Property Calculation
⇒ Saturated Vapor Pressure
⇒ Saturated Liquid Density
⇒ Liquid Dynamic Viscosity
⇒ Surface Tension
⇒ Heat of Vaporization
Property Estimation
⇒ UNIFAC
⇒ MOSCED
⇒ Joback
Group Assignment
⇒ UNIFAC and PSRK

20 Years UNIFAC Consortium

Liquid Dynamic Viscosity

Calculation by Vogel Equation

Component
Temperature Unit 
Property Unit
Temperatures
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Component Details
DDB NumberNameCAS-No. Formula
 11   Ethanol   64-17-5   C2H6O 

Vogel Equation Parameters (Viscosity in mPa*s, T in K)
No. A B C Tmin [K] Tmax [K]
1 -7.37146 2770.25 74.6787 159 516
Vogel Equation

Calculation Over Validity Range
Temperature [K] Viscosity(1) [mPa*s]
159 88.5434
166.14 62.3028
173.28 44.7353
180.42 32.7225
187.56 24.3465
194.7 18.4007
201.84 14.1095
208.98 10.9647
216.12 8.62694
223.26 6.86608
230.4 5.52335
237.54 4.48764
244.68 3.68016
251.82 3.04427
258.96 2.53878
266.1 2.1334
273.24 1.80559
280.38 1.53844
287.52 1.31912
294.66 1.13781
301.8 0.986944
308.94 0.860625
316.08 0.754239
323.22 0.664141
330.36 0.587435
337.5 0.521802
344.64 0.465376
351.78 0.416645
358.92 0.374379
366.06 0.337568
373.2 0.305382
380.34 0.277136
387.48 0.252257
394.62 0.23027
401.76 0.210775
408.9 0.193434
416.04 0.177965
423.18 0.164124
430.32 0.151707
437.46 0.140538
444.6 0.130464
451.74 0.121358
458.88 0.113105
466.02 0.105611
473.16 0.0987888
480.3 0.0925666
487.44 0.0868797
494.58 0.0816721
501.72 0.0768942
508.86 0.0725027
516 0.0684593
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