Numerical Analysis of Dynamic Process of Humid Hydrogen-oxygen Combustion and Water Mixing Process

doi:10.3969/j.issn.1000-1093.2015.02.018

Abstract

Abstract: Dynamic performance of humid hydrogen-oxygen non-premixed combustor has a direct effect on the safety of underwater thermal power system. To study the dynamic characteristics of this combustor, the masses and temperatures of gas phase and liquid phase in the combustor are calculated by the laws of conservation of mass and energy, and the interaction of gas phase and liquid phase is considered by the droplet evaporation mode. A dynamic process model of this combustor is established based on the air-in and air-out mass flows of working substance which are calculated by nozzle principle. The dynamic process simulation of a combustor is realized by use of the calculation program based on the dynamic model. The results show that the simulation curves consist with the variation law of parameters during the dynamic process. The temperature in the combustor drops and the pressure in it rises with the increase in flow of mixing water.

Key words: ordnance science and technology, hydrogen-oxygen combustor, dynamic process, numerical analysis

CLC Number:

TJ630.32

ZHANG Fang-fang， ZHANG Zhen-shan， WANG Jin-zhong, LIU Jia. Numerical Analysis of Dynamic Process of Humid Hydrogen-oxygen Combustion and Water Mixing Process[J]. Acta Armamentarii, 2015, 36(2): 313-320.

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