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Numerical Simulation and Optimization of Rapid Filling of High-Pressure Hydrogen Storage Cylinder

Author

Listed:
  • Longchang Xue

    (CRRC Academy, F9, Building 5, Nuode Centre II, E Qichebowuguan Road Fengtai, Beijing 100070, China)

  • Jiajia Deng

    (School of Naval Architecture and Maritime, Zhejiang Ocean University, Zhoushan 316022, China)

  • Xueren Wang

    (School of Naval Architecture and Maritime, Zhejiang Ocean University, Zhoushan 316022, China)

  • Zaizhou Wang

    (College of Engineering, Hebei Normal University, Shijiazhuang 050010, China)

  • Bin Liu

    (School of Mechanical Engineering, Shijiazhuang Tiedao University, Shijiazhuang 050043, China)

Abstract

The fast charging process of high-pressure gas storage cylinders is accompanied by high temperature rise, which potentially induces the failure of solid materials inside the cylinders and the underfilling of the cylinders. A two-dimensional (2D) axisymmetric model simulated the charging process of hydrogen storage cylinders with a rated working pressure of 35 MPa and a volume of 150 L. During filling, the highest temperature rise inside the cylinder occurs at the bottom part of the cylinder, and the state of charge (SOC) is 46.4% after filling. This temperature rise can be reduced by precooling the injected hydrogen, and the highest SOC can reach 95.7% after injection. The SOC in the cylinder gradually increases with a decrease in the temperature of the hydrogen injection. The maximum SOC increase is 49.3%. For safety and the SOC exceeding 90%, the hydrogen gas should be precooled to below −10 °C, and the SOC could achieve more than 90.3%. The internal structure of the hydrogen cylinder was further optimized without a precooling condition. The selected length ratios were 25%, 50%, and 75%. Compared with the initial scheme, the SOC in the optimization scheme increased by 16%, 38.7%, and 40.1%.

Suggested Citation

  • Longchang Xue & Jiajia Deng & Xueren Wang & Zaizhou Wang & Bin Liu, 2022. "Numerical Simulation and Optimization of Rapid Filling of High-Pressure Hydrogen Storage Cylinder," Energies, MDPI, vol. 15(14), pages 1-16, July.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:14:p:5189-:d:865030
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    References listed on IDEAS

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    1. Jinsheng Xiao & Shuo Ma & Xu Wang & Shanshan Deng & Tianqi Yang & Pierre Bénard, 2019. "Effect of Hydrogen Refueling Parameters on Final State of Charge," Energies, MDPI, vol. 12(4), pages 1-10, February.
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    Cited by:

    1. Jiepu Li & Junhao Liu & Baodi Zhao & Dongyu Wang & Shufen Guo & Jitian Song & Xiang Li, 2023. "Research on Temperature Rise of Type IV Composite Hydrogen Storage Cylinders in Hydrogen Fast-Filling Process," Energies, MDPI, vol. 16(6), pages 1-21, March.

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