Thermosyphon solar water heaters: effect of storage tank volume and configuration on efficiency

Hasan, A.
November 1997

Fuel and Energy Abstracts, vol 38-6, p. 416

The TRNSYS program is used to simulate a thermosyphon solar water heater SWH. The effect of the hot water storage tank volume and configuration on efficiency is investigated in this paper. Efficiency improvement of the system is possible by employing larger storage tanks. Horizontal and vertical storage tanks give similar efficiencies and useful solar heat. The performance of the SWH is better described by the supplied heat to the load rather than the gained useful solar energy.

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