In a message dated 8/7/2007 9:20:51 A.M. Eastern Daylight Time,
cardmarc@charter.net writes:
It was
my impression that the "turbulence" was necessary to cool the water flowing
thru the tubes (this is IN the radiator, not in the ductwork!). If the air
slid on past very little cooling happens. Am I all wet here?
Marc
Wiese
I got that from reading some where. The cross dents in the tubes help scrub
off the chilled boundary layer
that tends to stick to the tubes.
Lynn E. Hanover