Answer / naveed t p

i think it prevents votex formation, increase recovery
factor of pressure after vena contracta since there
pressure is minimum & velocity maximum. This helps the flow
to be recovered better than if it was sharp edge.

Answer / anup ramteke

no 2 answer is correct but rather than recovery of pressure
it provides smooth recovery of fluid flow thus preventing
the turbulence in the flow and making it laminar.

Answer / instru

The orifice is beveled on the downstream edge, in accordance
to AGA report #3. The purpose of the bevel is to reduce the
width of the throat to the "e" dimension.

Answer / jose

to cause a vortex

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