This example isn't a truck, but the side plates on the diffuser bell outward the width of the rear tire, separating the wheelwell turbulence and forcing it outward instead of mixing with the underbody flow. The bell shape accelerates the underbody flow irrespective of how smoothened it might be.
__________________
.
.Without freedom of speech we wouldn't know who all the idiots are. -- anonymous poster
________________
.
.Because much of what is in the published literature is nonsense,
and much of what isn’t nonsense is not in the scientific literature.
-- Sabine Hossenfelder
|