Application of the ANOVA method in the optimization of a thermoelectric cooler-based dehumidification system

Eltaweel, Mahmoud and Heggy, Aya H. and Yaseen, Zaher Mundher and Alawi, Omer A. and Falah, Mayadah W. and Hussein, Omar A. and Ahmed, Waqar and Homod, Raad Z. and Abdelrazek, Ali Hassan (2022) Application of the ANOVA method in the optimization of a thermoelectric cooler-based dehumidification system. Energy Reports, 8. pp. 10533-10545. ISSN 2352-4847, DOI

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In recent studies, Thermo-Electric Coolers (TEC) have been utilized for dehumidification purposes, which is mainly based on the extraction of moisture from humid atmospheric air. The reviewed literature showed that the rate of water collection from the TEC-based system can be affected by various parameters such as the module's input voltage, the heat sink orientation, and tilt angles. In this research, the analysis of variance (ANOVA) was used to examine the significance of these factors and their interaction within the system on the TEC-based dehumidification system. Four levels were investigated for both, the Peltier's input voltage and the rotation angle, and three levels for the tilt angle. This study indicated the significance of the studied factors and their interactions within the dehumidification system along with performing an overall numerical optimization. The experiments were conducted under the same working conditions in an enclosed environment to minimize errors. According to the overall numerical optimization, which was validated experimentally, the optimum system performance was predicted to be obtained at approximately 6.8V Peltier input volt, 65 degrees rotation angle, and 90 degrees tilt angles, with predicted optimum productivities of 0.32278 L/kWh and 13.03 mL/hr. For the same set of parameters, the variation between the experiment and the numerical optimization was less than 4%. The experiments show that when optimizing water collection rates for thermoelectric cooling heat sinks under high humidity conditions, the orientation of the heat sink should be considered. (C) 2022 The Author(s). Published by Elsevier Ltd.

Item Type: Article
Uncontrolled Keywords: Dehumidification; Thermoelectric cooler; Analysis of variance; Orientation; Water collection; Optimization
Subjects: T Technology > TJ Mechanical engineering and machinery
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 25 Aug 2023 02:30
Last Modified: 25 Aug 2023 02:30

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