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has been cited by the following article:

• TITLE: Numerical Analysis of Different Nose Shapes on the Train Aerodynamic Performance at a Windbreak Transition under Crosswinds

  AUTHORS: Zhengwei Chen, Tanghong Liu, Wenhui Li

  KEYWORDS: Aerodynamics, High-Speed Train, Windbreak Transition, CFD

  JOURNAL NAME: Journal of Applied Mathematics and Physics, Vol.8 No.11, November 26, 2020

  ABSTRACT: Based on the Unsteady Reynolds-Averaged Navier-Stokes (URANS) method, this paper studied the effect of the nose shape on the aerodynamic performance when the high-speed train subjected to a windbreak transition under crosswinds. The windbreak transition generated by the irregular terrain from the flat ground to the cutting. The results showed that with the height of the front window increased from Z ? 2 to Z + 2 (the dimensionless height), the side force coefficient Cyand rolling moment co-efficient Cmxincreased by 26% and 27% for the head car, respectively. The flow structures around the lower front window were smoother than that around the higher front window. The flow structures in the higher front window resulted in more considerable positive pressure on the windward side (WWS) and top of the nose region.