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The optimization of tank-volume-to-collector-area ratio for a thermosyphon solar water heater

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  • Shariah, A.M.
  • Löf, G.O.G.

Abstract

Through the use of the TRNSYS simulation program, the performance of a domestic solar water heating system operating with natural circulation (thermosyphon) and a daily hot water load has been analysed. The effect of tank height on the annual solar fraction of the system has been investigated for different hot water load temperatures and storage tank volumes. Optimum values (values which maximize the annual solar fraction of the system) for storage tank height and volume are calculated for operating temperatures ranging from 50 to 80°C. The response of the system to the ratio of the storage tank volume to the collector area is investigated. The dependence of the solar fraction on tank height was observed to be more notable in the case of large tank volumes and high load temperatures. The results indicate the existence of an optimum value for the tank volume at a given tank height and a high load temperature. At lower temperatures, the solar fraction rises rapidly with tank volume to a nearly constant level. An optimum value of the storage-tank-volume-to-collector-area ratio was also observed at high load temperatures.

Suggested Citation

  • 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.
    • Handle: RePEc:eee:renene:v:7:y:1996:i:3:p:289-300
    DOI: 10.1016/0960-1481(95)00132-8
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    References listed on IDEAS

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    1. Wenxian, Lin & Enrong, Lu, 1992. "Parameteric studies of thermosyphon solar water systems with electric heaters," Energy, Elsevier, vol. 17(4), pages 397-403.
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    Cited by:

    1. Chuawittayawuth, K. & Kumar, S., 2002. "Experimental investigation of temperature and flow distribution in a thermosyphon solar water heating system," Renewable Energy, Elsevier, vol. 26(3), pages 431-448.
    2. 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.
    3. Shariah, Adnan & Al-Akhras, M-Ali & Al-Omari, I.A., 2002. "Optimizing the tilt angle of solar collectors," Renewable Energy, Elsevier, vol. 26(4), pages 587-598.
    4. Bojić, M. & Kalogirou, S. & Petronijević, K., 2002. "Simulation of a solar domestic water heating system using a time marching model," Renewable Energy, Elsevier, vol. 27(3), pages 441-452.
    5. Nwosu, P.N. & Agbiogwu, D., 2013. "Thermal analysis of a novel fibre-reinforced plastic solar hot water storage tank," Energy, Elsevier, vol. 60(C), pages 109-115.
    6. Shariah, Adnan & Shalabi, Bassam, 1997. "Optimal design for a thermosyphon solar water heater," Renewable Energy, Elsevier, vol. 11(3), pages 351-361.
    7. Yi-Mei Liu & Kung-Ming Chung & Keh-Chin Chang & Tsong-Sheng Lee, 2012. "Performance of Thermosyphon Solar Water Heaters in Series," Energies, MDPI, vol. 5(9), pages 1-13, August.
    8. Li, Jiarong & Li, Xiangdong & Wang, Yong & Tu, Jiyuan, 2021. "Long-term performance of a solar water heating system with a novel variable-volume tank," Renewable Energy, Elsevier, vol. 164(C), pages 230-241.
    9. 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.
    10. Myeong Jin Ko, 2015. "Multi-Objective Optimization Design for Indirect Forced-Circulation Solar Water Heating System Using NSGA-II," Energies, MDPI, vol. 8(11), pages 1-25, November.

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