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A one-dimensional slab of thickness 2L is initially at a uniform temperature Ti. Suddenly, electric current is passed through the slab causing uniform volumetric heating At the same time, both outer surfaces (x = ±L) are subjected to a convection process at T∞ with a heat transfer coefficient h.
Write the finite-difference equation expressing conservation of energy for node 0 located on the outer surface at x -L. Rearrange your equation and identify any important dimensionless coefficients.
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