# Formula1 - Formulae for PGE 424 y |(y/x1)Q|x1 |(y/x2)Q| x2...

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Formulae for PGE 424 Δy ≈ |(∂y/∂x 1 ) Q |Δx 1 + |(∂y/∂x 2 ) Q | Δx 2 + |(∂y/∂x 3 ) Q | Δx 3 ∂( ρφ )/∂t+div( ρ q )=0; div( q )=0 k ml ’= Σ k ij α mi α lj where α mi = Cos (x m , x i ) Q= (k/ μ )A (P 1 -P 2 )/L; Q = 2 π kh (P e -P w ) / μ ln(r e /r w ) m = (kA/ μ c) ( ρ 1 - ρ 2 )/L; Q b =(kA/2 μ ZL){(P 1 2 -P 2 2 )/P b } Q sc = 7.03x10 -4 kh (P e 2 -P w 2 )/{TµZ ln(r e /r w )} k = Σ k i h i / Σ h i ; k = L t / Σ (L i /k i ); k = (k1*k2*k3. .) 1/n k = log (r e /r w )/ Σ {log (r i /r i-1 )/k i } q i = π r 4 P/8 μ l; k= ( φ r 2 /8 τ ) ρ (dv/dt + v. v)= - P+ ρ g+ µ 2 v -dP/dx = µq/k + ρβ q 2 P e 2 -P w 2 =[1422µZq sc ln(r e /r w )]/(kh) + [3.161x10 -12 β v g Zq sc 2 T/h 2 ] (1/r w 1/r e ); β = 2.33x10 10 /k 1.2 ; q x n = -[k/a] ( P/ x) k g = k L [1+ (b/P m )]; b= (2.13µ/r) (RT/M) 0.5 ; cos θ = ( σ os - σ ws )/ σ ow 1/R1 = (d 2 y/dx 2 )/[1+(dy/dx)
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