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Energy from a two-pipe, earth-to-air heat exchanger

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  • Bojić, M
  • Papadakis, G
  • Kyritsis, S

Abstract

Solar energy accumulated in the soil may be utilized with an air-to-earth heat exchanger (ATEHE) which has two pipes buried in the soil, one made of PVC and one of steel. During the winter, air is heated; during the summer, it is cooled and then used in an air-conditioning device. To obtain the mathematical model of the ATEHE, we divided the soil and pipes into elementary volumes, used steady-state energy equations, and applied a time-marching method. We determined how the season, soil thermal conductivity and pipe spacing influence energy transfer from the soil to the ATEHE and also the steel-pipe contribution to this energy transfer.

Suggested Citation

  • Bojić, M & Papadakis, G & Kyritsis, S, 1999. "Energy from a two-pipe, earth-to-air heat exchanger," Energy, Elsevier, vol. 24(6), pages 519-523.
    • Handle: RePEc:eee:energy:v:24:y:1999:i:6:p:519-523
    DOI: 10.1016/S0360-5442(99)00012-2
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    Citations

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    Cited by:

    1. Badescu, Viorel, 2007. "Simple and accurate model for the ground heat exchanger of a passive house," Renewable Energy, Elsevier, vol. 32(5), pages 845-855.
    2. Misra, Rohit & Bansal, Vikas & Agrawal, Ghanshyam Das & Mathur, Jyotirmay & Aseri, Tarun K., 2013. "CFD analysis based parametric study of derating factor for Earth Air Tunnel Heat Exchanger," Applied Energy, Elsevier, vol. 103(C), pages 266-277.
    3. Soni, Suresh Kumar & Pandey, Mukesh & Bartaria, Vishvendra Nath, 2015. "Ground coupled heat exchangers: A review and applications," Renewable and Sustainable Energy Reviews, Elsevier, vol. 47(C), pages 83-92.
    4. Bansal, Vikas & Misra, Rohit & Agarwal, Ghanshyam Das & Mathur, Jyotirmay, 2013. "‘Derating Factor’ new concept for evaluating thermal performance of earth air tunnel heat exchanger: A transient CFD analysis," Applied Energy, Elsevier, vol. 102(C), pages 418-426.
    5. Mihalakakou, Giouli & Souliotis, Manolis & Papadaki, Maria & Halkos, George & Paravantis, John & Makridis, Sofoklis & Papaefthimiou, Spiros, 2022. "Applications of earth-to-air heat exchangers: A holistic review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 155(C).
    6. Ozgener, Onder & Ozgener, Leyla & Goswami, D. Yogi, 2017. "Seven years energetic and exergetic monitoring for vertical and horizontal EAHE assisted agricultural building heating," Renewable and Sustainable Energy Reviews, Elsevier, vol. 80(C), pages 175-179.
    7. Soni, Suresh Kumar & Pandey, Mukesh & Bartaria, Vishvendra Nath, 2016. "Hybrid ground coupled heat exchanger systems for space heating/cooling applications: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 60(C), pages 724-738.
    8. Singh, Ramkishore & Sawhney, R.L. & Lazarus, I.J. & Kishore, V.V.N., 2018. "Recent advancements in earth air tunnel heat exchanger (EATHE) system for indoor thermal comfort application: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 82(P3), pages 2162-2185.
    9. Badescu, Viorel & Isvoranu, Dragos, 2011. "Pneumatic and thermal design procedure and analysis of earth-to-air heat exchangers of registry type," Applied Energy, Elsevier, vol. 88(4), pages 1266-1280, April.
    10. Peretti, Clara & Zarrella, Angelo & De Carli, Michele & Zecchin, Roberto, 2013. "The design and environmental evaluation of earth-to-air heat exchangers (EAHE). A literature review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 28(C), pages 107-116.
    11. Ozgener, Leyla & Ozgener, Onder, 2010. "Energetic performance test of an underground air tunnel system for greenhouse heating," Energy, Elsevier, vol. 35(10), pages 4079-4085.

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