Golf balls, hot redheads, and Rob's fourth Metro...
#10
DEI liberal femininity
iTrader: (8)
Joined: Jun 2005
Posts: 19,338
Total Cats: 574
From: Fake Virginia
if there isn't developed, laminar flow at the back of the valve, they'd do nothing.
if flow is interrupted by, say, a shaft and forced around a corner, it's probably no longer laminar at the boundary layer.
if flow is interrupted by, say, a shaft and forced around a corner, it's probably no longer laminar at the boundary layer.