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Three-dimensional numerical analysis of the coupled heat transfer performance of LNG ambient air vaporizer

Author

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  • Liu, Shanshan
  • Jiao, Wenling
  • Wang, Haichao

Abstract

Ambient air vaporizer (AAV) utilizes ambient air which belongs to low grade energy to regasify LNG in gas terminals. Study on the heat transfer performance of AAV is the foundation of its optimal design and operation. This paper presents a CFD-based coupled numerical model to investigate the heat transfer performance of AAV. The heat transfer coupling between the LNG boiling phase change and the natural convection of the air is taken into consideration. The mixture model combined with Lee model was used to calculate the heat and mass transfer in the process of LNG boiling. The coupled numerical model was calculated and validated by the operating data of a real-life AAV. Based on the simulation results of the coupled model, the influence of the air temperature, the inlet flow of LNG and the location in the fin tube bundle on the heat transfer performance of AAV were analyzed.

Suggested Citation

  • Liu, Shanshan & Jiao, Wenling & Wang, Haichao, 2016. "Three-dimensional numerical analysis of the coupled heat transfer performance of LNG ambient air vaporizer," Renewable Energy, Elsevier, vol. 87(P3), pages 1105-1112.
    • Handle: RePEc:eee:renene:v:87:y:2016:i:p3:p:1105-1112
    DOI: 10.1016/j.renene.2015.08.037
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    Citations

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    Cited by:

    1. Wang, Zhe & Cai, Wenjian & Han, Fenghui & Ji, Yulong & Li, Wenhua & Sundén, Bengt, 2019. "Feasibility study on a novel heat exchanger network for cryogenic liquid regasification with cooling capacity recovery: Theoretical and experimental assessments," Energy, Elsevier, vol. 181(C), pages 771-781.
    2. Zhongchao Zhao & Kai Zhao & Dandan Jia & Pengpeng Jiang & Rendong Shen, 2017. "Numerical Investigation on the Flow and Heat Transfer Characteristics of Supercritical Liquefied Natural Gas in an Airfoil Fin Printed Circuit Heat Exchanger," Energies, MDPI, vol. 10(11), pages 1-18, November.
    3. Kanbur, Baris Burak & Xiang, Liming & Dubey, Swapnil & Choo, Fook Hoong & Duan, Fei, 2017. "Cold utilization systems of LNG: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 79(C), pages 1171-1188.
    4. Ge, Minghui & Li, Zhenhua & Wang, Yeting & Zhao, Yulong & Zhu, Yu & Wang, Shixue & Liu, Liansheng, 2021. "Experimental study on thermoelectric power generation based on cryogenic liquid cold energy," Energy, Elsevier, vol. 220(C).
    5. Liu, Shanshan & Jiao, Wenling & Ren, Lemei & Tian, Xinghao, 2020. "Thermal resistance analysis of cryogenic frosting and its effect on performance of LNG ambient air vaporizer," Renewable Energy, Elsevier, vol. 149(C), pages 917-927.
    6. Liu, Shanshan & Jiao, Wenling & Wang, Chunhua, 2024. "Coupled heat transfer analysis of U-type tube module of LNG ambient air vaporizer under dry conditions," Renewable Energy, Elsevier, vol. 221(C).
    7. Jadav, Chirag & Chowdhury, Kanchan, 2021. "Minimizing weight of ambient air vaporizer by using identical and different number of fins along the length," Renewable Energy, Elsevier, vol. 163(C), pages 398-413.
    8. Dai, Rui & Tian, Ran & Zheng, Siyu & Wei, Mingshan & Shi, GuoHua, 2022. "Dynamic performance evaluation of LNG vaporization system integrated with solar-assisted heat pump," Renewable Energy, Elsevier, vol. 188(C), pages 561-572.

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