Results 241 to 250 of about 1,156 (292)

Venting of gas explosion through relief ducts: Interaction between internal and external explosions

Journal of Hazardous Materials, 2008
Relief ducts fitted to venting openings is a widespread configuration in the industrial practice. The presence of a duct has been reported to severely increase the violence of the vented explosion posing a problem for the proper design of the venting ...
Ernesto Salzano, G E Andrews
exaly   +3 more sources

Explosion venting of hydrogen-air mixtures from a duct to a vented vessel

International Journal of Hydrogen Energy, 2018
Experiments were conducted on the vented explosion of hydrogen–air mixtures from a 150-cm-long duct to a cylindrical vessel with a vent at the center of its side wall to investigate the effects of vent burst pressure and an obstacle in duct on the ...
Fuqiang Yang, Changjian Wang, Shouxiang Lu   +2 more
exaly   +2 more sources

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External Explosions” as a Result of Explosion Venting

Combustion Science and Technology, 1987
Abstract A series of vented explosion tests has been carried out using a 30 m3 explosion chamber. Overpressure measurements made inside and outside the chamber and high-speed cine films of the combustion outside the chamber show clearly that an “external explosion” occurs when the gas displaced from the chamber is ignited by the emerging flame.
A. J. HARRISON, J. A. EYRE
openaire   +1 more source

The effect of vent ducts on the reduced explosion pressures of vented dust explosions

Journal of Loss Prevention in the Process Industries, 1988
Abstract An investigation into the effects of vent ducts on reduced explosion pressures is described. Experiments were made using an 18.5m 3 explosion vessel and a modified 20 1 sphere, with dusts having K st values ranging from 144 bar ms −1 to 630 bar ms −1 .
Geoff Lunn, David Crowhurst, Michael Hey
openaire   +1 more source

Explosion venting of rich hydrogen-air mixtures in a small cylindrical vessel with two symmetrical vents

International Journal of Hydrogen Energy, 2017
The safety issues related to explosion venting of hydrogen-air mixtures are significant and deserve more detailed investigations. Vented hydrogen-air explosion has been studied extensively in vessels with a single vent. However, little attention has been
Changjian Wang, Xuanya Liu
exaly   +2 more sources

Venting of gaseous explosions

Process Safety Progress, 1993
AbstractAn experimental investigation has been performed into the venting of methane‐air explosions in heating plants. The investigation was performed on a realistic scale in a 38.5 m3 enclosure. The first part of the experimental program concerns the influence of the “usual” parameters such as the vent opening area, the vent opening pressure, the ...
W. P. M. Mercx, C. J. M. van Wingerden, H. J. Pasman   +2 more
openaire   +1 more source

The design of duct venting of gas explosions

Process Safety Progress, 2007
AbstractVenting systems are useful for the mitigation of accidental explosions. Vent ducts should be used if equipment is located indoors, as NFPA 68 (2007) suggests, for discharging combustion products to safe location. However, the presence of a duct is likely to increase the severity of the explosion with respect to simply vented vessels.Up to now ...
Di Benedetto, A., Russo, P, SALZANO, ERNESTO   +2 more
openaire   +3 more sources

Effect of vent size on vented hydrogen-air explosion

International Journal of Hydrogen Energy, 2018
Abstract In this paper, the effect of vent size on vented hydrogen-air explosion in the room was studied by numerical simulation. Analysis of the explosion temperature, overpressure, dynamic pressure and wind velocity under different vent sizes indicate that these explosion parameters have different change rules inside and outside the room.
Sihong Zhang, Qi Zhang
openaire   +1 more source

Effect of a hinged rotating vent cover on a vented explosion

Journal of Loss Prevention in the Process Industries, 2019
Abstract The opening model of a hinged rotating cover was presented and validated by experiments conducted in a custom-designed test system. Good agreement was found in both internal overpressure and opening behaviour. The effect of a rotating cover on vented explosion was studied experimentally and compared with that of a bursting cover ...
Song Sun, Mingyang Wang, Yanyu Qiu, Kanghua Gao   +3 more
openaire   +1 more source

Effects of gas concentration and venting pressure on overpressure transients during vented explosion of methane–air mixtures

Fuel, 2016
© 2016 Elsevier B.V. All rights reserved. 29 batches of vented explosion tests were conducted in a 12 m 3 concrete chamber filled with methane-air mixtures to investigate the effects of methane concentration and venting pressure on the development of ...
Qin Fang, Li Chen, Shigang Yang
exaly   +2 more sources