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Optimization of tank and flat-plate collector of solar water heating system for single-family households to assure economic efficiency through the TRNSYS program

Author

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  • Lima, Juliana Benoni Arruda
  • Prado, Racine T.A.
  • Montoro Taborianski, Vanessa

Abstract

Solar water heating systems are widely used in Brazil for domestic purposes in single-family households. The exploitation of the potential energy of the water from the upper tank and the thermosyphon phenomena for hot water circulation constitutes the absolute majority of the residential solar water heating systems in the country. But, these water heating systems are usually sized according to tables provided by the manufacturers, which show the number of plates required based on the size of the family and the number of hot water outlets. This sizing is based much more on intuition rather than on scientific data. For that reason, this work has developed an optimization model for water heating systems design parameters, using a numerical simulation routine, in a long-term transient regime. The optimized design gives the slope and area of the flat plate collector, which results in the minimum cost over the equipment life cycle. The computing procedure was executed considering specific characteristics of the project. A thermosyphon solar water heating system with flat-plate collector for Sao Paulo's climate was simulated. The practice of Brazilian designers and manufacturers is to recommend the maximization of the energetic gain for the winter. This paper has analyzed in economic terms if it is more attractive to increase the gain of solar energy in the winter period, with the consequence of reduction of the solar energy gain along the year, or to adopt the adequate slope, which improves the yearly solar energy gain.

Suggested Citation

  • Lima, Juliana Benoni Arruda & Prado, Racine T.A. & Montoro Taborianski, Vanessa, 2006. "Optimization of tank and flat-plate collector of solar water heating system for single-family households to assure economic efficiency through the TRNSYS program," Renewable Energy, Elsevier, vol. 31(10), pages 1581-1595.
    • Handle: RePEc:eee:renene:v:31:y:2006:i:10:p:1581-1595
    DOI: 10.1016/j.renene.2005.09.006
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    Citations

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    Cited by:

    1. Figaj, Rafał & Żołądek, Maciej, 2021. "Experimental and numerical analysis of hybrid solar heating and cooling system for a residential user," Renewable Energy, Elsevier, vol. 172(C), pages 955-967.
    2. Rey, Anthony & Zmeureanu, Radu, 2018. "Multi-objective optimization framework for the selection of configuration and equipment sizing of solar thermal combisystems," Energy, Elsevier, vol. 145(C), pages 182-194.
    3. Miroslaw Zukowski & Walery Jezierski, 2021. "New Deterministic Mathematical Model for Estimating the Useful Energy Output of a Medium-Sized Solar Domestic Hot Water System," Energies, MDPI, vol. 14(10), pages 1-18, May.
    4. Taborianski, Vanessa Montoro & Pacca, Sergio Almeida, 2022. "Carbon dioxide emission reduction potential for low income housing units based on photovoltaic systems in distinct climatic regions," Renewable Energy, Elsevier, vol. 198(C), pages 1440-1447.
    5. Fong, K.F. & Lee, C.K., 2015. "Investigation of separate or integrated provision of solar cooling and heating for use in typical low-rise residential building in subtropical Hong Kong," Renewable Energy, Elsevier, vol. 75(C), pages 847-855.
    6. Suárez, I. & Prieto, M.M. & Fernández, F.J., 2013. "Analysis of potential energy, economic and environmental savings in residential buildings: Solar collectors combined with microturbines," Applied Energy, Elsevier, vol. 104(C), pages 128-136.
    7. Rodríguez-Hidalgo, M.C. & Rodríguez-Aumente, P.A. & Lecuona, A. & Legrand, M. & Ventas, R., 2012. "Domestic hot water consumption vs. solar thermal energy storage: The optimum size of the storage tank," Applied Energy, Elsevier, vol. 97(C), pages 897-906.
    8. Yanfeng Liu & Tao Li & Yaowen Chen & Dengjia Wang, 2017. "Optimization of Solar Water Heating System under Time and Spatial Partition Heating in Rural Dwellings," Energies, MDPI, vol. 10(10), pages 1-19, October.
    9. Naspolini, Helena F. & Rüther, Ricardo, 2012. "Assessing the technical and economic viability of low-cost domestic solar hot water systems (DSHWS) in low-income residential dwellings in Brazil," Renewable Energy, Elsevier, vol. 48(C), pages 92-99.
    10. Liu, Baihong & Gao, Wenfeng & Zhang, Yougang & Ding, Xiang & Li, Qiong & Wang, Jinsong, 2023. "Effect of initial temperature of water in a solar hot water storage tank on the thermal stratification under the discharging mode," Renewable Energy, Elsevier, vol. 212(C), pages 994-1004.
    11. Qiu, Guodong & Yu, Shipeng & Cai, Weihua, 2021. "A novel heating strategy and its optimization of a solar heating system for a commercial building in term of economy," Energy, Elsevier, vol. 221(C).
    12. 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.
    13. Shrivastava, R.L. & Vinod Kumar, & Untawale, S.P., 2017. "Modeling and simulation of solar water heater: A TRNSYS perspective," Renewable and Sustainable Energy Reviews, Elsevier, vol. 67(C), pages 126-143.
    14. 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.
    15. Yan, Chengchu & Wang, Shengwei & Ma, Zhenjun & Shi, Wenxing, 2015. "A simplified method for optimal design of solar water heating systems based on life-cycle energy analysis," Renewable Energy, Elsevier, vol. 74(C), pages 271-278.
    16. Gautam, Abhishek & Chamoli, Sunil & Kumar, Alok & Singh, Satyendra, 2017. "A review on technical improvements, economic feasibility and world scenario of solar water heating system," Renewable and Sustainable Energy Reviews, Elsevier, vol. 68(P1), pages 541-562.
    17. Syed Ali Raza & Syed Sulman Ahmad & Tahir Abdul Hussain Ratlamwala & Ghulam Hussain & Mohammed Alkahtani, 2020. "Techno-Economic Analysis of Glazed, Unglazed and Evacuated Tube Solar Water Heaters," Energies, MDPI, vol. 13(23), pages 1-18, November.

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