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Numerical and experimental study of a closed loop for ground heat exchanger coupled with heat pump system and a solar collector for heating a glass greenhouse in north of Tunisia.

Author(s) : AWANI S., KOOLI S., CHARGUI R., et al.

Type of article: Article, IJR article

Summary

This work emphasizes the exploitation of renewable energy sources for heating a greenhouse, which requires the use of a horizontal heat exchanger, a heat pump associated with a solar collector in numerical and experimental investigations. This study demonstrates the performance of a heat pump system assisted by solar and geothermal energy under the climatic conditions of Tunisia. This system was designed and installed in Thermal Process Laboratory; Research and Technology Centre of Energy CRTEn Borj Cedria. The surface area and of the glass greenhouse used in the experimental model are 14.8 m2 as surface area.
We precede several experimental data for realizing a numerical model based on TRNSYS software. For this point of view a numerical model was improved using 100 m2 and 229.5 m3 as surface and volume areas. The water-air heat pump is coupled with a ground heat exchanger (GHE) with 1m of depth. The distance between two consecutive tubes is 0.3 m. The surface area of the solar collector is 8 m2.

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Pages: 328-341

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Details

  • Original title: Numerical and experimental study of a closed loop for ground heat exchanger coupled with heat pump system and a solar collector for heating a glass greenhouse in north of Tunisia.
  • Record ID : 30022256
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 76
  • Publication date: 2017/04
  • DOI: http://dx.doi.org/10.1016/j.ijrefrig.2017.01.030

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