H2 - Q 6.62 1 System Diagram 2 AssumpTons Steady state...

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Q# 6.62 1. System Diagram 2. Assumptions Steady state condition Constant properties Heat-mass analogy applies: Heat Transfer Mass Transfer Pr , Re 1 L f Nu Sc f Sh L , Re 2 Correlation requires properties evaluated at K T T T s mean 300 2 3. Governing Equations Reynolds Number: L V L Re Air T U Thin water film Surface Ts L As Heat transfer correlation: 4 . 0 58 . 0 Pr Re 43 . 0 L L Nu
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Prandtl Number: Pr Schmidt Number: AB D Sc Average Nusselt Number: f k L h Nu Average Sherwood Number: AB m D L h Sh Newton's Law of Cooling: T T A h q s s conv Convection Mass Transfer Equation: , , A s A s m A h m First Law of Thermodynamics (for steady flow process): 0 out in E E 4. Detailed Solution Properties: Air (at T mean = 300 K, 1 atm ) = 15.89 10 -6 m 2 /s k f = 0.0263 W/m K Pr = 0.707 Air-water mixture ( at T mean
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