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This paper reports a 3-d numerical simulation system to analyze the complicated flow in plasma reactors for coal gasification, which involve complex chemical reaction, two-phase flow and plasma effect. On the basis of analytic results, the distribution of the density, tempera-ture and components‘ concentration are obtained and a different plasma reactor configuration is proposed to optimize the flow parameters. The numerical simulation results show an improved conversion ratio of the coal gasification. Different kinds of chemical reaction models are used to simulate the complex flow inside the reactor. It can be concluded that the numerical simulation system can be very useful for the design and optimization of the plasma reactor. 相似文献
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本文对一微型燃气轮机向心透平内部的三维流场进行了数值研究。在流场模拟的基础上对原结构的内部流场进行了分析探讨,指出原设计中可以改进的地方并成功的对叶轮进行了改进设计,使向心式透平效率提高了二点几个百分点。 相似文献
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