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Explosion Hazard of Hydrogen-Air Mixtures in the Large Volumes-Paper

Type of Publication
Year of Publication
2007
Authors
V.A. Petukhov; I.M. Naboko; V.E. Fortov
Abstract

The report deals with the investigation of non-stationary combustion of hydrogen-air mixturesextremely relevant to the issues of safety. Considered are the conditions of its formation anddevelopment in the tubes, in the conic element and in the spherical 12-m diameter chamber. The reportshows that at the formation of non-stationary combustion in the conic element, in its top the pressurecan develop exceeding 1000 atmospheres. It is also shown that in large closed volumes non-stationarycombustion can develop from a small energy source, in contrast to detonation for whose stimulation inlarge volumes significant power influences are required. Simultaneously, in the volume a pressure canbe formed by far exceeding the Chapman-Jouguet pressure in the front of stationary detonation.

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