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《Journal of Kunming University of Science and Technology》 2004-02
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Gas-solid Coupling Temperature Field in Heterogeneous Goaf Solved by Upwind Finite Element

LI Zong-xiang 1, WEI Yong-qing 1, SUN Shi-jun 2 (1. Liaoning Technical University, Fuxin 123000, China; 2. Yangcaogou Mine, Changchun 130505, China)  
The upwind limited element method and the graphics display technique are used as numerical data to solve the seepage flow motion equation of air leakage, oxygen concentration dissipation equation and heat transfer equation simultaneously,and the variation process of the oxygen concentration and temperature rise during spontaneous combustion oxidation process of coal in goaf is also described. The contrast calculations show that the method can effectively control the oscillation of the numerical solution, the convergence stationary numerical solution is more convenient for visual treatment, and therefore, the effect of the manual interference on the calculation results can be eliminated.
【Fund】: 辽宁工程技术大学校基金资助项目 (项目编号 :0 2 0 2 37)
【CateGory Index】: TD752.2
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