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HEAT TRANSFER WITH PHASE CHANGE g T h A 3 2 gpL Gr ρ∆ = µ 33 2 3 22 2 g TL 1 g L Gr g T  β ∆∆ ρ ρ ρ ρ == =  νµ µ  Phase Changes Boiling Condensation Vapor Liquid Melting Freezing Deposition (Condensation) Sublimation Liquid Vapor Solid Liquid Liquid Solid Solid Vapor Vapor Solid Vaporization Line Fusion line Sublimation line Moving-boundary problems ablation-type thermal protection, e.g., nose of space shuttle most important commonly encountered (examples) striking fluid mechanics effects extremely large heat-transfer coefficients latent heat of vaporization, h lg , is important Jakob number Ja = Cp is important 1
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2 (continued) Phase Changes Condensation Boiling
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This note was uploaded on 10/13/2010 for the course MECH 414 taught by Professor Ghia during the Winter '06 term at University of Cincinnati.

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