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Cooling potential of ventilated PV façade and solar air heaters combined with a desiccant cooling machine

Author

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  • Mei, Li
  • Infield, David
  • Eicker, Ursula
  • Loveday, Dennis
  • Fux, Volker

Abstract

Thermal energy collected from a PV-solar air heating system is being used to provide cooling for the Mataro Library, near Barcelona. The system is designed to utilise surplus heat available from the ventilated PV facade and PV shed elements during the summer season to provide building cooling. A desiccant cooling machine was installed on the library roof with an additional solar air collector and connected to the existing ventilated PV façade and PV sheds. The desiccant cooling cycle is a novel open heat driven system that can be used to condition the air supplied to the building interior. Cooling power is supplied to the room space within the building by evaporative cooling of the fresh air supply, and the solar heat from the PV-solar air heating system provides the necessary regeneration air temperature for the desiccant machine. This paper describes the system and gives the main technical details. The cooling performance of the solar powered desiccant cooling system is evaluated by the detailed modelling of the complete cooling process. It is shown that air temperature level of the PV-solar air heating system of 70°C or more can be efficiently used to regenerate the sorption wheel in the desiccant cooling machine. A solar fraction of 75% can be achieved by such an innovative system and the average COP of the cooling machine over the summer season is approximate 0.518.

Suggested Citation

  • Mei, Li & Infield, David & Eicker, Ursula & Loveday, Dennis & Fux, Volker, 2006. "Cooling potential of ventilated PV façade and solar air heaters combined with a desiccant cooling machine," Renewable Energy, Elsevier, vol. 31(8), pages 1265-1278.
    • Handle: RePEc:eee:renene:v:31:y:2006:i:8:p:1265-1278
    DOI: 10.1016/j.renene.2005.06.013
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    Citations

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    Cited by:

    1. Lo Basso, Gianluigi & de Santoli, Livio & Paiolo, Romano & Losi, Claudio, 2021. "The potential role of trans-critical CO2 heat pumps within a solar cooling system for building services: The hybridised system energy analysis by a dynamic simulation model," Renewable Energy, Elsevier, vol. 164(C), pages 472-490.
    2. Zogou, Olympia & Stapountzis, Herricos, 2011. "Energy analysis of an improved concept of integrated PV panels in an office building in central Greece," Applied Energy, Elsevier, vol. 88(3), pages 853-866, March.
    3. Zondag, H.A., 2008. "Flat-plate PV-Thermal collectors and systems: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 12(4), pages 891-959, May.
    4. Guo, Jinyi & Lin, Simao & Bilbao, Jose I. & White, Stephen D. & Sproul, Alistair B., 2017. "A review of photovoltaic thermal (PV/T) heat utilisation with low temperature desiccant cooling and dehumidification," Renewable and Sustainable Energy Reviews, Elsevier, vol. 67(C), pages 1-14.
    5. Zouaoui, Ahlem & Zili-Ghedira, Leila & Ben Nasrallah, Sassi, 2016. "Open solid desiccant cooling air systems: A review and comparative study," Renewable and Sustainable Energy Reviews, Elsevier, vol. 54(C), pages 889-917.
    6. La, D. & Dai, Y.J. & Li, Y. & Wang, R.Z. & Ge, T.S., 2010. "Technical development of rotary desiccant dehumidification and air conditioning: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 14(1), pages 130-147, January.
    7. Renos Rotas & Maria Fotopoulou & Panagiotis Drosatos & Dimitrios Rakopoulos & Nikos Nikolopoulos, 2023. "Adaptive Dynamic Building Envelopes with Solar Power Components: Annual Performance Assessment for Two Pilot Sites," Energies, MDPI, vol. 16(5), pages 1-20, February.
    8. Erdil, Erzat & Ilkan, Mustafa & Egelioglu, Fuat, 2008. "An experimental study on energy generation with a photovoltaic (PV)–solar thermal hybrid system," Energy, Elsevier, vol. 33(8), pages 1241-1245.
    9. Prieto, Alejandro & Knaack, Ulrich & Klein, Tillmann & Auer, Thomas, 2017. "25 Years of cooling research in office buildings: Review for the integration of cooling strategies into the building façade (1990–2014)," Renewable and Sustainable Energy Reviews, Elsevier, vol. 71(C), pages 89-102.
    10. Kumar, Rakesh & Rosen, Marc A., 2011. "A critical review of photovoltaic–thermal solar collectors for air heating," Applied Energy, Elsevier, vol. 88(11), pages 3603-3614.
    11. Panaras, G. & Mathioulakis, E. & Belessiotis, V., 2011. "Proposal of a control strategy for desiccant air-conditioning systems," Energy, Elsevier, vol. 36(9), pages 5666-5676.

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