Performance Analysis of a Thermoelectric Solar Collector Integrated with a Heat Pump

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• 作者：C. Lertsatitthanakorn (1)
  J. Jamradloedluk (1)
  M. Rungsiyopas (2)
  A. Therdyothin (3)
  S. Soponronnarit (3)
  
• 关键词：Coefficient of performance ; conversion efficiency ; solar ; assisted heat pump
• 刊名：Journal of Electronic Materials
• 出版年：2013
• 出版时间：July 2013
• 年：2013
• 卷：42
• 期：7
• 页码：2320-2325
• 全文大小：503KB
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• 作者单位：C. Lertsatitthanakorn (1)
  J. Jamradloedluk (1)
  M. Rungsiyopas (2)
  A. Therdyothin (3)
  S. Soponronnarit (3)
  
  1. Thermal Processes Research Laboratory, Faculty of Engineering, Mahasarakham University, Khantarawichai, Mahasarakham, 44150, Thailand
  2. Mechanical Engineering Department, Faculty of Engineering, Burapha University, 169 Long-Hard Bangsaen Road Saensuk, Muang, Chonburi, 20131, Thailand
  3. School of Energy, Environment and Materials, King Mongkut鈥檚 University of Technology Thonburi, Bangmod, Thungkru, Bangkok, 10140, Thailand
  
• ISSN：1543-186X

文摘

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鈥檚 refrigerant allowed the cold side of the system鈥檚 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 100聽L of water is increased from 28掳C to 40掳C in 60聽min with average ambient temperature of 32.5掳C and average solar intensity of 815聽W/m2, whereas the conversion efficiency of the TE power generator was around 2.03%.