Estimation of peak pressure for sonic-vented hydrocarbon explosions in spherical vessels

Two closed-form approximate solutions are presented for the final pressure produced by a hydrocarbon explosion in a spherical vessel with sonic venting. A constant factor which multiplies the ideal spherical flame velocity is used to describe the effect of flame acceleration. One of the solutions is...

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Bibliographic Details
Published in:Combustion and flame 1986-10, Vol.66 (1), p.1-8
Main Authors: Epstein, Michael, Swift, Ian, Fauske, Hans K.
Format: Article
Language:English
Subjects:
Applied sciences
combustion
Combustion of gaseous fuels
Combustion. Flame
computer aided analysis
Energy
Energy. Thermal use of fuels
Exact sciences and technology
explosions
hydrocarbon processing
pressure vessels
Theoretical studies. Data and constants. Metering
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Summary:Two closed-form approximate solutions are presented for the final pressure produced by a hydrocarbon explosion in a spherical vessel with sonic venting. A constant factor which multiplies the ideal spherical flame velocity is used to describe the effect of flame acceleration. One of the solutions is a simple, easy-to-use equation which may appeal to vent designers; it agrees well with reported results from a comprehensive computer model and correlates available experimental data as well as previous models involving several variable turbulence factors.
ISSN:0010-2180
1556-2921
DOI:10.1016/0010-2180(86)90027-1