Emily Aneshansley is a former Graduate Research Associate of the Gear and Power Transmission Research Laboratory at The Ohio State University. Emily completed her M.S. in December 2021. Emily’s thesis entitled “Applied Statistical Microcontact Model for the Prediction of Gear Power Loss” focused on developing a stochastic-based model for estimating the friction coefficient in spur gears. She now works as a Mechanical Engineer at Design Collaborative in Fort Wayne, Ind.
Mechanical power loss in gears is generated through sliding and rolling of the contact resulting in frictional work and elastic hysteresis generation of heat. This action is both a parasitic loss of energy from the drivetrain and a source of engineering costs to control system temperature to avoid heat-related failures of the gearbox components. Therefore, from both a cost and durability standpoint it is of great interest to minimize the frictional losses at the gear tooth contact interface.
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