Código de visual Basic
Enviado por Helena • 19 de Diciembre de 2018 • 4.646 Palabras (19 Páginas) • 440 Visitas
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End Function
Function SL(P) As Double
Dim AL As Double, BL As Double, CL As Double, DL As Double, EL As Double, FL As Double, GL As Double
AL = -0.000167772
BL = 0.004272688
CL = 0.01048048
DL = 0.05801509
EL = 0.00000009101291
FL = -0.000000000027592
GL = 0.11801
P = P * 14.5038 'Conversion de bar a psia
SL = AL * P + BL / P + CL * (P) ^ 0.5 + DL * Log(P) + EL * (P) ^ 2 + FL * (P) ^ 3 + GL
SL = SL * 4.1868 'KJ/Kg*K
End Function
Function SV(P) As Double
Dim AV As Double, BV As Double, CV As Double, DV As Double, EV As Double, FV As Double, GV As Double
AV = -0.0001476933
BV = 0.0012617946
CV = 0.00344201
DV = -0.08494128
EV = 0.0000000689138
FV = -0.000000000024941
GV = 1.97364
P = P * 14.5038 'Conversion de bar a psia
SV = AV * P + BV / P + CV * (P) ^ 0.5 + DV * Log(P) + EV * (P) ^ 2 + FV * (P) ^ 3 + GV 'Unidadades PSIA/Lb °R
SV = SV * 4.1868 'KJ/Kg*K
End Function
Public Function Tprom(T)
Dim ValorCelda5 As Double
ValorCelda5 = Worksheets("propiedades").Range("B4").Value 'Tsat
Tprom = (T * ValorCelda5) ^ 0.5
End Function
Function SSc()
SSc = SVapSatAgua + (HVapSCAgua - HVapSatAgua) / Tprom
End Function
'tension sup agua
Function Ts(T) As Double
T = 1.8 * (T - 273) + 32 '°F
Ts = 79.5118 - 0.09605 * T
End Function
' conductividad agua
Function K(T)
T = (T - 273)
K = 0.31431 + 0.00047673 * T
K = K * (1.05506 * 3.281)
End Function
'Viscosidad agua
Function v(T)
T = 1.8 * (T - 273) + 32
v = 62.233 / T
End Function
' Densidad agua
Function D(T)
Dim dref As Double
T = 1.8 * (T - 273) + 32
dref = 0.997375 + 0.00012 * T - 0.000001601 * (T) ^ 2 + 0.000000001601 * (T) ^ 3
D = 62.47 * (dref)
D = D * (0.453592 / 28.3168)
End Function
'Densidad metanol
Function Den(P) 'Densidad CHECAR
Dim b As Double, C As Double, D As Double, Tr As Double, R As Double, Vs As Double
Dim w As Double, Zc As Double, Tc As Double, Pc As Double, Vc As Double, A As Double
Dim Aa As Double, Ba As Double, Ca As Double, Pvap As Double, v0 As Double, T As Double
Zc = 0.224
Vc = 118 '(cm^3*mol)^-1
w = 0.564
Aa = 16.5785 'Parametros Antoine
Ba = 3638.27 'Parametros Antoine
Ca = 239.5 'Parametros Antoine
Pc = 80.97 'bar
C = 2.71828
D = 1.0058
Tc = 512.6 'K 'Para calculo de Vs 'no necesario
R = 8.314 'Para calculo de Vs 'no necesario
T = 325 'PENDIEEEEEEEEEENTEEEEEEEE DICULPE USTED NO SE COMO HACERLE
Tr = T / Tc
Vs = Vc * (Zc ^ ((1 - Tr) ^ (2 / 7)))
b = 0.164813 - 0.0914427 * w
A = -170.335 - 28.578 * Tr + 124.809 * (Tr ^ 3) - 55.5393 * (Tr ^ 6) + (130.01 / Tr)
Pvap = Exp(Aa - (Ba / (T - 273 + Ca))) ' Antoine kPa NO PIDE Psat solo Pvap? ' CHECAR
Pvap = Pvap / (10 ^ 5) 'de kPa a bar
v0 = Vs * ((A * Pc + (C ^ ((D - Tr) ^ b)) * (P - Pvap)) / (A * Pc + C * (P - Pvap)))
Den = 1 / v0 'mol/cm^3
Den = Den * 32 'Multiplicado por el PM
End Function
'Viscosidad metanol
Function VMet(T) As Double 'Viscosidad del Metanol
Dim Am As Double, Bm As Double, mm As Double, Den As Double
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