STEADY HEAT CONDUCTION

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where R conv (K/W) (3–8) is the thermal resistanceof the surface against heat convection, or simply the convection resistanceof the surface (Fig. 3–4).Note that when the convec-tion heat transfer coefficient is very large (h → ), the convection resistancebecomes zero and T s T.That is, the surface offers no resistance to convec- tion, and thus it does not slow down the heat …

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