直接膨胀式土壤耦合热泵系统研究进展
Direct expansion ground-coupled heat pump systems：a review
摘要：
介绍了DX-GCHP系统和SL-GCHP系统，分析了DX-GCHP系统的循环特点及设计时需要注意的问题，回顾和总结了DX-GCHP系统的发展现状和相关研究文献，展望了DX-GCHP系统的发展前景。
关键词：直接膨胀 地源热泵 土壤耦合热泵 研究
Abstract：
Presents direct expansion ground-coupled heat pump (DX-GCHP) systems and secondary loop ground-coupled heat pump (SL-GCHP) systems, analyses the circulating characteristics and the problems be cared attended in design of DX-GCHP systems, summarizes present development conditions and related research literatures, and gives out the development prospects of DX-GCHP systems.
Keywords:direct expansion, ground-source heat pump, ground-coupled heat pump, study