Abstract
The explosion characteristics of ethyl acetate/hydrogen-air (EA/H2/air) mixtures have been investigated in this document using a constant volume combustion vessel. The experiments were executed using the initial pressure (1, 2, and 3 bar) and temperature (358 K) over a wide range of equivalence ratios. Hydrogen was mixed with compressed air in the volumetric proportion of 0%, 4%, 8%, and 12% and added to EA. The experimental pressure data were refined to determine the explosion characteristics. The explosion characteristics of EA/H2/air using different H2 fractions were compared. The study indicated that there was a slight difference between the peak explosion pressures of 4%, 8%, and 12% H2 fraction, however, the explosion with H2 of 12% had the maximum pressure rise rate and deflagration index when the explosion was evaluated in terms of the pressure rise rate and deflagration index. The explosion time at 8% and 12% hydrogen was relatively shorter than that of 4%.
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