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Two-dimensional numerical study of a heat and mass exchanger for a dew-point evaporative cooler

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  • Liu, Yuting
  • Li, Jun Ming
  • Yang, Xu
  • Zhao, Xudong

Abstract

This paper describes a two-dimensional numerical model of heat and mass transfer in a dew-point evaporative cooler that couples the momentum and mass transfer equations with the energy equation using various heat and mass transfer models. The numerical model is validated by experiment results from other studies and is then used to study the impacts of various operating conditions including the inlet volumetric air flow rate, working-to-primary air ratio, inlet water temperature, volumetric water flow rate and the temperature and humidity of the inlet air on the cooling in an improved dew-point evaporative cooler with a corrugated surface heat and mass exchanger.

Suggested Citation

  • Liu, Yuting & Li, Jun Ming & Yang, Xu & Zhao, Xudong, 2019. "Two-dimensional numerical study of a heat and mass exchanger for a dew-point evaporative cooler," Energy, Elsevier, vol. 168(C), pages 975-988.
    • Handle: RePEc:eee:energy:v:168:y:2019:i:c:p:975-988
    DOI: 10.1016/j.energy.2018.11.135
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    References listed on IDEAS

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    1. Xudong Zhao & Zhiyin Duan & Changhong Zhan & Saffa B. Riffat, 2009. "Dynamic performance of a novel dew point air conditioning for the UK buildings," International Journal of Low-Carbon Technologies, Oxford University Press, vol. 4(1), pages 27-35, January.
    2. Zhang, L.Z., 2006. "Energy performance of independent air dehumidification systems with energy recovery measures," Energy, Elsevier, vol. 31(8), pages 1228-1242.
    3. Duan, Zhiyin & Zhan, Changhong & Zhang, Xingxing & Mustafa, Mahmud & Zhao, Xudong & Alimohammadisagvand, Behrang & Hasan, Ala, 2012. "Indirect evaporative cooling: Past, present and future potentials," Renewable and Sustainable Energy Reviews, Elsevier, vol. 16(9), pages 6823-6850.
    4. Zhan, Changhong & Duan, Zhiyin & Zhao, Xudong & Smith, Stefan & Jin, Hong & Riffat, Saffa, 2011. "Comparative study of the performance of the M-cycle counter-flow and cross-flow heat exchangers for indirect evaporative cooling – Paving the path toward sustainable cooling of buildings," Energy, Elsevier, vol. 36(12), pages 6790-6805.
    5. Hsu, Shyr Tzer & Lavan, Zalman & Worek, William M., 1989. "Optimization of wet-surface heat exchangers," Energy, Elsevier, vol. 14(11), pages 757-770.
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    Cited by:

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    6. Cui, Xin & Yang, Chuanjun & Yan, Weichao & Zhang, Lianying & Wan, Yangda & Chua, Kian Jon, 2023. "Experimental study on a moisture-conducting fiber-assisted tubular indirect evaporative cooler," Energy, Elsevier, vol. 278(PB).
    7. Golizadeh Akhlaghi, Yousef & Aslansefat, Koorosh & Zhao, Xudong & Sadati, Saba & Badiei, Ali & Xiao, Xin & Shittu, Samson & Fan, Yi & Ma, Xiaoli, 2021. "Hourly performance forecast of a dew point cooler using explainable Artificial Intelligence and evolutionary optimisations by 2050," Applied Energy, Elsevier, vol. 281(C).
    8. Shahzad, Muhammad Wakil & Lin, Jie & Xu, Ben Bin & Dala, Laurent & Chen, Qian & Burhan, Muhammad & Sultan, Muhammad & Worek, William & Ng, Kim Choon, 2021. "A spatiotemporal indirect evaporative cooler enabled by transiently interceding water mist," Energy, Elsevier, vol. 217(C).

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