Experimental study on the gasoline-air mixture explosion suppression of a horizontal storage tank by reticular polymer materials

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Journal of Vibration and Shock ›› 2025, Vol. 44 ›› Issue (10) : 41-48.

JIANG Xinsheng*，ZHOU Lei，WANG Sai，LIN Keyu，CHU Hui，LI Run

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Abstract

In order to explore the effect of reticular polymer material on gasoline-air mixture explosion suppression of horizontal storage tank, a horizontal storage tank experiment system (L/D≈3.1, V=1000L) was designed and built. The law of the effect of filling rate of explosion suppression material on gasoline-air mixture explosion characteristic parameters was analyzed, and the mechanism of explosion suppression material on gasoline-air mixture explosion was explored. The results show that the explosive power of the horizontal tank is significantly weakened, the flame propagation is retarded, and the flame propagation speed decreases after the filling of the mesh polymer material. With the increase of filling rate, the maximum explosion overpressure, the average pressure boost rate and the explosion power index gradually decrease, and the arrival time of the maximum overpressure gradually prolongates. In the process of flame propagation in the explosion suppression material, Due to the influence of "cold wall effect", "wall effect" and material thermal decomposition, the development process of oil and gas explosion is inhibited.

Key words

Mesh polymer materials / Horizontal storage tank / Gasoline-air mixture explosion / Characteristic parameter / Flame

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JIANG Xinsheng, ZHOU Lei, WANG Sai, LIN Keyu, CHU Hui, LI Run. Experimental study on the gasoline-air mixture explosion suppression of a horizontal storage tank by reticular polymer materials[J]. Journal of Vibration and Shock, 2025, 44(10): 41-48

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