Research Article

High Pressure Falling Sinker Liquid Viscosity Determination without Supplementary Density Data: A New Approach

Table 5

Errors in coefficient A and evaluated properties for n-dodecane.

PressureA1A2ρ fμ
(MPa)(%)(%)(%)(%)

14.51.621.93−4.77−1.06
20.31.981.379.47−3.01
24.33.570.7840.61−7.97
31.20.772.06−20.611.62
35.20.361.8423.672.39
39.7−0.090.86−15.151.87
45.20.091.05−15.061.68
49.90.701.01−4.80−0.13
54.51.57−0.3528.06−4.81
59.80.40−0.6115.24−2.20
64.80.68−0.5718.50−2.86
70.40.67−0.1912.72−2.18
75.0−0.63−1.249.10−0.46
81.00.55−0.089.30−1.66
85.9−1.32−1.02−4.531.89
95.2−2.83−1.64−18.835.27
115.1−2.18−1.34−12.893.84
120.5−2.54−0.97−24.355.67