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Journal Articles

Mechanical Power Losses of Ball Bearings: Model and Experimental Validation

A. Dindar, A. S. Chimanpure, A. Kahraman
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. May 2022, 144(5): 051603.
Paper No: TRIB-21-1177
DOI: https://doi.org/10.1115/1.4052064
Published Online: August 27, 2021
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Topics: Ball bearings, Bearings, Friction, Stress, Surface roughness, Knudsen number, Transients (Dynamics), Traction, Dynamic models, Elastohydrodynamic lubrication
Journal Articles

An Experimental Methodology to Determine Components of Power Losses of a Gearbox

A. Dindar, K. Chaudhury, I. Hong, A. Kahraman, C. Wink
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. November 2021, 143(11): 111203.
Paper No: TRIB-20-1439
DOI: https://doi.org/10.1115/1.4049940
Published Online: February 23, 2021
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Topics: Bearings, Gears, Mechanical drives, Rotation, Stress
Journal Articles

A Transient Mixed Elastohydrodynamic Lubrication Model for Helical Gear Contacts

A. S. Chimanpure, A. Kahraman, D. Talbot
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. June 2021, 143(6): 061601.
Paper No: TRIB-20-1297
DOI: https://doi.org/10.1115/1.4048499
Published Online: October 27, 2020
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Topics: Elastohydrodynamic lubrication, Gears, Helical gears, Surface roughness, Transients (Dynamics), Stress, Pressure
Journal Articles

An Experimental and Theoretical Study of Quasi-Static Behavior of Double-Helical Gear Sets

M.R. Kang, A. Kahraman
Journal: Journal of Mechanical Design
Article Type: Research Papers
J. Mech. Des. April 2021, 143(4): 043401.
Paper No: MD-20-1065
DOI: https://doi.org/10.1115/1.4047906
Published Online: October 12, 2020
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Topics: Errors, Gears, Stress, Double helical gears
Journal Articles

Static and Dynamic Transmission Error Measurements of Helical Gear Pairs With Various Tooth Modifications

M. Benatar, M. Handschuh, A. Kahraman, D. Talbot
Journal: Journal of Mechanical Design
Article Type: Research-Article
J. Mech. Des. October 2019, 141(10): 103301.
Paper No: MD-19-1002
DOI: https://doi.org/10.1115/1.4043586
Published Online: May 14, 2019
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Topics: Errors, Gears, Helical gears, Torque, Measurement systems
Journal Articles

An Experimental Study of Influence of Lubrication Methods on Efficiency and Contact Fatigue Life of Spur Gears

J. Moss, A. Kahraman, C. Wink
Journal: Journal of Tribology
Article Type: Research-Article
J. Tribol. September 2018, 140(5): 051103.
Paper No: TRIB-17-1346
DOI: https://doi.org/10.1115/1.4039929
Published Online: May 3, 2018
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Topics: Gears, Lubrication, Spur gears
Journal Articles

A Load Distribution Model for Planetary Gear Sets

Y. Hu, D. Talbot, A. Kahraman
Journal: Journal of Mechanical Design
Article Type: Research-Article
J. Mech. Des. May 2018, 140(5): 053302.
Paper No: MD-17-1597
DOI: https://doi.org/10.1115/1.4039337
Published Online: March 9, 2018
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Topics: Gears, Planetary gears, Stress, Errors
Journal Articles

An Experimental Investigation of Churning Power Losses of a Gearbox

J. Polly, D. Talbot, A. Kahraman, A. Singh, H. Xu
Journal: Journal of Tribology
Article Type: Research-Article
J. Tribol. May 2018, 140(3): 031102.
Paper No: TRIB-17-1350
DOI: https://doi.org/10.1115/1.4038412
Published Online: January 24, 2018
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Topics: Gears, Mechanical drives, Rotation
Proceedings Papers

An Experimental Study of Influence of Lubrication Methods on Efficiency and Contact Fatigue Life of Spur Gears

J. Moss, A. Kahraman, C. Wink
Proc. ASME. IDETC-CIE2017, Volume 10: 2017 ASME International Power Transmission and Gearing Conference, V010T11A038, August 6–9, 2017
Paper No: DETC2017-67518
DOI: https://doi.org/10.1115/DETC2017-67518
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Topics: Fatigue life, Lubrication, Spur gears, Fatigue, Particle spin, Rotation, Spin (Aerodynamics), Stress, Cycles, Machinery
Journal Articles

A Three-Dimensional Load Sharing Model of Planetary Gear Sets Having Manufacturing Errors

N. Leque, A. Kahraman
Journal: Journal of Mechanical Design
Article Type: Research-Article
J. Mech. Des. March 2017, 139(3): 033302.
Paper No: MD-15-1830
DOI: https://doi.org/10.1115/1.4035554
Published Online: January 16, 2017
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Topics: Errors, Gears, Stress, Manufacturing, Planetary gears
Journal Articles

Impact of Tooth Indexing Errors on Dynamic Factors of Spur Gears: Experiments and Model Simulations

