Theoretic Study on a Direct-Expanded Ground-Source Heat Pump

Abstract:

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A distributed parameter method has been established for a ground-source heat pump in this paper, with this model, the working process of this heat pump system was simulated. The results agree well with experimental data and show that heat-capacity and COP increase when the cooling water flow rate in the tube-in-tube heat exchanger increases; heat-capacity decreases when the temperature of inlet water of the tube-in-tube heat exchanger rises; COP, between 3.8 and 4.5, is higher than that of conventional air-source heat pumps.

Info:

Periodical:

Advanced Materials Research (Volumes 236-238)

Edited by:

Zhong Cao, Yinghe He, Lixian Sun and Xueqiang Cao

Pages:

578-581

DOI:

10.4028/www.scientific.net/AMR.236-238.578

Citation:

X. L. Cao et al., "Theoretic Study on a Direct-Expanded Ground-Source Heat Pump", Advanced Materials Research, Vols. 236-238, pp. 578-581, 2011

Online since:

May 2011

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Price:

$35.00

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