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Numerical simulation of counter-flow spray saturator for humid air turbine cycle

Author

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  • Wang, Yuzhang
  • Li, Yixing
  • Weng, Shilie
  • Wang, Yonghong

Abstract

The numerical simulations of simultaneous heat and mass transfer process in the counter-flow spray saturator and humid air turbine cycle are carried out in this work, according to the experimental conditions and actual size of a prototype saturator. This humidifying process involves two-phase flow of air and water droplets, also including interaction, breakup and collision of water droplets. Eulerian approach is used for gas phase flow, Lagrangian approach is used for liquid phase flow, and the two-way coupling is used between two phases. The simulations agree well with the experimental measurements. The simulations show the flow is with high turbulence intensity, the relative humidity and temperature of humid air increase along with the height of saturator, some water droplets carried by air escape from the saturator, and the humid air is mainly humidified at the lower part of saturator and is simultaneously humidified and heated at the upper part.

Suggested Citation

  • Wang, Yuzhang & Li, Yixing & Weng, Shilie & Wang, Yonghong, 2007. "Numerical simulation of counter-flow spray saturator for humid air turbine cycle," Energy, Elsevier, vol. 32(5), pages 852-860.
    • Handle: RePEc:eee:energy:v:32:y:2007:i:5:p:852-860
    DOI: 10.1016/j.energy.2006.05.008
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    References listed on IDEAS

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    1. Kim, T.S & Song, C.H & Ro, S.T & Kauh, S.K, 2000. "Influence of ambient condition on thermodynamic performance of the humid air turbine cycle," Energy, Elsevier, vol. 25(4), pages 313-324.
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    Cited by:

    1. Zhao, Hongbin & Yue, Pengxiu, 2011. "Performance analysis of humid air turbine cycle with solar energy for methanol decomposition," Energy, Elsevier, vol. 36(5), pages 2372-2380.
    2. Wang, Yuzhang & Zhang, Qing & Li, Yixing & He, Ming & Weng, Shilie, 2022. "Research on the effectiveness of the key components in the HAT cycle," Applied Energy, Elsevier, vol. 306(PB).
    3. Maria Elena Diego & Muhammad Akram & Jean‐Michel Bellas & Karen N. Finney & Mohamed Pourkashanian, 2017. "Making gas‐CCS a commercial reality: The challenges of scaling up," Greenhouse Gases: Science and Technology, Blackwell Publishing, vol. 7(5), pages 778-801, October.
    4. Wang, Zidong & Chen, Hanping & Weng, Shilie, 2013. "New calculation method for thermodynamic properties of humid air in humid air turbine cycle – The general model and solutions for saturated humid air," Energy, Elsevier, vol. 58(C), pages 606-616.
    5. Hu, Pengfei & Meng, Qingqiang & Fan, Tiantian & Cao, Lihua & Li, Qi, 2023. "Dynamic response of turbine blade considering a droplet-wall interaction in wet steam region," Energy, Elsevier, vol. 265(C).
    6. Wang, Zidong & Chen, Hanping & Weng, Shilie, 2013. "Revised Dalton's method for calculation of thermodynamic properties of unsaturated humid air and gas mixture after combustion in humid air turbine cycle," Energy, Elsevier, vol. 58(C), pages 594-605.

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    2. Wang, Zidong & Chen, Hanping & Weng, Shilie, 2013. "Revised Dalton's method for calculation of thermodynamic properties of unsaturated humid air and gas mixture after combustion in humid air turbine cycle," Energy, Elsevier, vol. 58(C), pages 594-605.
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