A new phenomenological model of gas explosion based on characteristics of flame surface

Kobiera, A.; Kindracki, Jan; Zydak, P.; Wolański, P.

doi:10.1016/j.jlp.2007.04.023

Cited by 28 publications

(12 citation statements)

References 10 publications

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“…Previously published works focus on the explosion of methaneeair mixtures in vessels with small scales and its corresponding parameters (Gel'fand, Medvedev, & Frolov, 1991;Kobiera, Kindracki, Zydak, & Wolanski, 2007;Kosinski, 2006;Thom & Cronin, 2009). The mechanical behavior of a gas explosion in a long duct with a cross section of the order of millimeters has been investigated by many researchers (Aleksandr & Andrei, 2008;Jo & Crowl, 2009;Marc, Andreas, & Ulrich, 2006;Trebinski & Wlodarczyk, 1986).…”

Section: Introductionmentioning

confidence: 99%

Effect of scale on the explosion of methane in air and its shockwave

Zhang

Pang

Liang

2011

Journal of Loss Prevention in the Process Industries

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Section: Introductionmentioning

confidence: 99%

Effect of scale on the explosion of methane in air and its shockwave

Zhang

Pang

Liang

2011

Journal of Loss Prevention in the Process Industries

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“…The main problem lies in less research on gas explosion, so there is no accurate information on the relationship between participation explosion volume and explosive impact load, and the distribution pattern of explosive load and how to apply it to the model are difficult to determine. For the studies on the natural gas leakage and explosion, some scholars have given the related calculation and evaluation methods [1][2][3]. Among the studies on the consequences of natural gas explosions, Hu Yiting et al [4] proposed the use of overpressure criteria to analyze the possible explosion consequences of natural gas-air mixing cloud cluster.…”

Section: Introductionmentioning

confidence: 99%

Research on the analytical method about influence of gas leakage and explosion on subway

Ji¹,

Yang²,

Chen³

2018

AIP Conference Proceedings

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Abstract.With the construction and development of city subway, the cross impact of underground rail transit and gas pipe network is becoming more and more serious, but there is no analytical method for the impact of gas explosions on the subway. According to this paper, the gas leakage is equivalent to the TNT explosion equivalent, based on which, the calculation of the explosive impact load is carried out. On the basis of the concrete manifestation of gas explosion, it is more convenient to carry out the subsequent calculation by equivalently treating the explosive impact load as a uniform load within a certain range. The overlying soil of the subway station has played a protective role for the subway, making the displacement of the subway structure in the explosion process significantly reduced. The analysis on the actual case shows that this method can be successfully applied to the quantitative analysis of such accidents.

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“…Previously published works focus on the explosion of methane in air mixtures in vessels with small scales and its corresponding parameters (Kobiera et al, 2007). The mechanical behavior of a gas explosion in a long tube with the cross-section of millimeter-size has been investigated by many researchers (Aleksandr and Andrei, 2008;Jo and Crowl, 2009).…”

Section: Introductionmentioning

confidence: 99%

Flame and temperature wave propagation characteristic of methane‐air mixture in mine tunnels

Zhang

Pang

2013

International Journal of Numerical Methods for Heat &Amp; Fluid Flow

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Purpose -Explosions are the main type of accident causing casualties in underground coal mines. Little attention has been devoted to investigating the flame propagations for methane-air explosion in a tunnel with full scale. This paper seeks to address this topic. Design/methodology/approach -Based on the numerical simulation and the analysis, the propagation rule of flame and temperature waves inside and outside the space occupied by methane/air mixture at the various concentrations in a tunnel were obtained in this work. Findings -The original interface of methane-air mixture and air moves forward in the explosion and the original mixture area extends. For the methane-air mixture with rich fuel concentration, the flame speed increases with distance within a range beyond the original position of the interface between the mixture and air. The flame speed reaches maximum value outside the original area of methane-air mixture with rich fuel concentration. Originality/value -Based on the numerical simulation and the analysis, the propagation rule of flame and temperature wave inside and outside the space occupied by methane/air mixture at the various concentrations in a tunnel were obtained.

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A new phenomenological model of gas explosion based on characteristics of flame surface

Cited by 28 publications

References 10 publications

Effect of scale on the explosion of methane in air and its shockwave

Effect of scale on the explosion of methane in air and its shockwave

Research on the analytical method about influence of gas leakage and explosion on subway

Flame and temperature wave propagation characteristic of methane‐air mixture in mine tunnels

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