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Open Access

ARTICLE

Energy Design and Optimization of Greenhouse by Natural Convection

H. Benzzine, H. Labrim, Aouatif Saad*, Y. Achour, D. Zejli, R. El Bouayadi
Advanced Systems Engineering Laboratory (ASELab), National School of Applied Sciences, Ibn Tofail University, Kenitra, Morocco
* Corresponding Author: Aouatif Saad. Email: saad_aouatif@yahoo.fr
(This article belongs to the Special Issue: Materials and Energy an Updated Image for 2023)

Fluid Dynamics & Materials Processing https://doi.org/10.32604/fdmp.2024.050557

Received 10 February 2024; Accepted 10 April 2024; Published online 07 May 2024

Abstract

This study addresses the pressing need for energy-efficient greenhouse management by focusing on the innovative application of natural ventilation. The primary objective of this study is to evaluate various ventilation strategies to enhance energy efficiency and optimize crop production in agricultural greenhouses. Employing advanced numerical simulation tools, the study conducts a comprehensive assessment of natural ventilation’s effectiveness under real-world conditions. The results underscore the crucial role of the stack effect and strategic window positioning in greenhouse cooling, providing valuable insights for greenhouse designers. Our findings shed light on the significant benefits of optimized ventilation and also offer practical implications for improving greenhouse design, ensuring sustainable and efficient agricultural practices. The study demonstrated energy savings in cooling from November to April, with a maximum saving of 680 kWh in March, indicating the effectiveness of strategically positioning windows to leverage the stack effect. This approach enhances plant growth and reduces the need for costly cooling systems, thereby improving overall energy efficiency and lowering operational expenses.

Keywords

Energy; greenhouse; cooling; natural ventilation; simulation; temperature

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