Influence of the ignition source location on the determination of the explosion pressure at elevated initial pressures

Schoor, Filip Van den; Norman, Frederik; Verplaetsen, Filip

doi:10.1016/j.jlp.2005.11.005

Cited by 32 publications

(17 citation statements)

References 9 publications

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“…Explosion pressures of fuel-air mixtures at pressures and/or temperatures different from ambient were determined in a wide set of conditions (explosion vessels with various forms and volumes; ignition made by local sources with various energies, from a few mJ up to 20 J; position of the ignition source: central or asymmetric) [5,6,10,11,13,[17][18][19][20][21][22][23][24][25][26][27]. The data refer to single fuels, such as hydrogen, methane, propane, propylene or to composite fuels (LPG, gasoline).…”

Section: Introductionmentioning

confidence: 99%

Temperature and pressure influence on explosion pressures of closed vessel propane–air deflagrations

Razus

Brinzea

Mitu

et al. 2010

Journal of Hazardous Materials

112

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Section: Introductionmentioning

confidence: 99%

Temperature and pressure influence on explosion pressures of closed vessel propane–air deflagrations

Razus

Brinzea

Mitu

et al. 2010

Journal of Hazardous Materials

112

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“…The slopes of these correlations are numerically close to the adiabatic explosion pressure p max,ad ; their intercepts depend on both the heat lost by the burning mixture to the vessel and the vessel's volume [14][15][16]. Information concerning the amount of heat lost during flame propagation in a closed vessel is also given in a recent contribution of Van den Schoor et al [17] focused on combustion of very rich methane-air mixtures (in the vicinity of the upper flammability limit): the explosion pressure measured in centrally ignited explosions is higher as compared to explosions asymmetrically initiated, by an ignition source positioned 6 cm under central position.…”

Section: Resultsmentioning

confidence: 75%

Explosion characteristics of LPG–air mixtures in closed vessels

Razus

Brinzea

Mitu

et al. 2009

Journal of Hazardous Materials

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“…The initial pressure has a distinct effect on the chemical reaction rate and explosion intensity of combustible mixtures [1][2][3]. To date, the influence of the initial pressure on gas explosions in isolated vessels or pipelines has been studied by many researchers [1][2][3][4][5][6][7][8][9][10][11]. Experiments for the determination of explosion pressures of rich methane-air mixtures were performed by Schoor et al [2] in a closed spherical vessel with four different igniter positions at initial pressures up to 30 bar.…”

Section: Introductionmentioning

confidence: 99%

Experimental study of the initial pressure effect on methane‐air explosions in linked vessels

Zhen

Wang

Gong

2017

Process Safety Progress

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This study experimentally addresses the pressure evolution during the closed and vented explosion progress of a methane‐air mixture ([CH4 = 10%]) in different vessel‐pipeline configurations at ambient initial temperature and different initial pressures. Based on the experimental measurements, it is found that the maximum values of both closed and vented explosion pressure increase linearly with the initial pressure in isolated and linked vessel scenarios. Compared with a vented explosion, the initial pressure has a greater impact on the explosion overpressure in an isolated vessel and a single spherical vessel connected to a pipe during a closed explosion. For the configuration of two spherical vessels connected by a pipe, the explosion overpressure in the primary vessel is always lower than that in the secondary vessel during both closed and vented explosions at each initial pressure. According to Chapman‐Jouget Detonation Theory (C‐J detonation theory), when the ignition is located in a large vessel, detonation is observed in the secondary vessel at an initial pressure of 0.08 MPa. The vent position and ignition position both have an influence on the extent of variation of the pressure differential between two vessels with a given initial pressure. For the configuration of a single vessel connected to a pipe, the initial pressure influences the maximum explosion pressure and vented explosion overpressure least in a small vessel when the ignition position is located in the small vessel. These conclusions can provide references for the safety design of chemical equipment. © 2017 American Institute of Chemical Engineers Process Process Saf Prog 37:86–94, 2018

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Influence of the ignition source location on the determination of the explosion pressure at elevated initial pressures

Cited by 32 publications

References 9 publications

Temperature and pressure influence on explosion pressures of closed vessel propane–air deflagrations

Temperature and pressure influence on explosion pressures of closed vessel propane–air deflagrations

Explosion characteristics of LPG–air mixtures in closed vessels

Experimental study of the initial pressure effect on methane‐air explosions in linked vessels

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