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Comparative Study of the Cross-Flow Heat and Mass Exchangers for Indirect Evaporative Cooling Using Numerical Methods

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  • Yugang Wang

    (College of Mechanical and Energy Engineering, Jimei University, Xiamen 361021, China)

  • Xiang Huang

    (School of Environment and Chemical Engineering, Xi’an Polytechnic University, Xi’an 710048, China)

  • Li Li

    (College of Mechanical and Energy Engineering, Jimei University, Xiamen 361021, China)

Abstract

This paper presents a comparative study of the cross-flow regenerative heat and mass exchanger (HMX) and the conventional cross-flow HMX for indirect evaporative cooling (IEC) with numerical methods. The objective of this study is mainly to clarify the applicability of the two HMXs. The numerical model was built and validated by existing experimental data. The difference in heat and mass transfer between the two HMXs was revealed by analyzing the change of the temperature and moisture content of the air, and the influence of the main operating parameters on the cooling performance of the HMXs was analyzed. In the typical operating conditions, when the HMXs are used alone, the cooling performance of the regenerative HMX is better than that of the conventional HMX under low supply air flow rate. When the HMXs are used in the multistage evaporative cooling systems with high supply air flow rate, the conventional HMX is more suitable as the first stage of the system to pre-cool the supply air, while the regenerative HMX is more suitable as the second stage to re-cool the supply air.

Suggested Citation

  • Yugang Wang & Xiang Huang & Li Li, 2018. "Comparative Study of the Cross-Flow Heat and Mass Exchangers for Indirect Evaporative Cooling Using Numerical Methods," Energies, MDPI, vol. 11(12), pages 1-14, December.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:12:p:3374-:d:187204
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    References listed on IDEAS

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    Cited by:

    1. Krzysztof Rajski & Jan Danielewicz & Ewa Brychcy, 2020. "Performance Evaluation of a Gravity-Assisted Heat Pipe-Based Indirect Evaporative Cooler," Energies, MDPI, vol. 13(1), pages 1-20, January.
    2. Xin Cui & Le Sun & Sicong Zhang & Liwen Jin, 2019. "On the Study of a Hybrid Indirect Evaporative Pre-Cooling System for Various Climates," Energies, MDPI, vol. 12(23), pages 1-16, November.
    3. Lanbo Lai & Xiaolin Wang & Gholamreza Kefayati & Eric Hu, 2021. "Evaporative Cooling Integrated with Solid Desiccant Systems: A Review," Energies, MDPI, vol. 14(18), pages 1-23, September.
    4. Natesan Kapilan & Vijay Kumar Patil, 2023. "Development and evaluation of a low-cost evaporative cooling system for agricultural product storage," Research in Agricultural Engineering, Czech Academy of Agricultural Sciences, vol. 69(1), pages 48-53.

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