Ground heat exchanger temperature distribution analysis and experimental verification |
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| Affiliation: | 1. Faculty of Air-Conditioner, Beijing Polytechnic University, Beijing 100022, China;2. Faculty 306, Naval University of Engineering, Wuhan 430033, China;3. Department of Mechanical Engineering, US Naval Academy, 121 Blake Road, Annapolis, MD 21402-5000, USA;1. Shandong Provincial Key Laboratory of Civil Engineering Disaster Prevention and Mitigation, Shandong University of Science and Technology, Qingdao, 266590, PR China;2. Institute of Environmental & Municipal Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450011, PR China;3. School of Civil Engineering and Architecture, Nanchang University, Nanchang 330031, PR China;1. National Centre for International Research of Low-carbon and Green Buildings, Ministry of Science & Technology, Chongqing University, Chongqing 400045, China;2. Joint International Research Laboratory of Green Buildings and Built Environments, Ministry of Education, Chongqing University, Chongqing 400045, China;3. School of Engineering, RMIT University, PO Box 71, Bundoora, VIC 3083, Australia;1. China University of Geosciences (Wuhan), Faculty of Engineering, Wuhan 430074, PR China;2. University of Erlangen-Nürnberg, Geo-Center of Northern Bavaria, Schlossgarten 5, 91054 Erlangen, Germany;3. Karlsruhe Institute of Technology (KIT), Institute for Applied Geosciences (AGW), Kaiserstraße 12, 76131 Karlsruhe, Germany |
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| Abstract: | The underground two-dimensional symmetry temperature field of a vertical double spiral coil ground heat exchanger (GHX) designed by the authors for a ground source heat pump (GSHP) system was simulated using the volume-control method. A heat transfer model of underground coil is made, and the underground temperature distribution of the coil was solved numerically. Experimental temperature data are measured. The analytical results are compared thoroughly with the experimental data. The mathematical mode presented herein may provide design guidance for the design of GHX for GSHP systems. |
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