Adaptability of Turbulence Models for Pantograph Aerodynamic Noise Simulation

Figure 20

Far-field directionality of radiated noise from pantograph (350 km/h): (a) directionality 1-xz plane; (b) directionality 2-yz plane; (c) directionality 3-xy plane. The arrow in the picture denotes the direction of airflow.

(a)

(b)

(c)