|June 19, 2015, 04:37||
Join Date: Mar 2009
Posts: 251Rep Power: 11
In the theory of fluid dynamics there is no phenomenon that has been identified as reverse flow.
It is mainly an industrial and economical term (Google for "reverse flow" and you will find many applications where the flow reverses direction, reverse flow heat exchanger, reverse flow combustors, reverse flow check valves, .....etc
If you check this same CFD forum, you will find posts about outlet boundary condition where some velocity vectors are not leaving the domain of flow but entering, the reasons are explained in these posts.
But in the theory of fluid dynamics we have secondary flows and vortices,so check this movie (http://web.mit.edu/hml/ncfmf.html ) scroll down the list till you find it, and read the film notes, enjoy your time.
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