基于埋地换热器的强化传热研究现状及展望  

Research Status and Prospect of Heat Transfer Enhancement Based on Ground Heat Exchanger

作　　者：徐森森 刘寅[1] 袁冬颜 Xu Sensen;Liu Yin;Yuan Dongyan(Zhongyuan University of Technology,Zhengzhou 450007,China)

机构地区：[1]中原工学院

出　　处：《流体机械》2019年第6期68-75,共8页Fluid Machinery

摘　　要：地埋管换热器作为直接与岩土接触进行取/释热装置,其换热性能决定了土壤源热泵系统的运行效率。地埋管换热器强化传热研究旨在提高土壤源热泵系统运行效率及地能利用率。通过对土壤源热泵地埋管换热器的研究进行综述,论述了地埋管换热器的研究现状及发展动态,分析影响地埋管换热器换热的主要因素及强化换热措施。兼顾理论知识及工程特点,提出目前研究存在的问题,指出日后研究方向及重点,并对土壤源热泵的发展进行展望。The ground heat exchanger is a device which directly contacts with the soil to extract and release heat,and its heat transfer performance determines the operation efficiency of the ground source heat pump system.The purpose of enhanced heat transfer of ground heat exchangers is to improve the operating efficiency and geothermal energy utilization of ground source heat pump systems.Through the review of the research on the ground heat exchanger for ground source heat pump,the research status and development trend of the buried pipe heat exchanger were discussed,and the main factors affecting the heat transfer of the ground heat exchanger and the enhancement measures of heat transfer were analyzed.Through concurrent consideration of theoretical knowledge and engineering characteristics,the problems existing in current research were proposed,and future research directions and priorities were pointed out,and prospects for the development of ground source heat pumps were anticipated.

关 键 词：土壤源热泵 地埋管换热器 回填材料 强化传热 控制策略 现状与展望 

分 类 号：TH12[机械工程—机械设计及理论]