The Numerical Study on the Environmentally Sustainable System - Ground-Source Heat Pump System

Su Fen Li; Yan Shang; Di Chen

doi:10.4028/www.scientific.net/AMR.320.530

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The Numerical Study on the Environmentally Sustainable System - Ground-Source Heat Pump System
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 320The Numerical Study on the Environmentally...

The Numerical Study on the Environmentally Sustainable System - Ground-Source Heat Pump System

Abstract:

In this paper, the coupled thermal conduction and groundwater advection heat transfer model was developed according to the heat-transfer process between the heat exchanger underground and its ambient soil. Soil was considered as saturated porous medium. The paper analyzed that the influence of different inlet flow rate, inlet water temperature, and backfill material on the soil temperature field and heat exchange rate, compared the double U-tube and the single U-tube in numerical simulation. The results show that the enhancing of soil thermal conductivity, inlet water temperature and inlet water flow rate leads to the increase of the heat exchange rate of U tube heat exchanger, and the influence on the double U tube is relativity small. In addition, the heat exchange characteristic of the double U tube is superior to the single U tube. The result has guiding significance to the intermittent operation of the ground source heat pump.

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Periodical:

Advanced Materials Research (Volume 320)

Pages:

530-535

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.320.530

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Online since:

August 2011

Authors:

Su Fen Li, Yan Shang, Di Chen

Keywords:

Coupled Thermal Conduction, Double U-Tube, Groundwater Advection, Porous Medium

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