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3D Numerical Simulation of Single-Phase Flow in Micro-Channels of the Small Square Cylinders in the Electrolysis Oxygen Generation

In: Computational Mechanics

Author

Listed:
  • Linlin Li

    (School of Municipal and Environmental Engineering, Harbin Institute of Technology)

  • Jili Zhang

    (School of Municipal and Environmental Engineering, Harbin Institute of Technology)

Abstract

It is important to have a safe and stable electrolysis oxygen generation for long-term flight of the manned spacecraft. The electrolysis oxygen generation with micro-channels of small square cylinders is studied by CFD software FLUENT. Firstly, the low Renault k-å model was used to represent the characteristics of the flow field in the micro-channels, and the physical model was set up by GAMBIT. Secondly, the flow field at variable flow was obtained by 3D numerical simulation. The characteristics of the single-phase flow field in the micro-channels were analyzed. The velocity field of the electrolysis oxygen generation with micro-channels of small square cylinders was also analyzed. And the key factors of the micro-channels impacting on the uniform distribution of the water flow in the micro-channels were also analyzed. Lastly, the simulated results of the flow field by CFD were calibrated by comparing with that of the PIV experiments, which shows that the low Renault k-å model was suitable to describe the characteristics of the micro-channels in the generation.

Suggested Citation

  • Linlin Li & Jili Zhang, 2007. "3D Numerical Simulation of Single-Phase Flow in Micro-Channels of the Small Square Cylinders in the Electrolysis Oxygen Generation," Springer Books, in: Computational Mechanics, pages 250-250, Springer.
    • Handle: RePEc:spr:sprchp:978-3-540-75999-7_50
    DOI: 10.1007/978-3-540-75999-7_50
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