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ASCERTAINMENT ON GROUND TEMPERATURE OF THE FLOOR RADIANT COOLING SYSTEM

LI Chang-he, LI Yong-an, LIU Xue-lai, ZHANG Xiao-feng(Shandong Institute of Civil Engineering and Architecture,Ji’nan 250000,China)  
On the basis of analyzing the heat transferring rule of the floor radiant cooling system,the mathematic model of two-dimensional steady heat transferring is set up.Moreover,by using FEM,the ground temperature is worked out.According to the law of the ground temperature changes with the mean temperature of the supplied water and returned and indoor temperature,the mean temperature of the supplied and returned water is obtained.Finally,specific measures are suggested on condensation-prevention,which can be used as reference for the optimizing design and application of the floor radiant cooling system.
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