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Solar heat gains and operative temperature in attached sunspaces

Author

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  • Oliveti, Giuseppe
  • Arcuri, Natale
  • De Simone, Marilena
  • Bruno, Roberto

Abstract

Solar heat gains obtainable from attached sunspaces to air-conditioned rooms are evaluated by means of the solution to the optical problem of incident solar radiation absorption through the windows and of the temperature field in the shell separating the sunspace from outdoors and adjacent spaces. The effective absorption coefficient of the sunspace was used for these evaluations as well as the ratio of the absorbed energy of the internal surfaces to the solar energy entering, and the utilization factor of the solar contributions that represent the fraction of the absorbed energy supplied to the indoor air. With reference to a pre-established geometry and to a system of windows made up of clear double-glazing, the solar gains of the sunspace and the adjacent spaces are calculated for some Italian localities at variation of exposure, optical properties and thermal capacity of the opaque surfaces, the amount of ventilation and of the shading device. Finally, the operative temperature was determined for an estimate of comfort acceptability conditions in the sunspace.

Suggested Citation

  • Oliveti, Giuseppe & Arcuri, Natale & De Simone, Marilena & Bruno, Roberto, 2012. "Solar heat gains and operative temperature in attached sunspaces," Renewable Energy, Elsevier, vol. 39(1), pages 241-249.
    • Handle: RePEc:eee:renene:v:39:y:2012:i:1:p:241-249
    DOI: 10.1016/j.renene.2011.08.010
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    References listed on IDEAS

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    1. Blasco Lucas, I & Hoesé, L & Pontoriero, D, 2000. "Experimental study of passive systems thermal performance," Renewable Energy, Elsevier, vol. 19(1), pages 39-45.
    2. Mihalakakou, G, 2002. "On the use of sunspace for space heating/cooling in Europe," Renewable Energy, Elsevier, vol. 26(3), pages 415-429.
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    Cited by:

    1. Allesina, Giulio & Ferrari, Chiara & Muscio, Alberto & Pedrazzi, Simone, 2019. "Easy to implement ventilated sunspace for energy retrofit of condominium buildings with balconies," Renewable Energy, Elsevier, vol. 141(C), pages 541-548.
    2. Rossano Albatici & Francesco Passerini & Jens Pfafferott, 2016. "Energy Performance of Verandas in the Building Retrofit Process," Energies, MDPI, vol. 9(5), pages 1-12, May.
    3. Stevanović, Sanja, 2013. "Optimization of passive solar design strategies: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 25(C), pages 177-196.
    4. Catarina Ribeiro & Nuno M. M. Ramos & Inês Flores-Colen, 2020. "A Review of Balcony Impacts on the Indoor Environmental Quality of Dwellings," Sustainability, MDPI, vol. 12(16), pages 1-19, August.
    5. María José Suárez López & Antonio José Gutiérrez Trashorras & Jorge Luis Parrondo Gayo & Eduardo Blanco Marigorta, 2018. "Analysis of an Attached Sunspace with a Thermal Inertia Floor," Energies, MDPI, vol. 11(5), pages 1-14, May.
    6. Anna Magrini & Giorgia Lentini, 2020. "NZEB Analyses by Means of Dynamic Simulation and Experimental Monitoring in Mediterranean Climate," Energies, MDPI, vol. 13(18), pages 1-25, September.
    7. Jiang, Wei & Jin, Yang & Liu, Gongliang & Li, Qing & Li, Dong, 2023. "Passive nearly zero energy retrofits of rammed earth rural residential buildings based on energy efficiency and cost-effectiveness analysis," Renewable and Sustainable Energy Reviews, Elsevier, vol. 180(C).
    8. Ahmad Taghdisi & Yousof Ghanbari & Mohammad Eskandari, 2020. "Energy-Conservation Considerations Through a Novel Integration of Sunspace and Solar Chimney in The Terraced Rural Dwellings," International Journal of Energy Economics and Policy, Econjournals, vol. 10(3), pages 1-13.
    9. Carlo Bibbiani & Fabio Fantozzi & Caterina Gargari & Carlo Alberto Campiotti & Patrizia De Rossi, 2019. "Bioclimatic greenhouses for energy efficiency in buildings," RIVISTA DI STUDI SULLA SOSTENIBILITA', FrancoAngeli Editore, vol. 0(2 Suppl.), pages 213-230.
    10. Liu, Yanfeng & Zhao, Yiting & Chen, Yaowen & Wang, Dengjia & Li, Yong & Yuan, Xipeng, 2022. "Design optimization of the solar heating system for office buildings based on life cycle cost in Qinghai-Tibet plateau of China," Energy, Elsevier, vol. 246(C).
    11. Sara Brito-Coimbra & Daniel Aelenei & Maria Gloria Gomes & Antonio Moret Rodrigues, 2021. "Building Façade Retrofit with Solar Passive Technologies: A Literature Review," Energies, MDPI, vol. 14(6), pages 1-18, March.
    12. Qingsong Ma & Hiroatsu Fukuda & Myonghyang Lee & Takumi Kobatake & Yuko Kuma & Akihito Ozaki & Xindong Wei, 2018. "Study on Heat Utilization in an Attached Sunspace in a House with a Central Heating, Ventilation, and Air Conditioning System," Energies, MDPI, vol. 11(5), pages 1-12, May.
    13. Qingsong Ma & Hiroatsu Fukuda & Myonghyang Lee & Takumi Kobatake & Yuko Kuma & Akihito Ozaki & Xindong Wei, 2018. "Experimental Analysis of the Thermal Performance of a Sunspace Attached to a House with a Central Air Conditioning System," Sustainability, MDPI, vol. 10(5), pages 1-17, May.
    14. Francesco Asdrubali & Franco Cotana & Antonio Messineo, 2012. "On the Evaluation of Solar Greenhouse Efficiency in Building Simulation during the Heating Period," Energies, MDPI, vol. 5(6), pages 1-17, June.

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