[quote=Les]Think it boils down to the "Ish"
Earlier in this thread(page 4)
one of my fumbles with "ish"'
Now think "h"s are too high(over estimate of C/W(TIM)) but .....
[quote]
Unsure of the exact numbers but your curves look like what I'm getting Les. Will check specifics later.
Here are some Nusselt curves,
more proportional to "h" than Re.# is.