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Study of the Effects of Vent Configuration on Mono-Span Greenhouse Ventilation Using Computational Fluid Dynamics

Author

Listed:
  • Mohammad Akrami

    (Department of Engineering, University of Exeter, Exeter EX4 4QF, UK)

  • Akbar A. Javadi

    (Department of Engineering, University of Exeter, Exeter EX4 4QF, UK)

  • Matthew J. Hassanein

    (Department of Engineering, University of Exeter, Exeter EX4 4QF, UK)

  • Raziyeh Farmani

    (Department of Engineering, University of Exeter, Exeter EX4 4QF, UK)

  • Mahdieh Dibaj

    (Department of Engineering, University of Exeter, Exeter EX4 4QF, UK)

  • Gavin R. Tabor

    (Department of Engineering, University of Exeter, Exeter EX4 4QF, UK)

  • Abdelazim Negm

    (Water and Water structures Engineering Department, Faculty of Engineering, Zagazig University, Zagaizg 44519, Egypt)

Abstract

The rise in the human population, its density and scarcity of resources require cost-effective solutions for sustainable energy and water resources. Smart and sustainable agriculture is one important factor for future green cities to tackle climate change as a cost-effective solution to save energy and water. However, greenhouses (GH) require consistent ventilation due to their internal temperatures, and this can be an energy-intensive operation. Therefore, it is necessary to analyse the potential factors involved. In this study, the effect of vent configuration of a mono-span greenhouse with roof and side vents at low wind speeds was investigated using computational fluid dynamics (CFD). The validated simulations were then performed on different models to analyse the effects of the vents’ locations on the ventilation requirements. The side vents were found to contribute most to the ventilation. The position of the side vent was found to affect the convection loop in the greenhouse and the air velocity at the plant level. The humidity was shown to be highest under the windward side vent. The roof vent was found to affect the temperature and air velocity in the roof of the greenhouse but had very little effect on the distributions at the plant level.

Suggested Citation

  • Mohammad Akrami & Akbar A. Javadi & Matthew J. Hassanein & Raziyeh Farmani & Mahdieh Dibaj & Gavin R. Tabor & Abdelazim Negm, 2020. "Study of the Effects of Vent Configuration on Mono-Span Greenhouse Ventilation Using Computational Fluid Dynamics," Sustainability, MDPI, vol. 12(3), pages 1-26, January.
    • Handle: RePEc:gam:jsusta:v:12:y:2020:i:3:p:986-:d:314312
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    References listed on IDEAS

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    1. Aref Arfaei & Polat Hançer, 2019. "Effect of the Built Environment on Natural Ventilation in a Historical Environment: Case of the Walled City of Famagusta," Sustainability, MDPI, vol. 11(21), pages 1-17, October.
    2. El-Ghonemy, A.M.K., 2012. "Future sustainable water desalination technologies for the Saudi Arabia: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 16(9), pages 6566-6597.
    3. Jiying Liu & Mohammad Heidarinejad & Saber Khoshdel Nikkho & Nicholas W. Mattise & Jelena Srebric, 2019. "Quantifying Impacts of Urban Microclimate on a Building Energy Consumption—A Case Study," Sustainability, MDPI, vol. 11(18), pages 1-21, September.
    4. Gebreslassie, Mulualem G. & Tabor, Gavin R. & Belmont, Michael R., 2015. "Investigation of the performance of a staggered configuration of tidal turbines using CFD," Renewable Energy, Elsevier, vol. 80(C), pages 690-698.
    5. Eliseo Bustamante & Fernando-Juan García-Diego & Salvador Calvet & Antonio G. Torres & Antonio Hospitaler, 2015. "Measurement and Numerical Simulation of Air Velocity in a Tunnel-Ventilated Broiler House," Sustainability, MDPI, vol. 7(2), pages 1-20, February.
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    Citations

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    Cited by:

    1. Edwin Villagran & Carlos Bojacá & Mohammad Akrami, 2021. "Contribution to the Sustainability of Agricultural Production in Greenhouses Built on Slope Soils: A Numerical Study of the Microclimatic Behavior of a Typical Colombian Structure," Sustainability, MDPI, vol. 13(9), pages 1-22, April.
    2. Gloria Alexandra Ortiz Rocha & Maria Angelica Pichimata & Edwin Villagran, 2021. "Research on the Microclimate of Protected Agriculture Structures Using Numerical Simulation Tools: A Technical and Bibliometric Analysis as a Contribution to the Sustainability of Under-Cover Cropping," Sustainability, MDPI, vol. 13(18), pages 1-40, September.
    3. Chrysanthos Maraveas & Christos-Spyridon Karavas & Dimitrios Loukatos & Thomas Bartzanas & Konstantinos G. Arvanitis & Eleni Symeonaki, 2023. "Agricultural Greenhouses: Resource Management Technologies and Perspectives for Zero Greenhouse Gas Emissions," Agriculture, MDPI, vol. 13(7), pages 1-46, July.
    4. Mohammad Akrami & Alaa H. Salah & Akbar A. Javadi & Hassan E.S. Fath & Matthew J. Hassanein & Raziyeh Farmani & Mahdieh Dibaj & Abdelazim Negm, 2020. "Towards a Sustainable Greenhouse: Review of Trends and Emerging Practices in Analysing Greenhouse Ventilation Requirements to Sustain Maximum Agricultural Yield," Sustainability, MDPI, vol. 12(7), pages 1-18, April.
    5. Edwin Villagran & Rommel Leon & Andrea Rodriguez & Jorge Jaramillo, 2020. "3D Numerical Analysis of the Natural Ventilation Behavior in a Colombian Greenhouse Established in Warm Climate Conditions," Sustainability, MDPI, vol. 12(19), pages 1-27, October.
    6. Hassan A. Awaad & Elsayed Mansour & Mohammad Akrami & Hassan E.S. Fath & Akbar A. Javadi & Abdelazim Negm, 2020. "Availability and Feasibility of Water Desalination as a Non-Conventional Resource for Agricultural Irrigation in the MENA Region: A Review," Sustainability, MDPI, vol. 12(18), pages 1-14, September.
    7. Edwin Villagrán & Jorge Flores-Velazquez & Mohammad Akrami & Carlos Bojacá, 2021. "Influence of the Height in a Colombian Multi-Tunnel Greenhouse on Natural Ventilation and Thermal Behavior: Modeling Approach," Sustainability, MDPI, vol. 13(24), pages 1-26, December.
    8. Mohammad Akrami & Can Dogan Mutlum & Akbar A. Javadi & Alaa H. Salah & Hassan E. S. Fath & Mahdieh Dibaj & Raziyeh Farmani & Ramy H. Mohammed & Abdelazim Negm, 2021. "Analysis of Inlet Configurations on the Microclimate Conditions of a Novel Standalone Agricultural Greenhouse for Egypt Using Computational Fluid Dynamics," Sustainability, MDPI, vol. 13(3), pages 1-23, January.

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