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한조영(Cho Young Han),김정수(Jeong Soo Kim),이균호(Kyun Ho Lee),김병교(Byung Kyo Kim) 대한기계학회 2003 대한기계학회 춘추학술대회 Vol.2003 No.11
Flame onset and propagation within hydrogen premixed gas mixture are numerically investigated in an<br/> rectangular enclosure. A detailed chemistry for hydrogen reaction is applied to anticipate the thermochemical<br/> behavior of intermediate species appropriately. To facilitate computation, 10 species and 16 elementary<br/> reaction steps for hydrogen combustion are taken into account. On the basis of 30 % of hydrogen<br/> concentration in hydrogen-air mixture, the effects of position and quantity of ignition sources on the flame<br/> evolution are analyzed. From the simulation results, the means that can lessen the possible hazard caused by<br/> flame propagation are suggested.