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Design and characterization of a geothermal earth-air heat [exchanger], applied to nZEB building.

Diseño y caracterización de un intercambiador geotérmico tierra-aire (EAHX), aplicado a la ventilación de un edificio nZEB.

Number: pap. 1119

Author(s) : REY J. M., LORENZO GONZÁLEZ S., SAN JOSE ALONSO J., et al.

Summary

The target of near zero energy buildings nZEB in the European Union, imply the use of new renewable energy technologies integrated into these buildings. Among them is the geothermal energy through an earth-air heat exchanger. The use of air as a heat transfer fluid can reduce the energy consumption in the ventilation required to achieve the desired Indoor Air Quality (IAQ). This study analyses the design and characterization of a geothermal Earth-Air Heat eXchanger (EAHX) installed in a nZEB located in the campus of the University of Valladolid. This work presents the actual measurements of temperature, air flow and velocity, which allows the calculation of the energy savings. These energy savings are then related to the energy efficiency of the building’s ventilation and the operation of the system in heating and cooling mode.

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Pages: 8

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Details

  • Original title: Diseño y caracterización de un intercambiador geotérmico tierra-aire (EAHX), aplicado a la ventilación de un edificio nZEB.
  • Record ID : 30024095
  • Languages: Spanish
  • Subject: Environment
  • Source: CYTEF 2018. IX Congreso Ibérico y VII Congreso Iberoamericano de Ciencias y Técnicas del Frío, Valencia, España, 19-21 junio 2018.
  • Publication date: 2018/06/19

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