Experimental investigation on thermal performance of thermosyphon flat-plate solar water heater with a mantle heat exchanger

Jinbao Huang, Shaoxuan Pu, Wenfeng Gao and Yi Que

Energy, 2010, vol. 35, issue 9, 3563-3568

Abstract: The thermal performance of thermosyphon flat-plate solar water heater with a mantle heat exchanger was investigated to show its applicability in China. The effect on the performance of the collector of using a heat exchanger between the collector and the tank was analyzed. A “heat exchanger penalty factor” for the system was determined and energy balance equation in the system was presented. Outdoor tests of thermal performance of the thermosyphon flat-plate solar water heater with a mantle heat exchanger were taken in Kunming, China. Experimental results show that mean daily efficiency of the thermosyphon flat plate solar water heater with a mantle heat exchanger with 10mm gap can reach up to 50%, which is lower than that of a thermosyphon flat-plate solar water heater without heat exchanger, but higher than that of a all-glass evacuated tubular solar water heater.

Keywords: Solar water heater; Mantle heat exchanger; Thermal performance (search for similar items in EconPapers)
Date: 2010
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Citations: View citations in EconPapers (13)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:35:y:2010:i:9:p:3563-3568

DOI: 10.1016/j.energy.2010.04.028

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