If you are considering conductivity for dynamic reasons, the correct figure of merit is "Thermal Diffusivity"
= (Specific Heat) / (Thermal Conductivity) -John ============= > 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 <[email protected]> wrote: > >> List, >> >> 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 >> difference? >> >> The practical end of this question is consideration of thermal mass >> surrounding an oscillator, >> >> TIA >> >> Perrier >> >> >> >> >> >> >> _______________________________________________ >> time-nuts mailing list -- [email protected] >> To unsubscribe, go to >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
