PLA, Nanjing 210007, China)

  • Derong Wang

    (State Key Laboratory for Disaster Prevention & Mitigation of Explosion & Impact, The Army Engineering University of PLA, Nanjing 210007, China)

  • Bin Li

    (School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China)

  • Lifeng Xie

    (School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China)

Abstract

A simplified model that calculates the deflagration pressure–time curves of a hydrogen explosion was proposed. The deflagration parameters (pressure peak, duration, deflagration index, and impulse) of hydrogen–air mixtures with different hydrogen concentrations were experimentally investigated. The results show that the pressure curves calculated by the model are consistent with experimental data pertaining to a methane and hydrogen explosion. By comparison, the pressure peak and deflagration index are found to be influenced by the aspect ratio and surface area of vessels. The impulse and explosion times at fuel-lean hydrogen concentrations are greater than those at fuel-rich concentrations. When the hydrogen concentration is between 34 vol.% and 18 vol.%, the greatest explosion damage effect is formed by both the overpressure and the impulse, which should be considered for hydrogen explosion safety design in industrial production.

Suggested Citation

  • Huadao Xing & Runze Yu & Guangan Xu & Xiaodong Li & Yanyu Qiu & Derong Wang & Bin Li & Lifeng Xie, 2022. "Theoretical and Experimental Investigation of Explosion Characteristics of Hydrogen Explosion in a Closed Vessel," Energies, MDPI, vol. 15(22), pages 1-14, November.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:22:p:8630-:d:975834
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    References listed on IDEAS

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    1. Li, Yanchao & Bi, Mingshu & Li, Bei & Zhou, Yonghao & Huang, Lei & Gao, Wei, 2018. "Explosion hazard evaluation of renewable hydrogen/ammonia/air fuels," Energy, Elsevier, vol. 159(C), pages 252-263.
    2. Sun, Xuxu & Lu, Shouxiang, 2020. "On the mechanisms of flame propagation in methane-air mixtures with concentration gradient," Energy, Elsevier, vol. 202(C).
    3. Shen, Xiaobo & Zhang, Chao & Xiu, Guangli & Zhu, Hongya, 2019. "Evolution of premixed stoichiometric hydrogen/air flame in a closed duct," Energy, Elsevier, vol. 176(C), pages 265-271.
    4. Xiao, Huahua & Duan, Qiangling & Sun, Jinhua, 2018. "Premixed flame propagation in hydrogen explosions," Renewable and Sustainable Energy Reviews, Elsevier, vol. 81(P2), pages 1988-2001.
    5. Sun, Xuxu & Lu, Shouxiang, 2020. "Effect of obstacle thickness on the propagation mechanisms of a detonation wave," Energy, Elsevier, vol. 198(C).
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