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Punit Kumar
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Journal Articles

Implementation of a New Smart-Lubricant Model Using Generalized Newtonian Approach in Soft Elastohydrodynamic Lubrication

Nirav Kantilal Meghpara, Punit Kumar, Gian Bhushan
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2024, 146(10): 104101.
Paper No: TRIB-24-1047
https://doi.org/10.1115/1.4065496
Published Online: June 6, 2024
View Article titled, Implementation of a New Smart-Lubricant Model Using Generalized Newtonian Approach in Soft Elastohydrodynamic Lubrication
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Topics: Film thickness, Lubricants, Stress, Yield stress, Rheology, Fluids, Pressure, Elastohydrodynamic lubrication, Flow (Dynamics), Shear rate
Proceedings Papers

Investigation of Skin Material Models for Ballistic Response

Punit Kumar Pandey, Shailesh Ganpule
Proc. ASME. IMECE2021, Volume 5: Biomedical and Biotechnology, V005T05A051, November 1–5, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2021-73466
https://doi.org/10.1115/IMECE2021-73466
View Paper titled, Investigation of Skin Material Models for Ballistic Response
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Topics: Projectiles, Skin
Journal Articles

Lubricant Selection for Minimum Traction in Elastohydrodynamic Lubrication Line Contacts During Accelerated Motion—A Numerical Approach

Niraj Kumar, Punit Kumar
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research-Article
J. Tribol. September 2017, 139(5): 051502.
Paper No: TRIB-16-1072
https://doi.org/10.1115/1.4036167
Published Online: May 26, 2017
View Article titled, Lubricant Selection for Minimum Traction in Elastohydrodynamic Lubrication Line Contacts During Accelerated Motion—A Numerical Approach
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Topics: Elastohydrodynamic lubrication, Lubricants, Shear (Mechanics), Traction, Transients (Dynamics), Viscosity, Film thickness
Journal Articles

Transient Elastohydrodynamic Lubrication Film Thickness During Normal Approach Considering Shear-Thinning and Linear Piezoviscous Oils

Punit Kumar, Tapash Jyoti Kalita
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research-Article
J. Tribol. April 2015, 137(2): 021504.
Paper No: TRIB-14-1193
https://doi.org/10.1115/1.4029673
Published Online: April 1, 2015
View Article titled, Transient Elastohydrodynamic Lubrication Film Thickness During Normal Approach Considering Shear-Thinning and Linear Piezoviscous Oils
Open the PDF for Transient Elastohydrodynamic Lubrication Film Thickness During Normal Approach Considering Shear-Thinning and Linear Piezoviscous Oils in another window
Topics: Film thickness, Lubricants, Oils, Petroleum, Pressure, Shear (Mechanics), Stress, Transients (Dynamics), Viscosity, Elastohydrodynamic lubrication
Journal Articles

New Central Film Thickness Equation for Shear Thinning Lubricants in Elastohydrodynamic Lubricated Rolling/Sliding Point Contact Conditions

Puneet Katyal, Punit Kumar
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research-Article
J. Tribol. October 2014, 136(4): 041504.
Paper No: TRIB-14-1029
https://doi.org/10.1115/1.4028044
Published Online: August 4, 2014
View Article titled, New Central Film Thickness Equation for Shear Thinning Lubricants in Elastohydrodynamic Lubricated Rolling/Sliding Point Contact Conditions
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Topics: Film thickness, Lubricants, Pressure, Shear (Mechanics), Viscosity, Stress, Fluids
Journal Articles

Elastohydrodynamic Lubrication Model With Limiting Shear Stress Behavior Considering Realistic Shear-Thinning and Piezo-Viscous Response

Punit Kumar, Parinam Anuradha
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research-Article
J. Tribol. April 2014, 136(2): 021503.
Paper No: TRIB-13-1111
https://doi.org/10.1115/1.4026111
Published Online: January 20, 2014
View Article titled, Elastohydrodynamic Lubrication Model With Limiting Shear Stress Behavior Considering Realistic Shear-Thinning and Piezo-Viscous Response
Open the PDF for Elastohydrodynamic Lubrication Model With Limiting Shear Stress Behavior Considering Realistic Shear-Thinning and Piezo-Viscous Response in another window
Topics: Pressure, Shear (Mechanics), Shear stress, Traction, Viscosity, Lubricants, Elastohydrodynamic lubrication
Journal Articles

Full EHL Simulations Using the Actual Ree–Eyring Model for Shear-Thinning Lubricants

Punit Kumar, M. M. Khonsari, Scott Bair
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 2009, 131(1): 011802.
https://doi.org/10.1115/1.3002328
Published Online: December 4, 2008
View Article titled, Full EHL Simulations Using the Actual Ree–Eyring Model for Shear-Thinning Lubricants
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Topics: Film thickness, Flow (Dynamics), Lubricants, Pressure, Shear (Mechanics), Simulation, Viscosity, Rheology, Fluids, Stress
Journal Articles

Traction in EHL Line Contacts Using Free-Volume Pressure-Viscosity Relationship With Thermal and Shear-Thinning Effects

Punit Kumar, M. M. Khonsari
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 2009, 131(1): 011503.
https://doi.org/10.1115/1.3002331
Published Online: December 4, 2008
View Article titled, Traction in EHL Line Contacts Using Free-Volume Pressure-Viscosity Relationship With Thermal and Shear-Thinning Effects
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Topics: Lubricants, Pressure, Shear (Mechanics), Temperature, Traction, Viscosity, Thermal conductivity
Journal Articles

EHL Circular Contact Film Thickness Correction Factor for Shear-Thinning Fluids

Punit Kumar, M. M. Khonsari
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2008, 130(4): 041506.
https://doi.org/10.1115/1.2959115
Published Online: August 7, 2008
View Article titled, EHL Circular Contact Film Thickness Correction Factor for Shear-Thinning Fluids
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Topics: Film thickness, Pressure, Shear (Mechanics), Fluids, Viscosity
Journal Articles

Combined Effects of Shear Thinning and Viscous Heating on EHL Characteristics of Rolling/Sliding Line Contacts

Punit Kumar, M. M. Khonsari
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2008, 130(4): 041505.
https://doi.org/10.1115/1.2959111
Published Online: August 6, 2008
View Article titled, Combined Effects of Shear Thinning and Viscous Heating on EHL Characteristics of Rolling/Sliding Line Contacts
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Topics: Film thickness, Fluids, Heating, Pressure, Shear (Mechanics), Stress, Temperature, Temperature effects, Viscosity, Lubricants
Journal Articles

Thermal EHL of Rough Rolling/Sliding Line Contacts Using a Mixture of Two Fluids at Dynamic Loads

Punit Kumar, Research Scholar, S. C. Jain, Professor, S. Ray, Professor
Journal: Journal of Tribology
Publisher: ASME
Article Type: Technical Papers
J. Tribol. October 2002, 124(4): 709–715.
https://doi.org/10.1115/1.1467087
Published Online: September 24, 2002
View Article titled, Thermal EHL of Rough Rolling/Sliding Line Contacts Using a Mixture of Two Fluids at Dynamic Loads
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Topics: Film thickness, Fluids, Friction, Lubricants, Pressure, Stress, Surface roughness, Temperature, Viscosity, Dynamic testing (Materials)