A water-loop heat pump system consists of a set of water-source heat pumps that are connected with a closed-loop water network, which allows heat to be injected into or extracted out of the loop water. Such a configuration is able to meet simultaneous heating and cooling demands with a heat recovery capability. This paper analyzes the impact of loop water temperature on energy performance of individual heat pumps and the whole system, demonstrates that there exists a unique loop water temperature that minimizes overall power consumption of the configuration under discussion, and proposes a strategy to find the optimal temperature, which can be implemented in a real-time application. Simulations have been conducted to verify that a significant energy savings can be achieved over conventional practice.
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June 2010
Research Papers
Energy Analysis and Optimization of a Water-Loop Heat Pump System
Shui Yuan,
e-mail: yuanshui@gmail.com
Shui Yuan
United Technologies Research Center
, MS129-85, 411 Silver Lane, East Hartford, CT 06108
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Michel Grabon
Michel Grabon
Search for other works by this author on:
Shui Yuan
United Technologies Research Center
, MS129-85, 411 Silver Lane, East Hartford, CT 06108e-mail: yuanshui@gmail.com
Michel Grabon
J. Thermal Sci. Eng. Appl. Jun 2010, 2(2): 021005 (8 pages)
Published Online: October 21, 2010
Article history
Received:
April 29, 2010
Revised:
September 20, 2010
Online:
October 21, 2010
Published:
October 21, 2010
Citation
Yuan, S., and Grabon, M. (October 21, 2010). "Energy Analysis and Optimization of a Water-Loop Heat Pump System." ASME. J. Thermal Sci. Eng. Appl. June 2010; 2(2): 021005. https://doi.org/10.1115/1.4002591
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