Abstract
The gas explosion parameters are affected by the structural parameters. Therefore, the paper numerically studied the gas explosion in cylinder to quantify the dependency of gas explosion parameters on the structural parameters. The results show that both the volume and length-diameter ratio of the cylindrical container affected the methane explosion characteristic parameters. With the increase of volume in the same shape, the time to reach the maximum gas explosion pressure increased, while the maximum rate of pressure rise reduced. With the length-diameter ratio increased, the time to reach the maximum gas explosion pressure became longer and the maximum rate of pressure rise decreased. It is found that the maximum rate of pressure rise conformed to exponential 2D with the volume and length-diameter ratio.
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