Effects of Hydrogen on the Tribological Performance of Heavily Loaded Lubricated Contacts DOI

Ramakrishnan Jayasekaran,

Farshid Sadeghi,

Roger England

et al.

Tribology Transactions, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 17

Published: Sept. 12, 2024

Language: Английский

CFD-based Assessment of Minimal Oil Injection in Loaded Gas-Turbine Bearings DOI

Marios Soteriou,

Todd M. Currier,

Adam Smedresman

et al.

AIAA SCITECH 2022 Forum, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 3, 2025

Language: Английский

Citations

0
Cage parameters on friction within cage-pockets contacts and lubrication behaviors in ball-raceway contacts DOI

Xuyang Jin,

Yonghui Wang,

Qinghua Bai

et al.

Tribology International, Journal Year: 2025, Volume and Issue: unknown, P. 110747 - 110747

Published: April 1, 2025

Language: Английский

Citations

0
Lubricant levitation in high-speed bearings: An experimental approach DOI

Ujjawal Arya,

Joseph Leo Misenar,

Farshid Sadeghi

et al.

Physics of Fluids, Journal Year: 2025, Volume and Issue: 37(4)

Published: April 1, 2025

Lubricant flow in rolling element bearings is quite complex due to the motion of balls, cage, and inner outer races. This phenomenon further complicated at high speeds. study aims experimentally investigate lubricant condition on bearing surfaces under high-speed (HS) conditions. The primary tests were conducted using a dedicated test rig with rotating ball race setups. At speeds, levitated from surface race. levitation was found be governed by three factors: speed, properties, finish. A camera used capture various speeds ranging 3.8 27.9 m/s. experimental results revealed that as speed increases, aerodynamic Leidenfrost effect becomes significant, which inhibits adhesion surfaces. influence properties investigated testing lubricants varying viscosities, while finish examined comparing coatings different wettability characteristics. observations this investigation provide fundamental insight into critical parameters influencing levitation, adhesion, and, consequently, lubrication tribology applications.

Language: Английский

Citations

0
Deep Groove Ball Bearing Cage Design using Computational Fluid Dynamics DOI

Jungsoo Park,

Farshid Sadeghi, Seungpyo Lee

et al.

Tribology International, Journal Year: 2025, Volume and Issue: unknown, P. 110775 - 110775

Published: May 1, 2025

Language: Английский

Citations

0
Investigating lubricant behavior in a partially flooded tapered roller bearing: Validation of a multiphase CFD solver for aerated oil sump via particle image velocimetry studies and high-speed camera acquisitions DOI Creative Commons
Lorenzo Maccioni, Valery Chernoray, Franco Concli

et al.

Tribology International, Journal Year: 2024, Volume and Issue: 201, P. 110274 - 110274

Published: Sept. 25, 2024

Language: Английский

Citations

2
Effects of Hydrogen on the Tribological Performance of Heavily Loaded Lubricated Contacts DOI

Ramakrishnan Jayasekaran,

Farshid Sadeghi,

Roger England

et al.

Tribology Transactions, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 17

Published: Sept. 12, 2024

Language: Английский

Citations

0