• Author / Uploaded
• May Tampus

Citation preview

Pseudopressure (psia2/cp)

1.2E+00 1.0E+00 8.0E-01 6.0E-01 4.0E-01

2.0E-01 0.0E+00 0

Pressure (psia)

Carr-Kobayashi-Burrows Viscosity.xls This spreadsheets calculate gas viscosity with correlation of Carr, Kobayashi, and Burrows. Input Data: Pressure:

10000 psia

Temperature:

180 F

Gas specific gravity: Mole fraction of N2:

0.65 air =1

Mole fraction of CO2:

0.08

Mole fraction of H2S:

0.02

0.1

Calculated Parameter Values: Pseudocritical pressure:

697.164 psia

Pseudocritical temperature:

345.357 R

Uncorrected gas viscosity at 14.7 psia: N2 correction for gas viscosity at 14.7 psia:

0.012174 cp

CO2 correction for gas viscosity at 14.7 psia:

0.000363 cp

H2S correction for gas viscosity at 14.7 psia:

0.000043 cp

Corrected gas viscosity at 14.7 psia (m1): Pseudo-reduced pressure: Pseudo-reduced temperature: ln (mg/m1*Tpr) Gas viscosity:

0.000800 cp

0.013380 cp 14.34 1.85 1.602274 0.035843 cp

a0 =

-2.462

a1 =

2.97

a2 =

-0.2862

a3 =

0.008054

a4 =

2.808

a5 =

-3.498

a6 =

0.3603

a7 =

-0.01044

a8 =

-0.7933

a9 =

1.396

a10 =

-0.1491

a11 =

0.00441

a12 =

0.08393

a13 =

-0.1864

a14 =

0.02033

a15 =

-0.0006095