Effect of the Bifurcating Duct on the Gas Explosion Propagation Characteristics
Q. Ye, Z. Z. Jia
Hunan University of Science and Technology, Xiangtan 411201, China
Keywords: gas explosion, bifurcating duct, shock wave, flame, propagation characteristics
Abstract
The explosion wave overpressure and the flame propagation velocity of the gas explosion in a bifurcating duct are experimentally measured and theoretically analyzed. The results show that the effect of the bifurcation on the flame velocity and overpressure is obvious. Especially, the explosion wave overpressure and the flame propagation velocity increase sharply at the bifurcation point, and the surface at the bifurcation location is destroyed seriously. The gas explosion propagation is verified to suffer a dual effect of sudden expansion of the area and obstruction induction.
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