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Question: i need to calculate the overall heat transfer coeffcient for...

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I need to calculate the overall heat transfer coeffcient for an insulated copper wire.

copper diameter=0.001 m

insulated diameter= 0.0023 m

thermal conductivity isolation= 0.16 W/m*k

thermal conductivity copper= 401 W/m*k

surrounding temp = 20 degC

the isolation material is some generic PVC

convective heat transfer to surroundings(Air)= 16 w/m^2*k

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