Research Article
Numerical Modeling and Investigation on Aerodynamic Noise Characteristics of Pantographs in High-Speed Trains
Figure 9
Distribution contours of velocity isosurface based on Q-criterion for pantographs.
| (a) Velocity isosurface = 500/s2 |
| (b) Velocity isosurface = 1000/s2 |
| (c) Velocity isosurface = 2000/s2 |
| (d) Velocity isosurface = 5000/s2 |
| (e) Velocity isosurface = 10000/s2 |
| (f) Velocity isosurface = 20000/s2 |