Boundary layer dragged on the surface of spinning tyres from the back collides with the oncoming air that comes from the front. This high pressure zone is the source of the two vortices forming on top of the tyre.
Boundary layer dragged on the surface of spinning tyres from the back collides with the oncoming air that comes from the front. This high pressure zone is the source of the two vortices forming on top of the tyre.
+1 I expect the vortex shedding and a hot spot on the broad leading front face, but not these tortured little hot spots so high up. Interesting.Vanja #66 wrote: ↑26 Mar 2023, 17:08Boundary layer dragged on the surface of spinning tyres from the back collides with the oncoming air that comes from the front. This high pressure zone is the source of the two vortices forming on top of the tyre.
https://www.researchgate.net/publicatio ... heel-4.png