Table 7. Petroleum-Based Kerosene Cuts: Parameters A and B from MacCoull’s Viscosity–Temperature Equation Used in ASTM D341, Maximum Relative Deviation between the Kinematic Viscosity Predicted via ASTM D341 and Experimental Data as well as r2 of the Correlation.
| initial boiling point (°C) | minimum viscosity determination temperature (°C) | maximum viscosity determination temperature (°C) | A | B | maximum relative deviation between predicted and experimental data (%) | r2 |
|---|---|---|---|---|---|---|
| 140 | –60 | 40 | 9.110 | 3.953 | 5.0 | 0.99858 |
| 145 | –60 | 40 | 9.201 | 3.993 | 3.8 | 0.99919 |
| 150 | –60 | 40 | 9.364 | 4.053 | 4.5 | 0.99888 |
| 155 | –60 | 40 | 9.244 | 3.991 | 3.6 | 0.99917 |
| 160 | –60 | 40 | 9.569 | 4.120 | 4.8 | 0.99895 |
| 165 | –60 | 40 | 9.569 | 4.111 | 4.3 | 0.99920 |
| 170 | –60 | 40 | 9.332 | 3.999 | 1.7 | 0.99983 |
| 175 | –60 | 40 | 9.528 | 4.068 | 1.5 | 1.00000 |
| 180 | –60 | 60 | 9.437 | 4.022 | 1.2 | 0.99994 |
| 185 | –60 | 60 | 9.458 | 4.022 | 1.1 | 0.99994 |
| 190 | –60 | 40 | 9.023 | 3.824 | 5.6 | 0.99964 |
| 195 | –55 | 60 | 9.561 | 4.043 | 0.8 | 0.99995 |
| 200 | –55a | 60 | 9.623 | 4.059 | 1.4 | 0.99991 |
| 205 | –55a | 60 | 9.642 | 4.060 | 1.9 | 0.99985 |
| 210 | –55a | 60 | 9.672 | 4.064 | 2.5 | 0.99978 |
| 215 | –50a | 60 | 9.686 | 4.061 | 0.7 | 1.00000 |
| 220 | –35 | 60 | 9.783 | 4.092 | 2.5 | 0.99998 |
| 225 | –45a | 60 | 9.997 | 4.170 | 3.8 | 0.99626 |
| 230 | –40a | 60 | 9.843 | 4.096 | 3.8 | 0.99995 |
| 235 | –40a | 60 | 9.911 | 4.118 | 4.0 | 0.99994 |
| 240 | –30a | 60 | 9.899 | 4.105 | 1.6 | 0.99999 |
| 245 | –30a | 60 | 9.943 | 4.114 | 1.9 | 0.99999 |
| 250 | –30a | 60 | 10.007 | 4.132 | 2.1 | 0.99998 |
a
Viscosity measurement at temperatures slightly below the optically determined freezing point is possible because the onset of freezing was not reached at that temperature.