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Energy and the Environment, 1999

ISSN:
1-56700-127-0 (Print)

EFFICIENT UTILIZATION OF SOLAR ENERGY BY USING HEAT PUMPS

K. Kaygusuz
Chemistry Department, Karadeniz Technical University, 61080, Trabzon, Turkey

Teoman Ayhan
Department of Mechanical Engineering, Karadeniz Technical University, 61080 Trabzon, Turkey

Abstract

Heat pump and solar collector system with thermal energy storage unit were combined to utilize solar energy efficiently at low temperature (10-50°C). CaCI2.6H20 was used as a thermal energy storage medium and water also used as a working liquid between storage tank and collectors. The performance of the system at different heat source temperatures for residential heating in Trabzon, was investigated both experimentally and theoretically.