naa a22 4500 51080179X CHVBK 20180411083358.0 cr unu---uuuuu 180411e20130701xx s 000 0 eng 10.1007/s11664-012-2414-x doi (NATIONALLICENCE)springer-10.1007/s11664-012-2414-x Performance Analysis of a Thermoelectric Solar Collector Integrated with a Heat Pump [Elektronische Daten] [C. Lertsatitthanakorn, J. Jamradloedluk, M. Rungsiyopas, A. Therdyothin, S. Soponronnarit] A novel heat pump system is proposed. A thermoelectric solar collector was coupled to a solar-assisted heat pump (TESC-HP) to work as an evaporator. The cooling effect of the system's refrigerant allowed the cold side of the system's thermoelectric modules to work at lower temperature, improving the conversion efficiency. The TESC-HP system mainly consisted of transparent glass, an air gap, an absorber plate that acted as a direct expansion-type collector/evaporator, an R-134a piston-type hermetic compressor, a water-cooled plate-type condenser, thermoelectric modules, and a water storage tank. Test results indicated that the TESC-HP has better coefficient of performance (COP) and conversion efficiency than the separate units. For the meteorological conditions in Mahasarakham, the COP of the TESC-HP system can reach 5.48 when the average temperature of 100L of water is increased from 28°C to 40°C in 60min with average ambient temperature of 32.5°C and average solar intensity of 815W/m2, whereas the conversion efficiency of the TE power generator was around 2.03%. TMS, 2013 Coefficient of performance nationallicence conversion efficiency nationallicence solar-assisted heat pump nationallicence COP : Coefficient of performance nationallicence C pw : Specific heat of water (J/kgK) nationallicence E TEHP : Net energy of the TESC-HP system (W) nationallicence h 2 : Specific enthalpy of two-phase fluid at evaporating pressure (J/kg) nationallicence h 3 : Specific enthalpy of superheated vapor at condensing pressure (J/kg) nationallicence I : Current of the TE modules (A) nationallicence M w : Mass of hot water per day (kg) nationallicence m r : Refrigerant mass flow rate (kg/s) nationallicence m w : Water flow rate (kg/s) nationallicence P : Electrical output of the TE solar collector (W) nationallicence Q c : Heating capacity of the condenser (W) nationallicence Q w : Rate of heat transfer to water in the storage tank per day (W) nationallicence T c : Cold-side temperature of TE module (K) nationallicence T h : Hot-side temperature of TE module (K) nationallicence T m : Average temperature (K) nationallicence T wi : Inlet water temperature of condenser (K) nationallicence T wo : Outlet water temperature of condenser (K) nationallicence V : Voltage of the TE modules (V) nationallicence W com : Power input to the compressor (W) nationallicence W p : Power input to the water pump (W) nationallicence Z : Figure of merit of the TE material (1/K) nationallicence η c : Carnot efficiency nationallicence η e : Conversion efficiency nationallicence Lertsatitthanakorn C. Thermal Processes Research Laboratory, Faculty of Engineering, Mahasarakham University, 44150, Khantarawichai, Mahasarakham, Thailand aut Jamradloedluk J. Thermal Processes Research Laboratory, Faculty of Engineering, Mahasarakham University, 44150, Khantarawichai, Mahasarakham, Thailand aut Rungsiyopas M. Mechanical Engineering Department, Faculty of Engineering, Burapha University, 169 Long-Hard Bangsaen Road Saensuk, 20131, Muang, Chonburi, Thailand aut Therdyothin A. School of Energy, Environment and Materials, King Mongkut's University of Technology Thonburi, Bangmod, Thungkru, 10140, Bangkok, Thailand aut Soponronnarit S. School of Energy, Environment and Materials, King Mongkut's University of Technology Thonburi, Bangmod, Thungkru, 10140, Bangkok, Thailand aut Journal of Electronic Materials Springer US; http://www.springer-ny.com 42/7(2013-07-01), 2320-2325 0361-5235 42:7<2320 2013 42 11664 https://doi.org/10.1007/s11664-012-2414-x text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s11664-012-2414-x text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Lertsatitthanakorn C. Thermal Processes Research Laboratory, Faculty of Engineering, Mahasarakham University, 44150, Khantarawichai, Mahasarakham, Thailand aut NATIONALLICENCE 700 1- Jamradloedluk J. Thermal Processes Research Laboratory, Faculty of Engineering, Mahasarakham University, 44150, Khantarawichai, Mahasarakham, Thailand aut NATIONALLICENCE 700 1- Rungsiyopas M. Mechanical Engineering Department, Faculty of Engineering, Burapha University, 169 Long-Hard Bangsaen Road Saensuk, 20131, Muang, Chonburi, Thailand aut NATIONALLICENCE 700 1- Therdyothin A. School of Energy, Environment and Materials, King Mongkut's University of Technology Thonburi, Bangmod, Thungkru, 10140, Bangkok, Thailand aut NATIONALLICENCE 700 1- Soponronnarit S. School of Energy, Environment and Materials, King Mongkut's University of Technology Thonburi, Bangmod, Thungkru, 10140, Bangkok, Thailand aut NATIONALLICENCE 773 0- Journal of Electronic Materials Springer US; http://www.springer-ny.com 42/7(2013-07-01), 2320-2325 0361-5235 42:7<2320 2013 42 11664 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer