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Technical note Best connection scheme of collector modules of thermosyphon solar water heater operated at high temperatures

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  • Shariah, Adnan
  • Dajeh, Deifallah
  • Malhi, Nabil

Abstract

Large scale thermosyphon solar water heater for high temperature applications is simulated by the use of the Transient Simulation Program (TRNSYS). A daily hot water load of 1500 l/day and 2500 l/day at 80°C was assumed. The hot water is consumed daily from 08·00–17·00 h. A back-up electric auxiliary heater was added to the system in two schemes: first, located inside the storage tank with a thermostat; second, outside the tank connected to the heating system between the tank and the facilities. The collector modules were connected in five different schemes: first, all collectors were connected in series in one line, or collectors were connected in two, three, four or five parallel lines each consisting of many collectors. The results showed that the best connection is when the 20 collectors, comprising the system, are connected in two parallel lines each consisting of 10 collectors. It was found that the monthly and yearly useful energy from the system was higher when the auxiliary water heater was added to the system outside the storage tank.

Suggested Citation

  • Shariah, Adnan & Dajeh, Deifallah & Malhi, Nabil, 1999. "Technical note Best connection scheme of collector modules of thermosyphon solar water heater operated at high temperatures," Renewable Energy, Elsevier, vol. 17(4), pages 573-586.
    • Handle: RePEc:eee:renene:v:17:y:1999:i:4:p:573-586
    DOI: 10.1016/S0960-1481(98)00766-6
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    References listed on IDEAS

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    1. Shariah, A.M. & Löf, G.O.G., 1996. "The optimization of tank-volume-to-collector-area ratio for a thermosyphon solar water heater," Renewable Energy, Elsevier, vol. 7(3), pages 289-300.
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    Cited by:

    1. Kim, Jimin & Hong, Taehoon & Jeong, Jaemin & Lee, Myeonghwi & Koo, Choongwan & Lee, Minhyun & Ji, Changyoon & Jeong, Jaewook, 2016. "An integrated multi-objective optimization model for determining the optimal solution in the solar thermal energy system," Energy, Elsevier, vol. 102(C), pages 416-426.

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