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has been cited by the following article:

• TITLE: Research on Performance of Ground-Source Heat Pump Double U Underground Pipe Heat Exchange

  AUTHORS: Youyin Jing, Jing Hou, Peng Yang

  KEYWORDS: Ground-Source Heat Pump; Double U Underground Pipe Heat Exchange; Soil Temperature Field

  JOURNAL NAME: Open Journal of Modelling and Simulation, Vol.1 No.1, January 25, 2013

  ABSTRACT: This paper uses FLUENT software building the three-dimensional unsteady state model of ground source heat pump single U and double U underground pipe to study on heat exchange of underground pipe system in the condition of unsteady state long-term continuous running, analyzes the change of soil temperature filed around underground pipe and performance of underground pipe heat exchange between single U and double U pipe system. The results show that double U pipe system is better than single U system, which can improve unit depth heat exchange efficiency, reduce the number of wells and reduce the initial investment.