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2025 | OriginalPaper | Chapter

15. Dynamical Analysis of a Helical Gear Pair with Backlash Under Variable Load Torque Conditions

Authors : Laís Bitencourt Visnadi, Aline Souza de Paula

Published in: Advances in Structural Vibration

Publisher: Springer Nature Switzerland

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Abstract

The chapter delves into the dynamical analysis of a helical gear pair subjected to variable load torque conditions, a crucial aspect for wind turbine gearboxes. It introduces a lumped parameter model that accounts for gear mesh dynamics, flexibilities in gear supports, and variable driving and load torques. The study focuses on the high-speed stage of wind turbine gearboxes, highlighting the internal non-linearities introduced by backlash, time-varying mesh stiffness, and static transmission errors. The analysis includes simulations both with and without backlash, revealing the impact of backlash on gear system dynamics and performance. The results show that load torque variations can lead to damaging effects on the gear pair, particularly in the presence of backlash, where impacts and chaotic behavior may occur. The chapter offers valuable insights into the behavior of helical gear pairs under real-world conditions, making it a must-read for specialists in the field.

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Title: Dynamical Analysis of a Helical Gear Pair with Backlash Under Variable Load Torque Conditions
Authors: Laís Bitencourt Visnadi
Aline Souza de Paula
Publisher: Springer Nature Switzerland
Book: Advances in Structural Vibration
Print ISBN: 978-3-031-71539-6

Electronic ISBN: 978-3-031-71540-2

Copyright Year: 2025
DOI: https://doi.org/10.1007/978-3-031-71540-2_15