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Design guideline for application of earth-to-air heat exchanger coupled with solar chimney as a natural heating system

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  • A. P. Haghighi
  • M. Maerefat

Abstract

In the present paper, design of solar chimney (SC) and earth-to-air heat exchanger (EAHE) to meet the thermal need of flat buildings are studied regarding adaptive thermal comfort criteria. Investigation on the effects of geometric features shows that the design of SC with the air gap and outlet sizes of 0.2 m and also EAHE with the diameter and length of 0.5 and 25.0 m reveals better performance. Thermal comfort analysis shows that the SC is capable to power the underground heating system during few hours of the sunny days even at the ambient temperature as low as 0°C and the heating demand of 1000 W without needing the auxiliary devices. In addition, the required numbers of SCs and the underground air channels are strongly influenced by environmental outdoor conditions and heating demand of building and are approximately calculated by: roomvolume/50and2×(roomvolume/50)+1, respectively.

Suggested Citation

  • A. P. Haghighi & M. Maerefat, 2015. "Design guideline for application of earth-to-air heat exchanger coupled with solar chimney as a natural heating system," International Journal of Low-Carbon Technologies, Oxford University Press, vol. 10(3), pages 294-304.
    • Handle: RePEc:oup:ijlctc:v:10:y:2015:i:3:p:294-304.
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    File URL: http://hdl.handle.net/10.1093/ijlct/ctu006
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    Citations

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    Cited by:

    1. Monghasemi, Nima & Vadiee, Amir, 2018. "A review of solar chimney integrated systems for space heating and cooling application," Renewable and Sustainable Energy Reviews, Elsevier, vol. 81(P2), pages 2714-2730.
    2. María M. Villar-Ramos & Iván Hernández-Pérez & Karla M. Aguilar-Castro & Ivett Zavala-Guillén & Edgar V. Macias-Melo & Irving Hernández-López & Juan Serrano-Arellano, 2022. "A Review of Thermally Activated Building Systems (TABS) as an Alternative for Improving the Indoor Environment of Buildings," Energies, MDPI, vol. 15(17), pages 1-31, August.
    3. Guohui Gan, 2017. "Impacts of dynamic interactions on the predicted thermal performance of earth–air heat exchangers for preheating, cooling and ventilation of buildings," International Journal of Low-Carbon Technologies, Oxford University Press, vol. 12(2), pages 208-223.
    4. Zhang, Haihua & Yang, Dong & Tam, Vivian W.Y. & Tao, Yao & Zhang, Guomin & Setunge, Sujeeva & Shi, Long, 2021. "A critical review of combined natural ventilation techniques in sustainable buildings," Renewable and Sustainable Energy Reviews, Elsevier, vol. 141(C).
    5. Wei, Haibin & Yang, Dong & Guo, Yuanhao & Chen, Mengqian, 2018. "Coupling of earth-to-air heat exchangers and buoyancy for energy-efficient ventilation of buildings considering dynamic thermal behavior and cooling/heating capacity," Energy, Elsevier, vol. 147(C), pages 587-602.

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