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The aim of the Serres+ project is to develop energy-efficient greenhouses with low carbon footprint for tomato cultivation. In this context, a greenhouse was modelled using TRNSYS software. Experimental data from the CTIFL (Centre Technique Interprofessionnel des Fruits et Légumes) reference greenhouse validated the model. This work is continued here by dynamic thermal simulations using the model adapted to innovative greenhouse geometries. The results show that the sphericity of the greenhouse plays an important role in the transmission of solar radiation. The use of a double skin of ETFE (ethylene tetrafluoroethylene) instead of glass contributes to a more intense greenhouse effect. Heat in excess, captured by the greenhouse, can potentially be stored for reuse during the heating season. These amounts are calculated using the Type56 cooling module, assuming a set temperature of 32 ℃ in the greenhouse and are equal to 11 kWh/m2/year for the CTIFL greenhouse (sphericity 0.585), and 36 and 79 kWh/m2/year for the two innovative greenhouses (sphericity 0.443 and 0.418). Therefore, a link can be established between the greenhouse effect, the potentially storable energy and the sphericity of the greenhouses.

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Modelling of Innovative Greenhouses: Assessment of Solar Radiation Transmission, Analysis of Indoor Climate and Heat Storage Potential

  • 会议论文

  • 发表日期：

    2026年

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  • Abdelouhab Labihi,
  • Paul Byrne,
  • Amina Meslem,
  • Florence Collet,
  • Sylvie Pretot

摘要

The aim of the Serres+ project is to develop energy-efficient greenhouses with low carbon footprint for tomato cultivation. In this context, a greenhouse was modelled using TRNSYS software. Experimental data from the CTIFL (Centre Technique Interprofessionnel des Fruits et Légumes) reference greenhouse validated the model. This work is continued here by dynamic thermal simulations using the model adapted to innovative greenhouse geometries. The results show that the sphericity of the greenhouse plays an important role in the transmission of solar radiation. The use of a double skin of ETFE (ethylene tetrafluoroethylene) instead of glass contributes to a more intense greenhouse effect. Heat in excess, captured by the greenhouse, can potentially be stored for reuse during the heating season. These amounts are calculated using the Type56 cooling module, assuming a set temperature of 32 ℃ in the greenhouse and are equal to 11 kWh/m2/year for the CTIFL greenhouse (sphericity 0.585), and 36 and 79 kWh/m2/year for the two innovative greenhouses (sphericity 0.443 and 0.418). Therefore, a link can be established between the greenhouse effect, the potentially storable energy and the sphericity of the greenhouses.