Pitting Influence on Electrical Capacitance in EHL Rolling Contacts
Anatoly Zaiat,
Karim Ibrahim,
Eckhard Kirchner
Abstract:This work presents an investigation on the influence of pitting in EHL rolling contact. The pitting geometry comes as an extension on the architecture for multi-physical numerical calculations of rolling element bearing contacts based on OpenFOAM. The model utilized is built according to the state-of-the-art for fluid–solid interaction and electro-quasi-static fields. In this framework, the contact is reduced to be two dimensional in order to reduce the computing costs needed. The changes in the electric prope… Show more
“…Zaiat et al [42] show that the surface topology has an important influence on current passages by investigating the influence of pittings in the EHL rolling contact on the electrical capacitance. To investigate this, a multi-physical numerical calculation is extended by the pitting geometry, which changes the electric properties.…”
In recent years, electrical damage phenomena in rolling and plain bearings have become increasingly important due to the growing electrification of individual mobility and renewable energy technologies [...]
“…Zaiat et al [42] show that the surface topology has an important influence on current passages by investigating the influence of pittings in the EHL rolling contact on the electrical capacitance. To investigate this, a multi-physical numerical calculation is extended by the pitting geometry, which changes the electric properties.…”
In recent years, electrical damage phenomena in rolling and plain bearings have become increasingly important due to the growing electrification of individual mobility and renewable energy technologies [...]
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