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Geothermal earth heat exchanger.

Author(s) : PANICKER R.

Type of article: Article

Summary

An earth to air heat exchanger (EAHA) utilizes the thermal mass of the soil surrounding of beneath the building in order to pre-heat or pre-cool incoming ventilation air. With the ground's large thermal capacity and relatively stable temperature, outdoor temperature variations are dampened and ventilation heating and cooling loads are reduced. This study emphasises earth-air heat exchanger, which are a promising technology for passive heating/cooling buildings. Several research papers have been published in which sophisticated design equations are given, which cannot be easily implemented. This study presents a simplified analysis of design equations that has been validated with Computational Fluid Dynamics (CFD) at an early stage of EAHE design, and can be implemented through a spreadsheet.

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Pages: 42-52

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Details

  • Original title: Geothermal earth heat exchanger.
  • Record ID : 30021289
  • Languages: English
  • Source: Air Conditioning and Refrigeration Journal - vol. 19 - n. 6
  • Publication date: 2016/11

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