Paint should be easily chemically strippable.
Also, (unpainted) aluminium radiators are very rampant
on automobiles nowadays.




-----Original Message-----
From: pic microcontroller discussion list
[mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Alan B. Pearce
Sent: Wednesday, June 19, 2002 2:38 AM
To: PICLIST@MITVMA.MIT.EDU
Subject: Re: [OT]: Car Radiator for Air Conditioning


>does anyone know about the active surface of such a
>car radiator and the thickness of the lamella (between
>air and water)? or does anyone have any data of such a
>radiator, that help me calculate how much power i can
>'destroy', depending on the airstream and temperature
>difference?

All such radiators I have come across use a copper core which is painted on
the outer surface. I do not know the copper wall thickness, but it is
probably somewhere around 1 to 1.5mm, remember it needs to take a reasonable
amount of pressure, what is a radiator cap, something like 15 PSI before it
releases pressure?

I suspect the highest thermal resistance will be the paint layer.

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