Volume 40 Issue 6
Jun.  2025
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SUN Hongpu, DAI Wuye, WU Ningning, et al. Transition prediction of high enthaply boundary layer[J]. Journal of Aerospace Power, 2025, 40(6):20230696 doi: 10.13224/j.cnki.jasp.20230696
Citation: SUN Hongpu, DAI Wuye, WU Ningning, et al. Transition prediction of high enthaply boundary layer[J]. Journal of Aerospace Power, 2025, 40(6):20230696 doi: 10.13224/j.cnki.jasp.20230696

Transition prediction of high enthaply boundary layer

doi: 10.13224/j.cnki.jasp.20230696
  • Received Date: 2023-11-06
    Available Online: 2024-06-29
  • Considering the influence of high temperature real gas effect on boundary layer transition, the γ-Reθ transition model modified by high Mach number was used for research. The boundary layer transition of typical cases was calculated and the results were compared with DNS (direct numerical simulation) and tests. The results showed that: for high speed and high enthalpy boundary transition, the original γ-Reθ transition model predicted the transition location prematurely, while the transition location predicted by the transition model with high Mach number correction was more consistent with the experimental results. The high temperature real gas effect reduced the temperature and the thickness of the boundary layer, and promoted the boundary layer transition.

     

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