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if i have a cylindrical rod of copper and i heat is at one end face while the other surface areas are open to the atmosphere then besides the conductivity of copper i will also need the convective heat transfer coefficient to analyse the setup.

my question is : how do can we estimate this convective heat transfer coefficient (W/m2K) ; will it depend on the solid material ie. copper, aluminium, ploymer, etc or will it only depend on the fluid is. atmospheric air, water etc ?

i want to approximate value of the coefficient in case its a free convection scenario...

any and all help is appreciated.

thanks..

dipan

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# Convection heat transfer coefficients ?

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