This study presents energy and exergy analyses of aquifer thermal energy storage (ATES) integrated with a building heating and cooling system. In this regard, a typical bidirectional ATES integrated with a heat pump (HP) is considered in the provision of required heating and cooling demands. The different ATES components and the operating principle are described. Furthermore, energy and exergy models are formulated for three subprocesses: charging, storing, and discharging, to track changes in energy and exergy quantities with discharging time. The energetic and exergetic efficiencies are then evaluated for both operating cases. The limitation of the use of energy efficiency for ATES performance assessment is elaborated. In contrast, the importance of exergy analysis as a practical and temperature sensitive tool is considered as a quantitative and a qualitative measure of the ATES performance. Additionally, a comparison between energetic and exergetic efficiencies is presented where energy efficiency involves some ambiguities, especially when energy recovered from ATES is at a low temperature rather than at an ambient temperature.
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January 2016
Research-Article
Performance Assessment of an Aquifer Thermal Energy Storage System for Heating and Cooling Applications
Abdullah A. AlZahrani,
Abdullah A. AlZahrani
Faculty of Engineering and Applied Science,
University of Ontario Institute of Technology,
2000 Simcoe Street North,
Oshawa, ON L1H 7K4, Canada;
University of Ontario Institute of Technology,
2000 Simcoe Street North,
Oshawa, ON L1H 7K4, Canada;
Mechanical Engineering Department,
Umm Al-Qura University,
P.O. Box 5555
Makkah, Saudi Arabia
e-mail: abdullah.alzahrani@uoit.ca
Umm Al-Qura University,
P.O. Box 5555
Makkah, Saudi Arabia
e-mail: abdullah.alzahrani@uoit.ca
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Ibrahim Dincer
Ibrahim Dincer
Faculty of Engineering and Applied Science,
University of Ontario Institute of Technology,
2000 Simcoe Street North,
Oshawa, ON L1H 7K4, Canada
e-mail: ibrahim.dincer@uoit.ca
University of Ontario Institute of Technology,
2000 Simcoe Street North,
Oshawa, ON L1H 7K4, Canada
e-mail: ibrahim.dincer@uoit.ca
Search for other works by this author on:
Abdullah A. AlZahrani
Faculty of Engineering and Applied Science,
University of Ontario Institute of Technology,
2000 Simcoe Street North,
Oshawa, ON L1H 7K4, Canada;
University of Ontario Institute of Technology,
2000 Simcoe Street North,
Oshawa, ON L1H 7K4, Canada;
Mechanical Engineering Department,
Umm Al-Qura University,
P.O. Box 5555
Makkah, Saudi Arabia
e-mail: abdullah.alzahrani@uoit.ca
Umm Al-Qura University,
P.O. Box 5555
Makkah, Saudi Arabia
e-mail: abdullah.alzahrani@uoit.ca
Ibrahim Dincer
Faculty of Engineering and Applied Science,
University of Ontario Institute of Technology,
2000 Simcoe Street North,
Oshawa, ON L1H 7K4, Canada
e-mail: ibrahim.dincer@uoit.ca
University of Ontario Institute of Technology,
2000 Simcoe Street North,
Oshawa, ON L1H 7K4, Canada
e-mail: ibrahim.dincer@uoit.ca
1Corresponding author.
Contributed by the Advanced Energy Systems Division of ASME for publication in the JOURNAL OF ENERGY RESOURCES TECHNOLOGY. Manuscript received September 16, 2014; final manuscript received September 4, 2015; published online September 29, 2015. Editor: Hameed Metghalchi.
J. Energy Resour. Technol. Jan 2016, 138(1): 011901 (8 pages)
Published Online: September 29, 2015
Article history
Received:
September 16, 2014
Revised:
September 4, 2015
Citation
AlZahrani, A. A., and Dincer, I. (September 29, 2015). "Performance Assessment of an Aquifer Thermal Energy Storage System for Heating and Cooling Applications." ASME. J. Energy Resour. Technol. January 2016; 138(1): 011901. https://doi.org/10.1115/1.4031581
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