Thanks Gary! That was a most useful bit of information and one which
I will try to stash away.
Chris
At 20:47 -0500 17/09/02, Gary Edwards wrote:
Jerry,
The transition from a laminar to a turbulent boundary layer occurs with no
change in density (that is, it is an incompressible phenomena), thus there
is essentially no change in refractive index to make it visible. Shocks,
snip
g edge extension) that combine to produce a
limited region of transonic flow over the wing upper surface at cruise Mach
numbers (even though that is normally undesirable). And this shock occurs
not where the flow goes supersonic, but where it slows from supersonic to
subsonic (the flow "shocks" down [in velocity]).
Gary Edwards
--
<|_:-)_|>
C M I Barker
Cambridgeshire, Great Britain.
?
+44 (0)7092 251126
mailto:imagopus@xxxxxxxxxxxxxxxx
http://www.threeshoes.co.uk
... a nascent photo library.
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