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Research of aerodynamic performance of high-speed train crossing canyon with CFD simulation

Author

Listed:
  • Zheng Wang
  • Xiaoling Zhang
  • Mingkang Zhang
  • Yang Sun

Abstract

Based on computational fluid dynamics, the aerodynamic performance and safety of a train running in a typical canyon terrain are simulated by numerical simulation. By comparing the variation law of surface pressure and aerodynamic characteristics of the train with speed of 250 km/h under the action of the canyon wind field at different speeds, under the action of different canyon wind speeds, the variation law of the surface pressure and aerodynamic load of the train at different positions is consistent; with the increase of wind speed, its aerodynamic. The load increases sharply, and the tunnel environment at both ends of the canyon will have a corresponding impact on the train operation; when the speed of crosswind increases to 25 m/s. It's dangerous for the train running cross the canyon with speed of 250 km/h.

Suggested Citation

  • Zheng Wang & Xiaoling Zhang & Mingkang Zhang & Yang Sun, 2024. "Research of aerodynamic performance of high-speed train crossing canyon with CFD simulation," International Journal of Global Energy Issues, Inderscience Enterprises Ltd, vol. 46(3/4), pages 310-326.
    • Handle: RePEc:ids:ijgeni:v:46:y:2024:i:3/4:p:310-326
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