Question: A certain internal-combustion engine is air-cooled and has a cylinder constructed of cast iron [k = 35 Btu/h ft F]. The fins on

A certain internal-combustion engine is air-cooled and has a cylinder constructed of cast iron [k = 35 Btu/h ∙ ft ∙ ºF]. The fins on the cylinder have a length of 5/8 in and thickness of 1/8 in. The convection coefficient is 12 Btu/h ∙ ft2 ∙ ºF. The cylinder diameter is 4 in. Calculate the heat loss per fin for a base temperature of 450ºF and environment temperature of 100ºF.

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