Research Article
Numerical Modeling and Investigation on Aerodynamic Noise Characteristics of Pantographs in High-Speed Trains
Figure 15
Aerodynamic noise radiation of pantographs in high-speed trains.
(a) The first main frequency = 293 Hz |
(b) The second main frequency = 586 Hz |
(c) The third main frequency = 880 Hz |
(d) The fourth main frequency = 1173 Hz |