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Re: [Phys-L] physics and potatoes


On 2015, Jan 13, , at 06:11, Bill Norwood <bnorwood111@gmail.com> wrote:

I suspect the convection doesn't matter much, since the foil is a conductor
of huge effective diameter and of 2 or 3/1000" length. The convection
effect would be virtually the same without the foil especially if tightly
wrapped.


I suspect a smooth surface has less contact area w/ the air so if the foil is smoother than the potato it would “convect” less.

Also, it loosely wrapped, the air space will act as insulation.

bc thinks best if the potato is not tightly wrapped for “conserving” the "heat”.