High viscosity lubricants result in high shear stresses.
As a rule of thumb, the viscosity of a
machine oil fall about 25% with every 10ºC temperature
The Reynolds interpolation function is accurate
in the vicinity of the reference points. The Vogel equation is
most accurate over the whole range.
viscosities at 40 °C y 100 °C are taken from the data sheet
as reference points, but any two temperatures and
viscosities can be inserted.