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Title: Tribo-dynamics of differential hypoid gears
Authors: Mohammadpour, Mahdi
Theodossiades, Stephanos
Rahnejat, Homer
Issue Date: 2013
Publisher: © ASME
Citation: MOHAMMADPOUR, M., THEODOSSIADES, S. and RAHNEJAT, H., 2013. Tribo-dynamics of differential hypoid gears. ASME 2013 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference Volume 5: 25th International Conference on Design Theory and Methodology; ASME 2013 Power Transmission and Gearing Conference Portland, Oregon, USA, August 4–7, 2013, 8pp.
Abstract: Differential hypoid gears play an important role on the Noise, Vibration and Harshness (NVH) signature of vehicles. Additionally, friction developed between their teeth flanks under extreme loading conditions adds another source of power loss in the drivetrain which can mitigate vibrational energy. The paper considers the coupling between dynamics and analytical tribology to study dynamic response of hypoid gear pairs with lateral motion of support shafts also included in the analysis framework. Friction of teeth flank pairs is assumed to follow elastohydrodynamic lubrication under elliptical point contact geometry with lubricant film behavior conforming to Non-Newtonian thermal shear, also with surface asperity interactions. Tooth Contact Analysis (TCA) has been used to obtain the input data required for the investigation. The dynamic behavior and efficiency of a differential hypoid gear pair under realistic operating conditions is determined. The proposed tribo-dynamic framework provides a useful platform to conduct an extensive series of parametric studies.
Description: This conference paper [© ASME] is Closed Access. For more information on how to obtain this article please visit the ASME Digital Library, http://www.asmedl.org
Version: Published
DOI: 10.1115/DETC2013-12890
URI: https://dspace.lboro.ac.uk/2134/14261
Publisher Link: http://dx.doi.org/10.1115/DETC2013-12890
ISBN: 978-0-7918-5592-8
Appears in Collections:Closed Access (Mechanical, Electrical and Manufacturing Engineering)

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