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Old 12-27-2015, 06:33 PM   #53 (permalink)
freebeard
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So any discontinuity in the approach or the edge will cause the uniform ring to slough sideways and feed an unwanted vortex?

The search term for 'jet pumping action' would be 'box cavity'?

Quote:
Originally Posted by rumdog
then treat the rear surface with a porous material?
I'm curious about what you refer to. Perforated base plate?
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