Momentum Balance2

Momentum Balance2 - Momentum Balance − AdP − ρAgdz −...

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Unformatted text preview: Momentum Balance − AdP − ρAgdz − τ W WP dx − dw − mdv = 0 dx dP ρ Po (− AdP − ρAgdz − τ W WP dx − dw − mdv = 0) − 1 A dx ρ + gdz + τ WρWP dx + δW + vdv = 0 A + g ∫ dz + ∫ zi 0 z0 L v0 Pi ∫ dP ρ τ W WP ρA dx + ∫ δW + ∫ vdv = 0 vi Po Pi ∫ρ dP + g ( z 0 − zi ) + e f + W + 1 (α 0 v0 − α i vi ) 2 = 0 2 L W W e f = ∫ τ WρWP dx = τ WρAP L = τρ ( 4 L ) A Dh 0 W = ∫ δW Loss Coefficient = K f = e f = Σ K fi 1 v 2 2 i ef v2 2 Fanning Friction Factor = f = e f = 2 fv ( DL ) W 2 τw ρv 2 2 Hydrolic Diameter = Dh ≡ 4 WAP Re = ρDh v µ µ = Absolute vis cos ity ∆P = 2 fρv 2 L Dh ...
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This document was uploaded on 09/26/2010.

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