This paper presents four different approaches for determining the consequences of hybrid mixture explosions. Experimental work has been completed using a Siwek 20-L chamber for polyethylene alone, and for the ethylene/polyethylene, hexane/polyethylene, and propane/ polyethylene hybrid mixture systems. Empirical relationships for the hybrid mixtures were developed by modeling the explosion phenomena as being dependent on the burning velocity of the admixed gas. Fundamental thermo-kinetic modeling of the polyethylene and various hydrocarbon/polyethylene systems has resulted in excellent agreement with the experimental results in terms of the size-normalized maximum rate of pressure rise. CFD modeling of the mixtures investigated experimentally has been conducted with the GexCon code DESC (Dust Explosion Simulation Code); the preliminary results are promising in terms of consequence prediciton.

Determination of Hybrid Mixture Explosion Severity

RUSSO, Paola
2010-01-01

Abstract

This paper presents four different approaches for determining the consequences of hybrid mixture explosions. Experimental work has been completed using a Siwek 20-L chamber for polyethylene alone, and for the ethylene/polyethylene, hexane/polyethylene, and propane/ polyethylene hybrid mixture systems. Empirical relationships for the hybrid mixtures were developed by modeling the explosion phenomena as being dependent on the burning velocity of the admixed gas. Fundamental thermo-kinetic modeling of the polyethylene and various hydrocarbon/polyethylene systems has resulted in excellent agreement with the experimental results in terms of the size-normalized maximum rate of pressure rise. CFD modeling of the mixtures investigated experimentally has been conducted with the GexCon code DESC (Dust Explosion Simulation Code); the preliminary results are promising in terms of consequence prediciton.
2010
9789076019291
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11386/3019509
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