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Simulation and optimization of humidification-dehumidification evaporation system

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  • Li, Yang
  • Huang, Xin
  • Peng, Hao
  • Ling, Xiang
  • Tu, ShanDong

Abstract

In this paper, a theoretical and experimental investigation on HDH evaporation system performance was performed. A fixed size HDH system was constructed, and for the purpose to obtain the optimal operating parameters, a mathematical model was proposed to investigate the effect of the operating parameters on the evaporation rate and specific steam consumption (SSC). The evaporation rate is proportional to three operating parameters. SSC decrease with the increase of heat recovery ratio (HRR) in regenerator. Moreover, the operating parameters of the system were optimized to obtain minimum SSC using the GlobalSearch algorithm. The minimum SSC is 0.338–0.398 kg per kg of evaporated water at different evaporation capacities. And the value of minimum SSC increases with an increase in the evaporation limit. Furthermore, the experimental results were compared with the optimized results, and they are in good agreement. Considering both the evaporation rate and SSC, the recommended operating parameters are: mg = 502.53 kg/h, ml = 3556.93 kg/h, Tlie = 83.59 °C.

Suggested Citation

  • Li, Yang & Huang, Xin & Peng, Hao & Ling, Xiang & Tu, ShanDong, 2018. "Simulation and optimization of humidification-dehumidification evaporation system," Energy, Elsevier, vol. 145(C), pages 128-140.
    • Handle: RePEc:eee:energy:v:145:y:2018:i:c:p:128-140
    DOI: 10.1016/j.energy.2017.12.119
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    References listed on IDEAS

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    1. Al-Sulaiman, Fahad A. & Prakash Narayan, G. & Lienhard, John H., 2013. "Exergy analysis of a high-temperature-steam-driven, varied-pressure, humidification–dehumidification system coupled with reverse osmosis," Applied Energy, Elsevier, vol. 103(C), pages 552-561.
    2. Muthusamy, C. & Srithar, K., 2017. "Energy saving potential in humidification-dehumidification desalination system," Energy, Elsevier, vol. 118(C), pages 729-741.
    3. He, W.F. & Zhang, X.K. & Han, D. & Gao, L., 2017. "Performance analysis of a water-power combined system with air-heated humidification dehumidification process," Energy, Elsevier, vol. 130(C), pages 218-227.
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    Cited by:

    1. Huang, Xin & Chen, Hu & Ling, Xiang & Liu, Lin & Huhe, Taoli, 2022. "Investigation of heat and mass transfer and gas–liquid thermodynamic process paths in a humidifier," Energy, Elsevier, vol. 261(PA).
    2. Huang, Xin & Ke, Tingfen & Yu, Xiangqian & Liu, Weihong & Li, Yang & Ling, Xiang, 2020. "Pressure drop modeling and performance optimization of a humidification–dehumidification desalination system," Applied Energy, Elsevier, vol. 258(C).
    3. Salins, Sampath Suranjan & Reddy, S.V. Kota & Kumar, Shiva, 2022. "Modelling of a multistage reciprocating humidifier and performance analysis for various packing configurations," Energy, Elsevier, vol. 241(C).
    4. Salins, Sampath Suranjan & Kota Reddy, S.V. & Shiva Kumar,, 2021. "Experimental Investigation and Neural network based parametric prediction in a multistage reciprocating humidifier," Applied Energy, Elsevier, vol. 293(C).
    5. Kumar, Shiva & Salins, Sampath Suranjan & Reddy, S.V. Kota & Nair, Prasanth Sreekumar, 2021. "Comparative performance analysis of a static & dynamic evaporative cooling pads for varied climatic conditions," Energy, Elsevier, vol. 233(C).

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