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《Journal of Harbin Institute of Technology》 2005-05
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Simulation of temperature distribution in a large space with CFD based on a multizone model

LI Xiao-dong, GAO Jun, GAO Fu-sheng(School of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150090, China,)  
During the simulation of the temperature distribution in an air-conditioned large space, the reliability of the results depends mostly on the disposition of the boundary conditions of the energy conservation equation. A method based on the study of the multi-zonal model is discussed. The model established mass and energy equilibrium equations for each macro “big control volume”. Coupled heat transfer of conduction, convection, and radiation was considered in this model. Heat convection between each zone caused by temperature difference and airflow was also included. The calculating results of wall surface temperature and heat flux could be directly treated as the energy boundary conditions in the CFD model, and thus the accuracy of boundary conditions can be derived. This method could be regarded as a necessary auxiliary to CFD simulation.
【CateGory Index】: TU831.8
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