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CFD Analysis for Spiral-Jacketed Thermal Storage Tank in Solar Heating Systems  

Nam, Jin-Hyun (School of Mechanical and Automotive Engineering, Kookmin University)
Kim, Min-Cheol (School of Mechanical and Aerospace Engineering, Seoul National University)
Kim, Charn-Jung (School of Mechanical and Aerospace Engineering, Seoul National University)
Hong, Hi-Ki (Department of Mechanical Engineering, KyungHee University)
Publication Information
Korean Journal of Air-Conditioning and Refrigeration Engineering / v.20, no.10, 2008 , pp. 645-653 More about this Journal
Abstract
Spiral-jacketed thermal storage tanks can greatly simplify solar heating systems while maintaining the thermal performance at a similar level as conventional systems with an external heat exchanger. Proper design of the spiral-jacket flow path is essential to make the most of solar energy, and thus to maximize the thermal performance. In the present work, computational fluid dynamics (CFD) analysis was carried out for a spiral-jacketed storage tank installed in a solar heating demonstration system. The results of the CFD analysis showed a good agreement with experimentally determined thermal performance indices such as the acquired heat, collector efficiency, and mixed temperature in the storage tank. This verified CFD modelling approach can be a useful design tool in optimizing the shape of spiral-jacket flow path and the flow rate of circulating fluid for better performance.
Keywords
Solar energy; Thermal storage tank; Spiral-jacket; CFD;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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