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Whole-year Dynamic Calculation of Three Dimensional Heat Transfer in Shallow-buried Underground Buildings

WANG Qin 1,CHENG Bao-yi 1,MIAO Xiao-ping 1,MAO Jin-feng 1,WU Chun-mei 2(1.PLA University of Sci.& Tech.,Nanjing 210007,China;2.No.4 Engineering Design and Research Institute,G.S,Beijing 100103,China)  
Three dimensional no-steady heat transfer of shallow-buried underground buildings is particularly complex because of the impact of the depth of building,geometric type,outdoor weather parameters and thermal property of soil envelopes,and the variation of room air situation.Considering the influence of indoor air variation on heat transfer,the whole-filed method of conjugate heat transfer is applied to simulate and solve numerically the unite region of soil and room air with FLUENT 6.1.Based on this,the whole-year dynamic heat transfer of underground building envelopes can be obtained,and the results can be further used to solve the local and transient convective heat transfer coefficient between the room air and soil wall.
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