MOF-801/Graphene Adsorbent Material for Greenhouse Climate Control System—Numerical Investigation

Andrew N. Aziz (), Raya Al-Dadah, Saad Mahmoud, Mohamed A. Ismail, Mohammed K. Almesfer, Marwa F. El-Kady and Hassan Shokry
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Andrew N. Aziz: Department of Mechanical Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
Raya Al-Dadah: Department of Mechanical Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
Saad Mahmoud: Department of Mechanical Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
Mohamed A. Ismail: Department of Chemical Engineering, College of Engineering, King Khalid University, Abha 61411, Saudi Arabia
Mohammed K. Almesfer: Department of Chemical Engineering, College of Engineering, King Khalid University, Abha 61411, Saudi Arabia
Marwa F. El-Kady: Chemical and Petrochemical Engineering Department, Egypt-Japan University of Science and Technology (E-JUST), New Borg El-Arab City 21934, Egypt
Hassan Shokry: Environmental Engineering Department, Egypt-Japan University of Science and Technology (E-JUST), New Borg El-Arab City 21934, Egypt

Energies, 2023, vol. 16, issue 9, 1-25

Abstract: Greenhouses with efficient controlled environment offer a promising solution for food security against the impacts of increasing global temperatures and growing water scarcity. However, current technologies used to achieve this controlled environment consume a significant amount of energy, which impacts on operational costs and CO 2 emissions. Using advanced metal organic framework materials (MOFs) with superior water adsorption characteristics, this work investigates the development of a new technology for a greenhouse-controlled environment. The system consists of MOF coated heat exchanger, air to air heat exchanger, and evaporative cooler. A three-dimensional computational fluid dynamics (CFD) model was developed using COMSOL software and experimentally validated for the MOF-801/Graphene coated heat exchanger (DCHE) to determine the best cycle time and power input. It was found that using desorption time of 16 min and power input of 1.26 W, the maximum water removal rate was obtained from MOF-801/Graphene of 274.4 g/kg MOF /W.hr. In addition, an overall mathematical model for the greenhouse climate control was developed and used to investigate the effects of air humidity and velocity on the input air conditions to the greenhouse. Results showed that with high relative humidity levels of 90% in the greenhouse can be conditioned to reach the required relative humidity of 50%.

Keywords: modelling; simulation; MATLAB; COMSOL; MOF-801/Graphene; adsorption (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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