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Study on Inhibition Characteristics of Composite Structure with High-Temperature Heat Pipe and Metal Foam on Gas Explosion

Author

Listed:
  • Xiaohong Gui

    (School of Emergency Management and Safety Engineering, China University of Mining and Technology, Beijing 100083, China)

  • Haiteng Xue

    (School of Emergency Management and Safety Engineering, China University of Mining and Technology, Beijing 100083, China)

  • Junwei Zhu

    (School of Emergency Management and Safety Engineering, China University of Mining and Technology, Beijing 100083, China)

  • Xingrui Zhan

    (School of Emergency Management and Safety Engineering, China University of Mining and Technology, Beijing 100083, China)

  • Fupeng Zhao

    (School of Emergency Management and Safety Engineering, China University of Mining and Technology, Beijing 100083, China)

Abstract

The hazards caused by gas explosion are mainly due to high temperatures and shock waves. It is of great practical significance to explore a device that can restrain these two hazards at the same time. Through the establishment of the gas explosion calculation model, a numerical analysis of the flame propagation in the three types of pipelines, including the empty pipe, the single metal foam pipe, and the high-temperature heat pipe metal foam composite structure, was carried out. The numerical results are compared with the relevant experimental results. The accuracy, rationality, and accuracy of the calculation model is verified. The research results show that that the gas explosion flame propagation develops fastest and accelerates in the empty pipe, followed by a single metal foam pipe. The gas explosion flame in the pipe with the high-temperature heat pipe metal foam composite structure develops the slowest. The composite structure composed of the high-temperature heat pipe and metal foam is an obvious choice to attenuate the temperature and overpressure of gas explosion. The high-temperature heat pipe can rapidly transmit heat in the form of phase change, and metal foam can effectively reduce the explosion pressure wave. The composite structure with the high-temperature heat pipe, and metal foam, destroys the coupling between flame and pressure wave, which acts as a barrier to explosion. It can effectively reduce the energy of flammable and explosive gas in the rear part of the pipeline and restrain the occurrence of the two explosions. The research results provide a scientific basis for the technical application of new, effective anti-explosion devices in coal mines.

Suggested Citation

  • Xiaohong Gui & Haiteng Xue & Junwei Zhu & Xingrui Zhan & Fupeng Zhao, 2022. "Study on Inhibition Characteristics of Composite Structure with High-Temperature Heat Pipe and Metal Foam on Gas Explosion," Energies, MDPI, vol. 15(3), pages 1-26, February.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:3:p:1135-:d:741647
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    References listed on IDEAS

    as
    1. Yan Wang & Hao Feng & Yimin Zhang & Chendi Lin & Ligang Zheng & Wentao Ji & Xuefeng Han, 2019. "Suppression Effects of Hydroxy Acid Modified Montmorillonite Powders on Methane Explosions," Energies, MDPI, vol. 12(21), pages 1-12, October.
    2. Yimin Zhang & Yan Wang & Ligang Zheng & Tao Yang & Jianliang Gao & Zhenhua Li, 2018. "Effect of Pristine Palygorskite Powders on Explosion Characteristics of Methane-Air Premixed Gas," Energies, MDPI, vol. 11(10), pages 1-12, September.
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    Cited by:

    1. Hongzhe Zhang & Fang Ye & Hang Guo & Xiaoke Yan, 2022. "Isothermal Performance of Heat Pipes: A Review," Energies, MDPI, vol. 15(6), pages 1-16, March.
    2. Cao, Jiaojiao & Wu, Jiansong & Zhao, Yimeng & Cai, Jitao & Bai, Yiping & Pang, Lei, 2023. "Suppression effects of energy-absorbing materials on natural gas explosion in utility tunnels," Energy, Elsevier, vol. 281(C).

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