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@article{187552,
author = {Swapnil Wadkar and Kanna Rajesh Deepak and Peddibhotla Brahma Prakash},
title = {Multi-Phase Analysis of Oil-Air Cavitation and Its Impact on Heat Generation and Wear in High-Speed Automatic Transmission Lubrication},
journal = {International Journal of Innovative Research in Technology},
year = {2025},
volume = {12},
number = {6},
pages = {5223-5228},
issn = {2349-6002},
url = {https://ijirt.org/article?manuscript=187552},
abstract = {Oil-air cavitation in automatic transmissions can lead to bubble formation and violent collapse events that produce localized thermal spikes and pressure shocks, impacting fluid properties and component durability. This paper presents a MATLAB/Simulink-based model to simulate cavitation phenomena in ZF Lifeguard automatic transmission fluid (ATF). A system-level model is developed in Simulink using Simscape Fluids to capture cavitation threshold detection, bubble dynamics, energy dissipation, and transient thermal rise, without relying on CFD solvers.
Rayleigh-Plesset based equations are employed to simulate bubble behavior, and thermodynamic relations model the energy conversion during collapse. Simulation blocks include two-phase fluid domain, custom MATLAB functions for bubble logic, and thermal monitoring. Results show bubble collapse-induced pressure spikes and temperature increases, allowing engineers to assess cavitation risk and fluid integrity. The model lays groundwork for future validation with experiments and ANSYS Fluent-based CFD.).},
keywords = {},
month = {November},
}
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