Experimental and theoretical investigation of combined solar heat pump system for residential heating

Abstract In order to investigate the performance of the combined solar-heat pump system with energy storage in encapsulated phase change material (PCM) packings for residential heating in Trabzon, Turkey, an experimental set-up was constructed. Also, a comparative study of the performance of this system has been undertaken theoretically. Simulations have been made with basic computer program of three basic combined configurations, as well as conventional solar and conventional heat pump systems in Trabzon by using meteorological data. The experimental results were obtained from December to May during the heating season for four heating systems. These systems are a conventional solar system, a series heat pump system, a parallel heat pump system and a dual source heat pump system. The experimentally obtained results are used to calculate the collector efficiency, heat pump coefficient of performance (COP), seasonal heating performance, the fraction of annual load met by free energy, storage and collector efficiencies and total energy consumption of the systems during the heating season.

[1]  John R. Howell,et al.  Solar-thermal energy systems , 1982 .

[2]  A. Brandstetter,et al.  On the stability of calcium chloride hexahydrate in thermal storage systems , 1988 .

[3]  T. Freeman,et al.  Performance of combined solar-heat pump systems , 1979 .

[4]  A. Abhat.  Low temperature latent heat thermal energy storage: Heat storage materials , 1983 .

[5]  K. Kaygusuz.  Experimental and theoretical investigation of latent heat storage for water based solar heating systems , 1995 .

[6]  William A. Beckman,et al.  Solar heating design, by the f-chart method , 1977 .

[7]  W. Beckman,et al.  Solar Engineering of Thermal Processes , 1985 .

[8]  William A. Beckman,et al.  A design method for parallel solar-heat pump systems , 1979 .

[9]  J. Sandfort.  The Heat Pump , 1951 .

[10]  F. C. Porisini.  Salt hydrates used for latent heat storage: Corrosion of metals and reliability of thermal performance , 1988 .

[11]  Adel A. Ghoneim,et al.  The effect of phase-change material properties on the performance of solar air-based heating systems , 1989 .

[12]  Kamil Kaygusuz,et al.  Performance of solar-assisted heat-pump systems , 1995 .

[13]  Kamil Kaygusuz.  Energy and economic comparisons of air-to-air heat pumps and conventional heating systems for the Turkish climate , 1993 .

[14]  D. Dietz.  Thermal Performance of a Heat Storage Module Using Calcium Chloride Hexahydrate , 1984 .

[15]  Kamil Kaygusuz,et al.  Heat storage chemical materials which can be used for domestic heating by heat pumps , 1991 .

[16]  Kamil Kaygusuz,et al.  Solar-assisted heat pump and energy storage for domestic heating in Turkey , 1993 .

[17]  M. Chandrashekar,et al.  A comparative study of solar assisted heat pump systems for canadian locations , 1982 .

[18]  Macit Toksoy,et al.  Transient response of latent heat storage in greenhouse solar system , 1983 .

[19]  Savvas A. Tassou,et al.  Energy and economic comparisons of domestic heat pumps and conventional heating systems in the British climate , 1986 .

[20]  Bo Carlsson,et al.  An incongruent heat-of-fusion system—CaCl2·6H2O—Made congruent through modification of the chemical composition of the system , 1979 .

[21]  John W. Mitchell,et al.  A regional comparison of solar, heat pump, and solar-heat pump systems , 1982 .