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Effectiveness Evaluation of Facilities Protecting from Hydrogen-air Explosion Overpressure

Abstract

The physical processes of the explosion of the hydrogen cloud which is formed as a result of the instantaneous destruction of high-pressure cylinder in the fuelling station are investigated. To simulate the formation of hydrogen-air mixture and its combustion a three-dimensional model of an instantaneous explosion of the gas mixture based on the Euler equations supplemented by the conservation laws of mixture components solved by Godunov method is used. To reduce the influence of the overpressure effects in the shock wave on the surrounding environment it is proposed to use a number of protective measures. An estimation of the efficiency of safety devices is carried out by monitoring the overpressure changes in several critical points. To reduce the pressure load on the construction of protective devices a range of constructive measures is also offered.

Related subjects: Safety
Countries: Ukraine
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/content/conference540
2011-09-12
2024-03-28
http://instance.metastore.ingenta.com/content/conference540
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