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本文针对夏热冬冷地区冷热负荷特性,提出了冷却塔—土壤耦合热泵过渡季土壤蓄冷模式,采用软件TRNSYS建立了冷却塔—土壤耦合热泵过渡季土壤蓄冷系统仿真模型,并利用该模型针对过渡季土壤蓄冷的两个主要影响因素进行了工况模拟分析,,在此基础上提出了冷却塔—土壤耦合热泵过渡季节土壤蓄冷的控制策略。本文力图通过上述研究探索出缓解夏热冬冷地区土壤源热泵系统全年热失衡问题、提高该系统运行效率的有效途径。
In this paper, according to the thermal and thermal load characteristics of hot summer and cold winter area, the paper put forward the soil storage cooling mode of cooling tower-soil coupling heat pump transitional season, and established the simulation model of cooling storage-soil heat pump transitional season soil storage system by software TRNSYS. The two main influencing factors of soil storage during the transitional season were simulated and analyzed. Based on this, the control strategy of soil storage cooling during the transitional season of the cooling tower-soil coupled heat pump was proposed. This paper tries to explore through the above study to alleviate the year-end heat imbalance in ground-source heat pump system in hot summer and cold winter area to improve the system efficiency.