05-19-2008, 12:12 AM
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Veteran Member
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Re: Temp difference w/Aluminum Rads
Copper versus Aluminum is the eternal rivalry !
Generally, copper conducts better and faster ( electricity as well as heat ) because it weighs more, thus is a better heat sink.
However, aluminum dissipates faster ( its thermal conductivity is higher )
Which one is best for a radiator with a liquid medium ?
Tough question indeed !
Let's remember that the thermostat will dictate at what temp. the radiator will start doing its job. Also, how many layers of coils does it have ? and what is the size and concentration of the fins ?
At the end of the day, the copper radiator will weigh more, cost more and will be able to store more heat, but the aluminum one will dissipate that heat faster.
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