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Numerical simulation of thermal behavior of a ventilated arc greenhouse during a solar day

Author

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  • Fidaros, D.K.
  • Baxevanou, C.A.
  • Bartzanas, T.
  • Kittas, C.

Abstract

In the present study the transport phenomena occurring inside a ventilated arc type tunnel greenhouse are simulated during a solar day taking into account the optical properties of plants only in the photosynthetic active radiation (PAR) band. The simulation concerns the day of autumn equinox for an area of central Greece. Two cases are investigated: in the first case the external temperature is considered to be constant while in the second is considered to vary during the day. In order to solve the equations describing the transport phenomena inside the greenhouse a finite volume method is used. Tomato crop inside the greenhouse is simulated as porous material while radiation transport is modelled by the Discrete Ordinates (DO) model. Flow is considered to be incompressible, unsteady and turbulent. From the results it comes out that the consideration of external temperature variation is very important since the internal thermal field is determined by the convection induced by the entering stream except the area covered by a big recirculation in the middle of the greenhouse close to the cover and the close to ground corners where the effect of the entering stream is weak. The distribution of PAR is independent of the external temperature and presents symmetrical time behavior ensuring capable amounts of radiation in all the crops during at least 8 h a day.

Suggested Citation

  • Fidaros, D.K. & Baxevanou, C.A. & Bartzanas, T. & Kittas, C., 2010. "Numerical simulation of thermal behavior of a ventilated arc greenhouse during a solar day," Renewable Energy, Elsevier, vol. 35(7), pages 1380-1386.
    • Handle: RePEc:eee:renene:v:35:y:2010:i:7:p:1380-1386
    DOI: 10.1016/j.renene.2009.11.013
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    Citations

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    Cited by:

    1. Kangji Li & Yanhui Mi & Wen Zheng, 2023. "An Optimal Control Method for Greenhouse Climate Management Considering Crop Growth’s Spatial Distribution and Energy Consumption," Energies, MDPI, vol. 16(9), pages 1-19, May.
    2. Guan, Yong & Wang, Tuo & Tang, Rui & Hu, Wanling & Guo, Jianxuan & Yang, Huijun & Zhang, Yun & Duan, Shijian, 2020. "Numerical study on the heat release capacity of the active-passive phase change wall affected by ventilation velocity," Renewable Energy, Elsevier, vol. 150(C), pages 1047-1056.
    3. Morice R. O. Odhiambo & Adnan Abbas & Xiaochan Wang & Ehsan Elahi, 2020. "Thermo-Environmental Assessment of a Heated Venlo-Type Greenhouse in the Yangtze River Delta Region," Sustainability, MDPI, vol. 12(24), pages 1-34, December.
    4. Saberian, Ayad & Sajadiye, Seyed Majid, 2019. "The effect of dynamic solar heat load on the greenhouse microclimate using CFD simulation," Renewable Energy, Elsevier, vol. 138(C), pages 722-737.
    5. 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.
    6. Román-Roldán, N.I. & Ituna Yudonago, J.F. & López-Ortiz, A. & Rodríguez-Ramírez, J. & Sandoval-Torres, S., 2021. "A new air recirculation system for homogeneous solar drying: Computational fluid dynamics approach," Renewable Energy, Elsevier, vol. 179(C), pages 1727-1741.
    7. Hankun Lin & Yiqiang Xiao & Florian Musso & Yao Lu, 2019. "Green Façade Effects on Thermal Environment in Transitional Space: Field Measurement Studies and Computational Fluid Dynamics Simulations," Sustainability, MDPI, vol. 11(20), pages 1-21, October.
    8. Yang, An-Shik & Juan, Yu-Hsuan & Wen, Chih-Yung & Chang, Chao-Jui, 2017. "Numerical simulation of cooling effect of vegetation enhancement in a subtropical urban park," Applied Energy, Elsevier, vol. 192(C), pages 178-200.
    9. Nebbali, R. & Roy, J.C. & Boulard, T., 2012. "Dynamic simulation of the distributed radiative and convective climate within a cropped greenhouse," Renewable Energy, Elsevier, vol. 43(C), pages 111-129.
    10. Se-Jun Park & In-Bok Lee & Sang-Yeon Lee & Jun-Gyu Kim & Young-Bae Choi & Cristina Decano-Valentin & Jeong-Hwa Cho & Hyo-Hyeog Jeong & Uk-Hyeon Yeo, 2022. "Numerical Analysis of Ventilation Efficiency of a Korean Venlo-Type Greenhouse with Continuous Roof Vents," Agriculture, MDPI, vol. 12(9), pages 1-22, August.

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