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Theoretical and Experimental Study on Ground Coupled Heat Pump with Vertical Spiral Coil 被引量:4

Theoretical and Experimental Study on Ground Coupled Heat Pump with Vertical Spiral Coil
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摘要 The numeric al simulation study on the temperature distribution of underground field for the ground coupled heat pump (GCHP) with vertical spira l coil was carried out by using finite element. The distribution and recovery of undergroun d field temperature under different operation ratio and the optimal operation ratio were simulated.The performance parameters, i.e. inlet and outlet temperature of the ground spiral coil in heating and cooling modes were tested, the heat extracted or emitted by the heat pump to the ground was calculated, and the coefficients of performance (COP) of GCHP at heat ing and cooling modes were analyzed. The numeric al simulation study on the temperature distribution of underground field for the ground coupled heat pump (GCHP) with vertical spira l coil was carried out by using finite element. The distribution and recovery of undergroun d field temperature under different operation ratio and the optimal operation ratio were simulated.The performance parameters, i.e. inlet and outlet temperature of the ground spiral coil in heating and cooling modes were tested, the heat extracted or emitted by the heat pump to the ground was calculated, and the coefficients of performance (COP) of GCHP at heat ing and cooling modes were analyzed.
出处 《Transactions of Tianjin University》 EI CAS 2003年第2期123-126,共4页 天津大学学报(英文版)
关键词 ground coupled heat pump (GCHP) vert ic al spiral coil underground temperature distribution optimal operation ratio 地面偶合热泵 螺旋形线圈 地下温度分布 热交换 最优运行率 数字仿真
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