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Old 06-09-2020, 06:53 PM   #7 (permalink)
freebeard
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Quote:
As the car moves forward, that airflow then develops a corkscrew pattern, leading to the development of a trailing vortex.
Tell me about it, I drive a VW Beetle.

The action of a vortex is around a central axis longitudinal to the flow. Perhaps they only can act in pairs?
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