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10
10 3 2 CHEMICAL ENGINEERING
Viscosity mNs/m 2 10 1
10 0
10 −1
100 100 100 100 100
Temperature °C
Figure 8.1. Generalised viscosity vs. temperature curve for liquids
plot of Lewis and Squires (1934), Figure 8.1. The scale of the temperature ordinate is
obtained by plotting the known value, as illustrated in Example 8.3.
Example 8.3
Ž
Ž
Estimate the viscosity of toluene at 80 C, using the value at 20 C given in Example 8.2.
