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Field investigation of night radiation cooling under tropical climate

Author

Listed:
  • Khedari, J.
  • Waewsak, J.
  • Thepa, S.
  • Hirunlabh, J.

Abstract

This paper discusses the feasibility of cooling by using night radiation under Thailand’s hot and humid climate. Four types of roof radiators were made by using common construction materials. They were examined under three sky conditions: clear, cloudy and rainy, respectively. Investigation was done, mainly, based on the temperature of different surfaces of a roof radiator. The experimental results showed that the depression of different surface temperatures is in the range of 1–6°C below ambient temperature under clear and cloudy skies. Under rainy skies, the temperature of different surfaces of roof radiators and ambient air was fairly close. Apart from sky conditions, the factors which affect the night radiation cooling are the thermal emissivity of materials and water condensation on the radiator surface area. Finally, this first study indicated that cooling by using night radiation is feasible mainly during tropical winter season.

Suggested Citation

  • Khedari, J. & Waewsak, J. & Thepa, S. & Hirunlabh, J., 2000. "Field investigation of night radiation cooling under tropical climate," Renewable Energy, Elsevier, vol. 20(2), pages 183-193.
    • Handle: RePEc:eee:renene:v:20:y:2000:i:2:p:183-193
    DOI: 10.1016/S0960-1481(99)00104-4
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    Citations

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    Cited by:

    1. Liang, Ruobing & Zhou, Chao & Zhang, Jili & Chen, Jianquan & Riaz, Ahmad, 2020. "Characteristics analysis of the photovoltaic thermal heat pump system on refrigeration mode: An experimental investigation," Renewable Energy, Elsevier, vol. 146(C), pages 2450-2461.
    2. Gopalakrishna Gangisetty & Ron Zevenhoven, 2023. "A Review of Nanoparticle Material Coatings in Passive Radiative Cooling Systems Including Skylights," Energies, MDPI, vol. 16(4), pages 1-59, February.
    3. Ming, Tingzhen & de_Richter, Renaud & Liu, Wei & Caillol, Sylvain, 2014. "Fighting global warming by climate engineering: Is the Earth radiation management and the solar radiation management any option for fighting climate change?," Renewable and Sustainable Energy Reviews, Elsevier, vol. 31(C), pages 792-834.
    4. Rachana Vidhi, 2018. "A Review of Underground Soil and Night Sky as Passive Heat Sink: Design Configurations and Models," Energies, MDPI, vol. 11(11), pages 1-24, October.
    5. Tso, C.Y. & Chan, K.C. & Chao, Christopher Y.H., 2017. "A field investigation of passive radiative cooling under Hong Kong’s climate," Renewable Energy, Elsevier, vol. 106(C), pages 52-61.
    6. Maneewan, S. & Khedari, J. & Zeghmati, B. & Hirunlabh, J. & Eakburanawat, J., 2004. "Investigation on generated power of thermoelectric roof solar collector," Renewable Energy, Elsevier, vol. 29(5), pages 743-752.
    7. Golaka, Auttapol & Exell, R.H.B., 2007. "An investigation into the use of a wind shield to reduce the convective heat flux to a nocturnal radiative cooling surface," Renewable Energy, Elsevier, vol. 32(4), pages 593-608.
    8. Shidong Wang & Xing Wang & Mingqiang Mao & Yongtao Wang & Shiping Liu & Baoming Luo & Tao Li, 2023. "The Influence of Storage Tank Volume on the Nighttime Heat Dissipation and Freezing Process of All-Glass Vacuum Tube Solar Water Heaters," Energies, MDPI, vol. 16(12), pages 1-24, June.
    9. Lu, Xing & Xu, Peng & Wang, Huilong & Yang, Tao & Hou, Jin, 2016. "Cooling potential and applications prospects of passive radiative cooling in buildings: The current state-of-the-art," Renewable and Sustainable Energy Reviews, Elsevier, vol. 65(C), pages 1079-1097.
    10. Zhao, Bin & Hu, Mingke & Ao, Xianze & Chen, Nuo & Pei, Gang, 2019. "Radiative cooling: A review of fundamentals, materials, applications, and prospects," Applied Energy, Elsevier, vol. 236(C), pages 489-513.
    11. Man, Yi & Yang, Hongxing & Spitler, Jeffrey D. & Fang, Zhaohong, 2011. "Feasibility study on novel hybrid ground coupled heat pump system with nocturnal cooling radiator for cooling load dominated buildings," Applied Energy, Elsevier, vol. 88(11), pages 4160-4171.
    12. Zhang, Kai & Zhao, Dongliang & Yin, Xiaobo & Yang, Ronggui & Tan, Gang, 2018. "Energy saving and economic analysis of a new hybrid radiative cooling system for single-family houses in the USA," Applied Energy, Elsevier, vol. 224(C), pages 371-381.

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