I got the Thermal Diffusivity definition upside down. -John
============= > At 05:33 PM 1/27/2011, J. Forster wrote... >>If you want the thermal mass to behave close to an isothermal body, >>diffusivity is very important. >> >>For example, a large mass of still water has high heat capacity, but >>poor >>diffusivity. Much of the heat capacity is useless. > > If the equation given ["Thermal Diffusivity" = (Specific Heat) / > (Thermal Conductivity)] is correct, then lower conductivity is desired > for greater diffusitivity. > > I'm not clear on how low conductivity helps make an isothermal mass - > intuitively, it seems the opposite is desired, so that any local > temperature variations are quickly balanced through conduction. > > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
