Monty Roberts wrote:

Anybody had any luck finding pressure drop/aiflow, and heat exchanger

effectiveness data from any radiator manufacturers (Griffin, etc)? How about
flow rates for the water and oil? I'll put together a spread sheet so
whoever needs it can punch in numbers and get sizes of inlets and exits etc
if I could just get my hands on this info.

Monty Roberts
RMI
1795 Berry St.
Fayetteville, AR 72701
tmrbrts@swbell.net

I have not tried it in awhile. No luck then. I think we all should ask

email them

for data. That way they will think there is a demand out there for this
kind of data.

What we need is mass air flow verses air pressure drop across the core and
heat transfer in BTU/min or watts verses mass air flow and gallons
of coolant per minute. Also what the coolant pressure drop across the
core as a function of gallons per minute coolant flow. This will be
about three graphs. I am glad you are taking up arms in the crusade
for the holy cooling grail Monty. There is still a lot we don't know.

Paul Lamar

The thing that really drives me nutts is that these calculations are all
really easy if you just have the data on the heat exchangers! Everybody is
just stumbling around in the dark guessing. Just give me a couple days in a
good heat transfer lab and this is all cake. You can guess at this with
Nusselt numbers, flow rates etc, BUT; it doesn't have to be that hard. This
was all figured out during WWII. I have a NACA report that spells it all
out. It even has a work sheet for cryin' out loud. All you need is good heat
exchanger, and rejected heat data. We have the rejected heat data. I'm sure
that the radiator manufacturers have this data somewhere, we just have to
find the right person to talk to.

Monty

Right on Monty. I have searched high and low for data on stock rads.
No luck until we got this Stewart Warner oil cooler stuff.

Paul Lamar
 
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