dr. J.A. Osara (Jude) | Universiteit Twente

Physics & Astronomy

# Degradation
# Greases
# Thermodynamics

Engineering & Materials Science

# Degradation
# Entropy
# Lubricating Greases
# Thermodynamics

Chemistry

# Entropy

Faculty of Engineering Technology (ET), Surface Technology and Tribology (STT)

Shetty, P. , Meijer, R. J. , Osara, J. A. , Pasaribu, R. , & Lugt, P. M. (2024). Vibrations and film thickness in grease-lubricated deep groove ball bearings. Tribology international, 193, Article 109325. Advance online publication. https://doi.org/10.1016/j.triboint.2024.109325

Meijer, R. J. , Osara, J. A. , & Lugt, P. M. (2024). On the Required Energy to Break Down the Thickener Structure of Lubricating Greases. Tribology transactions, 67(1), 123-128. https://doi.org/10.1080/10402004.2023.2297041

Shetty, P. , Meijer, R. J. , Osara, J. A. , Pasaribu, R. , & Lugt, P. M. (2024). Effect of Grease Filling on the Film Thickness in Deep-Groove Ball Bearings. Tribology transactions, 67(1), 62-69. https://doi.org/10.1080/10402004.2023.2282632

Sathwik Chatra, K. R. , Osara, J. A. , & Lugt, P. M. (2023). The lubrication mechanism behind the transition from churning to bleeding in grease lubricated bearings – Experimental characterization. Tribology international, 183, Article 108375. https://doi.org/10.1016/j.triboint.2023.108375

Sathwik Chatra, K. R. , Osara, J. A. , & Lugt, P. M. (2023). Thermo-mechanical aging during churning in grease lubricated bearings and its impact on grease life. Tribology international, 181, Article 108248. https://doi.org/10.1016/j.triboint.2023.108248

Kalsanka Ramakrishna, S. C. (2023). The process of churning in grease lubricated bearings: Identification and Thermo-mechanical characterization. [PhD Thesis - Research UT, graduation UT, University of Twente]. University of Twente. https://doi.org/10.3990/1.9789036555081

Hogenberk, F. , Osara, J. A. , Ende, D. V. D. , & Lugt, P. M. (2023). On the evolution of oil-separation properties of lubricating greases under shear degradation. Tribology international, 179, Article 108154. https://doi.org/10.1016/j.triboint.2022.108154

Chatra, K. R. S. , Osara, J. A. , & Lugt, P. M. (2022). Impact of grease churning on grease leakage, oil bleeding and grease rheology. Tribology international, 176, Article 107926. https://doi.org/10.1016/j.triboint.2022.107926

Osara, J. A. , Lugt, P. M., Bryant, M. D., & Khonsari, M. M. (2022). Thermodynamic Characterization of Grease Oxidation-Thermal Stability via Pressure Differential Scanning Calorimetry. Tribology transactions, 65(3), 542-554. https://doi.org/10.1080/10402004.2022.2050452

Shetty, P. , Meijer, R. J. , Osara, J. A. , & Lugt, P. M. (2022). Measuring Film Thickness in Starved Grease-Lubricated Ball Bearings: An Improved Electrical Capacitance Method. Tribology transactions, 65(5), 869-879. https://doi.org/10.1080/10402004.2022.2091067

Osara, J. A., & Bryant, M. D. (2021). Evaluating Degradation Coefficients from Existing System Models. Applied Mechanics, 2(1), 159-173. https://doi.org/10.3390/applmech2010010

Osara, J. A., & Bryant, M. D. (2020). A temperature-only system degradation analysis based on thermal entropy and the degradation-entropy generation methodology. International journal of heat and mass transfer, 158, Article 120051. https://doi.org/10.1016/j.ijheatmasstransfer.2020.120051

Osara, J. A., & Bryant, M. D. (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)). Tribology international, 150, Article 106369. https://doi.org/10.1016/j.triboint.2020.106369

Osara, J. A., & Bryant, M. D. (2019). Thermodynamics of grease degradation. Tribology international, 137, 433-445. https://doi.org/10.1016/j.triboint.2019.05.020

Osara, J. A., & Bryant, M. D. (2019). Thermodynamics of Fatigue: Degradation-Entropy Generation Methodology for System and Process Characterization and Failure Analysis. Entropy, 21(7), Article 685. https://doi.org/10.3390/e21070685

Osara, J. A. (2019). Thermodynamics of Manufacturing Processes—The Workpiece and the Machinery. Inventions, 4(2), Article 28. https://doi.org/10.3390/inventions4020028

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Naar mijn profiel

Bachelor

Mechanical Engineering

Master

Mechanical Engineering

Vakken in het huidig collegejaar worden toegevoegd op het moment dat zij definitief zijn in het Osiris systeem. Daarom kan het zijn dat de lijst nog niet compleet is voor het gehele collegejaar.

j.a.osara@utwente.nl

Bezoekadres

Universiteit Twente
Faculty of Engineering Technology
Horst Complex (gebouwnr. 20)
De Horst 2
7522LW Enschede

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Postadres

Universiteit Twente
Faculty of Engineering Technology
Horst Complex
Postbus 217
7500 AE Enschede

Faculty of Engineering Technology (ET), Surface Technology and Tribology (STT)

Universiteit Twente Drienerlolaan 5
7522 NB Enschede

+31 (0)53 489 9111
info@utwente.nl
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