Expertises
Material Science
- Lubricating Grease
- Characterization
- Ball Bearing
- Film Thickness
- Temperature
Physics
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2024
On the film thickness in grease lubricated deep groove ball bearings (2024)[Thesis › PhD Thesis - Research UT, graduation UT]. University of Twente. Shetty, P.https://doi.org/10.3990/1.9789036561679Vibrations and film thickness in grease-lubricated deep groove ball bearings (2024)Tribology international, 193. Article 109325. Shetty, P., Meijer, R. J., Osara, J. A., Pasaribu, R. & Lugt, P. M.https://doi.org/10.1016/j.triboint.2024.109325Methods to Calculate Entropy Generation (2024)Entropy, 26(3). Article 237. Osara, J. A. & Bryant, M. D.https://doi.org/10.3390/e26030237Effect of Grease Filling on the Film Thickness in Deep-Groove Ball Bearings (2024)Tribology transactions, 67(1), 62-69. Shetty, P., Meijer, R. J., Osara, J. A., Pasaribu, R. & Lugt, P. M.https://doi.org/10.1080/10402004.2023.2282632Grease material properties from first principles thermodynamics (2024)Lubrication science, 36(1), 36-50. Osara, J. A., Chatra, S. & Lugt, P. M.https://doi.org/10.1002/ls.1672On the Required Energy to Break Down the Thickener Structure of Lubricating Greases (2024)Tribology transactions, 67(1), 123-128. Meijer, R. J., Osara, J. A. & Lugt, P. M.https://doi.org/10.1080/10402004.2023.2297041
2023
The lubrication mechanism behind the transition from churning to bleeding in grease lubricated bearings – Experimental characterization (2023)Tribology international, 183. Article 108375. Sathwik Chatra, K. R., Osara, J. A. & Lugt, P. M.https://doi.org/10.1016/j.triboint.2023.108375The process of churning in grease lubricated bearings: Identification and Thermo-mechanical characterization (2023)[Thesis › PhD Thesis - Research UT, graduation UT]. University of Twente. Kalsanka Ramakrishna, S. C.https://doi.org/10.3990/1.9789036555081Thermo-mechanical aging during churning in grease lubricated bearings and its impact on grease life (2023)Tribology international, 181. Article 108248. Sathwik Chatra, K. R., Osara, J. A. & Lugt, P. M.https://doi.org/10.1016/j.triboint.2023.108248On the evolution of oil-separation properties of lubricating greases under shear degradation (2023)Tribology international, 179. Article 108154. Hogenberk, F., Osara, J. A., Ende, D. v. d. & Lugt, P. M.https://doi.org/10.1016/j.triboint.2022.108154
2022
Impact of grease churning on grease leakage, oil bleeding and grease rheology (2022)Tribology international, 176. Article 107926. Chatra, K. R. S., Osara, J. A. & Lugt, P. M.https://doi.org/10.1016/j.triboint.2022.107926Measuring Film Thickness in Starved Grease-Lubricated Ball Bearings: An Improved Electrical Capacitance Method (2022)Tribology transactions, 65(5), 869-879. Shetty, P., Meijer, R. J., Osara, J. A. & Lugt, P. M.https://doi.org/10.1080/10402004.2022.2091067Thermodynamic Characterization of Grease Oxidation-Thermal Stability via Pressure Differential Scanning Calorimetry (2022)Tribology transactions, 65(3), 542-554. Osara, J. A., Lugt, P. M., Bryant, M. D. & Khonsari, M. M.https://doi.org/10.1080/10402004.2022.2050452
2021
Evaluating Degradation Coefficients from Existing System Models (2021)Applied Mechanics, 2(1), 159-173. Osara, J. A. & Bryant, M. D.https://doi.org/10.3390/applmech2010010
2020
Corrigendum to “Thermodynamics of grease degradation” [Tribol Int 137 (2019) 433–445] (Tribology International (2019) 137 (433–445), (S0301679X19302798), (10.1016/j.triboint.2019.05.020)) (2020)Tribology international, 150. Article 106369. Osara, J. A. & Bryant, M. D.https://doi.org/10.1016/j.triboint.2020.106369A temperature-only system degradation analysis based on thermal entropy and the degradation-entropy generation methodology (2020)International journal of heat and mass transfer, 158. Article 120051. Osara, J. A. & Bryant, M. D.https://doi.org/10.1016/j.ijheatmasstransfer.2020.120051
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