Modelling and Analysis of Hypoid Gear Churning Loss in Rear Drive Axle: The Role of Oil Viscosity and Empirical Parameters Mahindra Research Valley

Format:

Book

Conference/Event

Author/Creator:

Khan, Aliya Javid, author.

Contributor:

AP, Baaheedharan

Jain, Saurabh Kumar

Kanagaraj, Pothiraj

Praveen, Abhinav

Conference Name:

Symposium on International Automotive Technology (2026) (2026-01-28 : Pune, India)

Language:

English

Physical Description:

1 online resource cm

Place of Publication:

Warrendale, PA SAE International 2026

Summary:

This definitive study investigates the variation of churning losses occurring with hypoid ring and pinion gear sets and factors that determine energy dissipation in these mechanisms. An in-depth investigation confirms that viscosity is critical, particularly because of its significant temperature-dependent variations. Furthermore, the study rigorously analyzes the data's experimental parameters to examine churning losses. These losses result from the interaction between the rotating gears and the lubricating oil, contributing to notable inefficiencies in the overall drivetrain. A robust and highly effective model has been developed to address this issue comprehensively. It accounts for variable oil viscosity with temperature and integrates key empirical parameters that reflect observed behaviours in gear systems.The study employs a multidimensional approach to examine how oil density impacts hydrodynamic resistance, which is key to understanding lubricant flow under varying conditions. It also assesses how fluid fill levels in the gear housing affect lubrication effectiveness and influence energy losses. It further defines the relationship of oil volume with power losses, signifying its importance in improving gear performance.This developed simulation model will thus give a holistic understanding of fluid dynamics relating to energy dissipation within gear systems by analyzing how these variables interact with each other and kinematic viscosity. This level of detail gives a deeper insight into the mechanisms in operation, thereby fostering better methods in optimising churning losses. The results of this study demonstrate crucial practical implications for optimizing lubrication methods, enhancing gear housing designs, and selecting the most effective fluids for gear systems. This research strengthens current knowledge in the automotive engineering sector and drives the advancement of more efficient and eco-friendly drivetrain systems. Tackling real problems in engineering, this study bridges the divide between theoretical models and applications by equipping engineers with more advanced tools to enhance overall system performance and efficiency

Notes:

Vendor supplied data

Publisher Number:

2026-26-0508

Access Restriction:

Restricted for use by site license