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Thermal physical performance in liquid hydrogen tank under constant wall temperature

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  • Liu, Zhan
  • Li, Yanzhong

Abstract

A calculation model is developed to investigate the pressurization performance and thermal stratification in a liquid hydrogen (LH2) tank. Viscous flow is considered in the stratification model to ensure the continuity of fluid flow and heat exchange. The tank pressure rise, energy distribution and thermal stratification are studied respectively. Compared to the results without considering the phase change, the tank pressure, the stratified layer temperature and the ullage temperature calculated with phase change considered, have increased about 69.98%, 70.90% and 15.53%. Moreover, influences of the gravity level, initial wall temperature and initial liquid height on the development of thermal stratification are analyzed. It turns out that the larger the gravity level is, the faster the liquid thermal stratification develops. The effect of the initial wall temperature on the growth of thermal stratification is the same. Both the ullage pressure and the stratified temperature increase with time. While the gravity level is larger than a certain value and the initial wall temperature is less than a certain value, the ullage pressure and the stratified temperature decrease firstly, and then increase. Meanwhile, it costs much more time for fluid thermal stratification development fully for a larger initial liquid height.

Suggested Citation

  • Liu, Zhan & Li, Yanzhong, 2019. "Thermal physical performance in liquid hydrogen tank under constant wall temperature," Renewable Energy, Elsevier, vol. 130(C), pages 601-612.
    • Handle: RePEc:eee:renene:v:130:y:2019:i:c:p:601-612
    DOI: 10.1016/j.renene.2018.02.023
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    Cited by:

    1. Fan, Yading & Chen, Tairan & Liang, Wendong & Wang, Guoyu & Huang, Biao, 2022. "Numerical and theoretical investigations of the cavitation performance and instability for the cryogenic inducer," Renewable Energy, Elsevier, vol. 184(C), pages 291-305.
    2. Hanyue Zhang & Hong Chen & Xu Gao & Xi Pan & Qingmiao Huang & Junlong Xie & Jianye Chen, 2022. "Numerical Study on Behaviors of the Sloshing Liquid Oxygen Tanks," Energies, MDPI, vol. 15(17), pages 1-17, September.
    3. Giuseppe Sdanghi & Gaël Maranzana & Alain Celzard & Vanessa Fierro, 2020. "Towards Non-Mechanical Hybrid Hydrogen Compression for Decentralized Hydrogen Facilities," Energies, MDPI, vol. 13(12), pages 1-27, June.
    4. Zheng, Jianpeng & Chen, Liubiao & Liu, Xuming & Zhu, Honglai & Zhou, Yuan & Wang, Junjie, 2020. "Thermodynamic optimization of composite insulation system with cold shield for liquid hydrogen zero-boil-off storage," Renewable Energy, Elsevier, vol. 147(P1), pages 824-832.

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