[time-nuts] Mass vs BTU Function
jfor at quik.com
Thu Jan 27 16:18:44 EST 2011
If you are considering conductivity for dynamic reasons, the correct
figure of merit is "Thermal Diffusivity"
= (Specific Heat) / (Thermal Conductivity)
> Most metals have a specific heat around .34, where water is 1.0. ( so .34
> BTU to raise a pound od aluminum by 1 deg F)
> The have different densities, so on a per volume basis, you want dense.
> Tungsten for instance or osmium
> You also need to consider conductivity though. Gold is good
> On Jan 27, 2011, at 3:38 PM, Perry Sandeen <sandeenpa at yahoo.com> wrote:
>> Please help me with this physics question.
>> If one has a given cube, say 2 x 2 x 2 inches. And one has the choice
>> of aluminum, copper, or lead (just for an example). Will each store or
>> hold the same amount of BTUs or does the density make a difference?
>> IF the density makes a difference, can someone give me the approximate
>> The practical end of this question is consideration of thermal mass
>> surrounding an oscillator,
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