An industrial process involves evaporation of a thinwater
Chapter 6, Problem 6.81(choose chapter or problem)
An industrial process involves evaporation of a thinwater film from a contoured surface by heating it frombelow and forcing air across it. Laboratory measure-ments for this surface have provided the following heattransfer correlation:The air flowing over the surface has a temperature of290 K, a velocity of 10 m/s, and is completely dry(???0). The surface has a length of 1 m and a surfacearea of 1 m2. Just enough energy is supplied to maintainits steady-state temperature at 310 K.(a) Determine the heat transfer coefficient and the rateat which the surface loses heat by convection.(b) Determine the mass transfer coefficient and theevaporation rate (kg/h) of the water on the surface.(c) Determine the rate at which heat must be suppliedto the surface for these conditions
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