Feb 23, 2023 · In this paper, the Improved Detached Eddy Simulation (IDDES) is used to analyze the turbulent characteristics of the near wake region of EMU in ...

This study can provide guidance for the aerodynamic shape optimization design of the rear of the vacuum EMU train in the future and provide ...

Huang et al. [18] numerically simulated the influence law of the vacuum degree, cross-sectional area, and ambient temperature over the aerodynamic resistance on ...

DES has been used to investigate the wake characteristics of a high-speed train at five Reynolds numbers. · With the increase of Re, small-scale vortices emerge, ...

Feb 20, 2022 · The current study conducted a numerical simulation through two different turbulent models (k-ɛ & RS) of a curved open channel flow of ...

Through the improved delay-detached eddy simulation (IDDES), this paper establishes a 1:1 model for a high-speed train, and simulates the transient state of ...

Duration: 23:08
Posted: Feb 5, 2023

Abstract: The study of flow around obstacles is devised into three different positions: above the obstacle, upstream of the obstacle,.

ing the linearised (RDT) analysis of a turbulent velocity field u(x,t) in a uniform shear flow U = (UO + Sy, 0,O) (see figure 2). The condition for ignoring ...