353_Lecture5_012910 - TransportPhenomenain LivingSystems...

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Transport Phenomena in  Living Systems  BME 353 Spring 2010 Lecture 5 January 29, 2010
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Constitutive relationships  Incompressible media random molecular motion y T q k y = - x v y τ = -μ yx Fourier’s Law Newton’s Law A A,y AB j D y ∂ρ = - Fick’s Law A A,y AB c J D y = -
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The analogous quantity to j Ay  in heat  transfer is: 0 31 of 35 ˆ U 1. k 2. q x 1. τ yx 1.     
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Convective Transport
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What about 1-D Steady-State Convective Transport of Total Mass and of  Species A? x 1 m 1 A L L convective mass flux v A t A t t ρ ∆ = = = ρ = ρ x convective mass flux of species A v A = ρ Mass m=ρA Δ L or m A A AΔL enters tube in time t by convection. L x A v x
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Heat and Momentum Momentum mv x & Internal energy U enter tube in time t by convection. x
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This note was uploaded on 02/22/2010 for the course BME 353 taught by Professor Bayer during the Spring '10 term at University of Texas at Austin.

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353_Lecture5_012910 - TransportPhenomenain LivingSystems...

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