Methods and the resulting general mathematical model of concentration variation rates of particles in lubricating oil during the life of a mechanism such as a gear box are presented. Calculations for the pre-failure period not considered earlier by Kjer are reported. © 1982.
Szymczyk, W. (1982). Variations in wear particle concentration in lubricating oil. Wear, 80(1), 121–124. https://doi.org/10.1016/0043-1648(82)90093-X