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RELIEF OF EXPLOSIONS IN MOVING PROPANE AIR MIXTURES IN A STRAIGHT DUCT CONTAINING OBSTACLES

Rogowski, Z.W., 1963. RELIEF OF EXPLOSIONS IN MOVING PROPANE AIR MIXTURES IN A STRAIGHT DUCT CONTAINING OBSTACLES. Fire Research Notes 523


ABSTRACT

The effect of obstacles on the maximum explosion pressure in a vented duct 30 ft x 1 ft^2 has been investigated with propane air mixtures moving with velocities of 10-40 ft/sec. Explosions in a duct containing an obstacle gave 6-8 times higher pressures than explosions in a similar duct with no obstacles, the highest pressures were obtained when the gas was ignited near the obstacles.



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