Saturday, 16 December 2017

thermodynamics - Are specific heat and thermal conductivity related?



Are there any logical relationship between specific heat capacity and thermal conductivity ?


I was wondering about this when I was reading an article on whether to choose cast iron or aluminium vessels for kitchen.


Aluminium has more thermal conductivity and specific heat than iron ( source ).


This must mean more energy is required to raise an unit of aluminium than iron yet aluminium conducts heat better than cast iron.


Does it mean that aluminium also retains heat better ?


How does mass of the vessel affect the heat retention?




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