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Experimental and theoretical research on burning rate and radiative heat flux of thin-layer fuel with lateral continuous leakage

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Listed:
  • Li, Chunxiao
  • Ji, Jie
  • Wang, Chen
  • Tong, Weixin

Abstract

This paper presents an experimental study on the combustion behavior of lateral continuous leakage of heptane and gasoline on a steel substrate. The flame shape characteristics of the two fuels at different leakage rates were recorded and described. Variation trends in burning area and flame height with leakage rate were analyzed, and variations in flame width against the flame height were formulated. The mass loss rate was lower than that of the pool fire at the same equivalent diameter. Based on the fuel layer heat feedback and heat loss analysis, the mass loss rate for thin fuel layer combustion was calculated and verified to be about 0.013 kg/(m2‧s). Then, a multi-layer inclined cuboid flame model was established. Compared with the classical point source model and the cuboid flame model, the new model has better accuracy in predicting the external radiation of the combustion of thin-layer fuel. We hope to gain insights into the dynamics of such fires to inform fire prevention and control in initial spill scenarios.

Suggested Citation

  • Li, Chunxiao & Ji, Jie & Wang, Chen & Tong, Weixin, 2024. "Experimental and theoretical research on burning rate and radiative heat flux of thin-layer fuel with lateral continuous leakage," Energy, Elsevier, vol. 306(C).
    • Handle: RePEc:eee:energy:v:306:y:2024:i:c:s0360544224021042
    DOI: 10.1016/j.energy.2024.132330
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    References listed on IDEAS

    as
    1. Wang, Chen & Ji, Jie, 2023. "Experimental study of dynamic combustion behavior and heat transfer of heptane pool fire with burning time under thin fuel thickness (2.0 mm–14.0 mm)," Energy, Elsevier, vol. 270(C).
    2. Wan, Huaxian & Gao, Zihe & Ji, Jie & Zhang, Yongming, 2019. "Experimental study on flame radiant heat flux from two heptane storage pools and its application to estimating safety distance," Energy, Elsevier, vol. 182(C), pages 11-20.
    3. Luo, Sai & Xu, JingBo & Wang, Chen & Ji, Jie, 2023. "Experimental study of flame spread behavior and heat transfer mechanism over n-butanol fuel in trays of different widths," Energy, Elsevier, vol. 282(C).
    4. Ding, Long & Gong, Changzhi & Ge, Fanliang & Ji, Jie, 2021. "Experimental study on flame radiation characteristic from line pool fires of n-heptane fuel in open space," Energy, Elsevier, vol. 218(C).
    5. Tong, Weixin & Ji, Jie & Wang, Chen & Li, Chunxiao & Zhu, Jiping, 2023. "Experimental study on the combustion behaviors of continuous methanol spill fires on the vertical plane," Energy, Elsevier, vol. 285(C).
    Full references (including those not matched with items on IDEAS)

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