夏热冬冷地区冷却塔—土壤耦合热泵过渡季蓄冷特性研究  

Characteristic Study on Cool Storage in Transition Period of Cooling Tower-Ground Coupled Heat Pump in Hot-summer and Cold-winter Zone

作　　者：谢莉[1] 刘金祥[1] 刘凯[1] 

机构地区：[1]南京工业大学,南京210009

出　　处：《建筑科学》2013年第8期83-89,共7页Building Science

基　　金：江苏省科技计划项目(SBY201220376)

摘　　要：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。This paper proposes a soil cool storage model for cooling tower-ground coupled heat pump in transition period based on cooling and heating load characteristics in hot-summer and cold-winter zone,establishes a simulation model for the soil cool storage system of cooling tower-ground coupled heat pump in transition period by means of software TRNSYS,conducts working condition simulation analysis of the two main influencing factors of the model regarding soil cool storage in transition period and proposes a control strategy regarding soil cool storage in transition period for cooling tower-ground coupled heat pump.Besides,this paper also strives to explore an effective method to relieve yearly thermal imbalance of ground-source heat pump in hot-summer and cold-winter zone and improve system operation efficiency based on the researches above.

关 键 词：冷却塔—土壤耦合热泵 TRNSYS 蓄冷 运行控制 

分 类 号：TK521.2[动力工程及工程热物理—热能工程]