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Dynamic and tribological analysis of a toroidal CVT

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posted on 2023-06-08, 21:06 authored by K Philpot, Romeo GlovneaRomeo Glovnea
The continuously variable transmission investigated in this paper works with contacts in the elastohydrodynamic regime of lubrication, thus the tangential forces are transmitted between elements through the shearing the lubricant film. The behavior of the lubricant film when subjected to shear depends of the nature of the lubricant and the relative motion between the contacting surfaces. In this paper a non-Newtonian behavior is assumed for the lubricant while the relative motion is determined for every point on the contact area by kinematic methods. The net tractive force in the sliding direction, and the spin torque are evaluated and from these the power losses in the contacts are calculated. The dynamic behavior of the device is evaluated taking into account the rheological behavior of the lubricant.

History

Publication status

  • Published

File Version

  • Accepted version

Journal

Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology

ISSN

1350-6501

Publisher

SAGE Publications

Issue

421

Volume

231

Page range

453-460

Department affiliated with

  • Engineering and Design Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2015-06-15

First Open Access (FOA) Date

2015-06-15

First Compliant Deposit (FCD) Date

2015-06-15

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