D. Talbot, A. Sun, A. Kahraman
Journal: Journal of Mechanical Design
Article Type: Research-Article
J. Mech. Des. September 2016, 138(9): 093302.
Paper No: MD-16-1134
DOI: https://doi.org/10.1115/1.4034175
Published Online: August 1, 2016
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Topics: Errors, Gears, Indexing (Machining), Stress, Spur gears
Journal Articles

A Stiffness Formulation for Spline Joints

J. Hong, D. Talbot, A. Kahraman
Journal: Journal of Mechanical Design
Article Type: Research-Article
J. Mech. Des. April 2016, 138(4): 043301.
Paper No: MD-15-1592
DOI: https://doi.org/10.1115/1.4032631
Published Online: February 19, 2016
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Topics: Splines, Stiffness, Stress, Errors, Indexing (Machining)
Proceedings Papers

An Experimental Study on the Motion Transmission Error of Planetary Gear Sets

B. Boguski, A. Kahraman
Proc. ASME. IDETC-CIE2015, Volume 10: ASME 2015 Power Transmission and Gearing Conference; 23rd Reliability, Stress Analysis, and Failure Prevention Conference, V010T11A044, August 2–5, 2015
Paper No: DETC2015-47275
DOI: https://doi.org/10.1115/DETC2015-47275
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Topics: Errors, Planetary gears, Gears, Flow (Dynamics), Torque
Proceedings Papers

A Stiffness Formulation for Spline Joints

J. Hong, D. Talbot, A. Kahraman
Proc. ASME. IDETC-CIE2015, Volume 10: ASME 2015 Power Transmission and Gearing Conference; 23rd Reliability, Stress Analysis, and Failure Prevention Conference, V010T11A002, August 2–5, 2015
Paper No: DETC2015-47336
DOI: https://doi.org/10.1115/DETC2015-47336
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Topics: Splines, Stiffness, Dynamic models, Deformation, Errors, Indexing (Machining), Stress, Torque, Trains
Proceedings Papers

A Model to Predict Pocketing Power Losses in Spiral Bevel Gears

E. Erkilic, D. Talbot, A. Kahraman
Proc. ASME. IDETC-CIE2015, Volume 10: ASME 2015 Power Transmission and Gearing Conference; 23rd Reliability, Stress Analysis, and Failure Prevention Conference, V010T11A051, August 2–5, 2015
Paper No: DETC2015-47344
DOI: https://doi.org/10.1115/DETC2015-47344
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Topics: Spiral bevel gears, Gears, Simulation, Aerospace industry, Cutting, Fluid mechanics, Gear teeth, Lubrication, Milling, Momentum
Proceedings Papers

Influence of Design Parameters on Mechanical Power Losses of Planetary Gear Sets

H. S. Kwon, A. Kahraman
Proc. ASME. IDETC-CIE2015, Volume 10: ASME 2015 Power Transmission and Gearing Conference; 23rd Reliability, Stress Analysis, and Failure Prevention Conference, V010T11A010, August 2–5, 2015
Paper No: DETC2015-47283
DOI: https://doi.org/10.1115/DETC2015-47283
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Topics: Design, Planetary gears, Gears, Algorithms, Bearings, Durability, Fluid films, Mechanical efficiency, Noise (Sound), Stress
Journal Articles

Effects of Tooth Indexing Errors on Load Distribution and Tooth Load Sharing of Splines Under Combined Loading Conditions

J. Hong, D. Talbot, A. Kahraman
Journal: Journal of Mechanical Design
Article Type: Research-Article
J. Mech. Des. March 2015, 137(3): 032601.
Paper No: MD-14-1252
DOI: https://doi.org/10.1115/1.4029282
Published Online: March 1, 2015
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Topics: Errors, Indexing (Machining), Splines, Stress
Journal Articles

An Investigation of the Impacts of Contact Parameters on Wear Coefficient

V. Janakiraman, S. Li, A. Kahraman
Journal: Journal of Tribology
Article Type: Research-Article
J. Tribol. July 2014, 136(3): 031602.
Paper No: TRIB-14-1026
DOI: https://doi.org/10.1115/1.4027440
Published Online: May 6, 2014
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Topics: Wear, Surface roughness, Stress, Disks
Journal Articles

Impact of Tooth Spacing Errors on the Root Stresses of Spur Gear Pairs

M. J. Handschuh, A. Kahraman, M. R. Milliren
Journal: Journal of Mechanical Design
Article Type: Research-Article
J. Mech. Des. June 2014, 136(6): 061010.
Paper No: MD-13-1342
DOI: https://doi.org/10.1115/1.4027337
Published Online: May 2, 2014
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Topics: Errors, Gears, Stress, Spur gears
Journal Articles

An Automated Design Search for Single and Double-Planet Planetary Gear Sets

H. S. Kwon, A. Kahraman, H. K. Lee, H. S. Suh
Journal: Journal of Mechanical Design
Article Type: Research-Article
J. Mech. Des. June 2014, 136(6): 061004.
Paper No: MD-13-1368
DOI: https://doi.org/10.1115/1.4026871
Published Online: April 11, 2014
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Topics: Design, Gears, Planetary gears, Stress