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A Study on the Explosion Characteristics of Hydrogen  

Oh, Kyu-hyung (Dept. of Fire Protection Eng. Hoseo Univ.)
Rhie, Kwang-won (Dept. of Safety System Eng. Hoseo Univ.)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.15, no.3, 2004 , pp. 228-234 More about this Journal
Abstract
It was discussed about explosion danger of hydrogen gas experimentally that could be happen during the handling and using. Hydrogen concentration was varied from 10 to 60 vol% for get the explosion characteristics of hydrogen and 5 kinds of cylindrical vessel were used to find the explosion characteristics of hydrogen according to the vessel volume. Initial pressure of hydrogen-air mixture was varied from 0.6 to 2 kg/cm2. Based on the experiment, explosion pressure was most high near the 30vol% of hydrogen and explosion pressure was increased slightly according to the increase of vessel volume but explosion pressure rise rate was decreased. Explosion pressure was increased linearly proportional to the initial pressure of gas mixture.
Keywords
Hydrogen; Explosion pressure; Hydrogen explosion; Hydrogen safety;
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