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Experimental Analysis of the Thermal Performance of a Sunspace Attached to a House with a Central Air Conditioning System

Author

Listed:
  • Qingsong Ma

    (Department of Architecture, The University of Kitakyushu, Kitakyushu 808-0135, Japan)

  • Hiroatsu Fukuda

    (Department of Architecture, The University of Kitakyushu, Kitakyushu 808-0135, Japan
    School of Architecture and Civil Engineering, Chengdu University, Chengdu 610106, China)

  • Myonghyang Lee

    (Department of Architecture and Urban Design, Ritsumeikan University, Kyoto 603-8577, Japan)

  • Takumi Kobatake

    (Tohata Architects & Engineers, Osaka 541-0043, Japan)

  • Yuko Kuma

    (Faculty of Engineering, Shonan Institute of Technology, Kanagawa 251-0046, Japan)

  • Akihito Ozaki

    (Department of Architecture and Urban Design, Kyushu University, Fukuoka 812-0053, Japan)

  • Xindong Wei

    (School of Environmental and Municipal Engineering, Jilin Jianzhu University, Changchun 130118, China)

Abstract

In this paper, the thermal performance of a sunspace attached to a house with a central air conditioning system was experimentally investigated. The house with a south-facing sunspace is located in Miyazaki, Japan, where heating is required in winter. In order to reduce the heating energy in winter, the hot air from the attached sunspace is sent to the central air conditioning room, from where it is then distributed and stored throughout the house by way of air circulation. Only when the temperature in the sunspace exceeds 24 °C is the hot air in the sunspace sent to the central air conditioning room. The air circulation between the attached sunspace and central air conditioning room is 500 m 3 /h. The temperature of the attached sunspace and each room were measured. The results showed that a house with a sunspace can save about 12.2% of energy compared to a house without a sunspace.

Suggested Citation

  • 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.
    • Handle: RePEc:gam:jsusta:v:10:y:2018:i:5:p:1428-:d:144577
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    References listed on IDEAS

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    3. Rempel, Alexandra R. & Rempel, Alan W. & Gates, Kenneth R. & Shaw, Barbara, 2016. "Climate-responsive thermal mass design for Pacific Northwest sunspaces," Renewable Energy, Elsevier, vol. 85(C), pages 981-993.
    4. Zhai, X.Q. & Song, Z.P. & Wang, R.Z., 2011. "A review for the applications of solar chimneys in buildings," Renewable and Sustainable Energy Reviews, Elsevier, vol. 15(8), pages 3757-3767.
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    Cited by:

    1. Lin Pan & Sheng Wang & Jiying Wang & Min Xiao & Zhirong Tan, 2022. "Research on Central Air Conditioning Systems and an Intelligent Prediction Model of Building Energy Load," Energies, MDPI, vol. 15(24), pages 1-31, December.

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