Experimental investigation of thermal performance of a solar assisted heat pump system with an energy storage | Zendy

Yumrutas Recep | Zendy; Kaska Önder | Zendy

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Experimental investigation of thermal performance of a solar assisted heat pump system with an energy storage

Author(s) -

Yumrutas Recep,

Kaska Önder

Publication year - 2004

Publication title -

international journal of energy research

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.808

H-Index - 95

eISSN - 1099-114X

pISSN - 0363-907X

DOI - 10.1002/er.959

Subject(s) - thermal energy storage , heat pump , coefficient of performance , nuclear engineering , thermal , environmental science , solar energy , storage tank , meteorology , heating system , energy storage , energy performance , data logger , mechanical engineering , engineering , thermodynamics , efficient energy use , electrical engineering , physics , computer science , heat exchanger , power (physics) , operating system

An experimental solar assisted heat pump space heating system with a daily energy storage tank is designed and constructed, and its thermal performance is investigated. The heating system basically consists of flat plate solar collectors, a heat pump, a cylindrical storage tank, measuring units, and a heating room located in Gaziantep, Turkey (37.1°N). All measurements are automatically collected as a function of time by means of a measurement chain feeding to a data logger in combination with a PC. Hourly and daily variations of solar radiation, collector performance, coefficient of performance of the heat pump (COP HP ), and that of the overall system (COP S ) are calculated to evaluate the system performance. The effects of climatic conditions and certain operating parameters on the system performance parameters are investigated. COP HP is about 2.5 for a lower storage temperature at the end of a cloudy day and it is about 3.5 for a higher storage temperature at the end of a sunny day, and it fluctuates between these values in other times. Also, COP S turns out to be about 15–20% lower than COP HP . Copyright © 2004 John Wiley & Sons, Ltd.

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