地源热泵系统地下埋管换热器设计（2）
Design of buried heat exchangers for groundsource heat pump systems(2)
摘要：
讨论了地下埋管系统环路方式、埋管材料、埋管间距、埋管内工作流体的确定以及地下岩土热平衡的维持等问题。
关键词：地源热泵,换热器,环路,材料,间距,热平衡
Abstract：
Discusses the determination of loop modes, pipe material, pipe spacing, working liquid in the pipes in buried heat exchanger systems and the maintenance of the heat balance of the underground rock.
Keywords:groundsource heat pump, heat exchanger, loop, material, spacing, heat balance