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Proceedings Papers

Wheel-Rail Contact Force and Traction Analysis Under Wet and Oil-Contaminated Conditions

Ahmad Radmehr, Yu Pan, Ali Tajaddini, Edwin Vollebregt, Mehdi Ahmadian

Proc. ASME. JRC2022, 2022 Joint Rail Conference, V001T07A002, April 20–21, 2022

Paper No: JRC2022-78233

DOI: https://doi.org/10.1115/JRC2022-78233

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Topics: Rails, Rollers, Traction, Water, Wheels

Proceedings Papers

An Experimental Study of the Influence of the Amount of Top-Of-Rail Friction Modifiers on Traction

Yu Pan, Ahmad Radmehr, Ali Tajaddini, Mehdi Ahmadian

Proc. ASME. JRC2021, 2021 Joint Rail Conference, V001T10A003, April 20–21, 2021

Paper No: JRC2021-58433

DOI: https://doi.org/10.1115/JRC2021-58433

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Topics: Friction, Rails, Rollers, Traction, Wear, Wheels

Proceedings Papers

Investigating the Influence of Angle of Attack (Yaw) on Wheel-Rail Interface (WRI) Dynamics

Ahmad Radmehr, Arash Hosseinian Ahangarnejad, Ali Tajaddini, Mehdi Ahmadian

Proc. ASME. JRC2020, 2020 Joint Rail Conference, V001T13A003, April 20–22, 2020

Paper No: JRC2020-8040

DOI: https://doi.org/10.1115/JRC2020-8040

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Topics: Dynamics (Mechanics), Rails, Rollers, Wheels, Yaw

Proceedings Papers

Surface Profile and Third-Body Layer Accumulation Measurement Using a 3D Laser Profiler

Ahmad Radmehr, Arash Hosseinian Ahangarnejad, Ali Tajaddini, Mehdi Ahmadian

Proc. ASME. JRC2020, 2020 Joint Rail Conference, V001T13A004, April 20–22, 2020

Paper No: JRC2020-8041

DOI: https://doi.org/10.1115/JRC2020-8041

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Topics: Finishes, Lasers, Rails, Rollers, Surface roughness, Wheels, Traction, Wear, Stress, Dust

Proceedings Papers

Wheel-Rail Contact Patch Geometry Measurement and Shape Analysis Under Various Loading Conditions

Ahmad Radmehr, Arash Hosseinian Ahangarnejad, Yu Pan, SayedMohammad Hosseini, Ali Tajaddini, Mehdi Ahmadian

Proc. ASME. JRC2020, 2020 Joint Rail Conference, V001T13A005, April 20–22, 2020

Paper No: JRC2020-8042

DOI: https://doi.org/10.1115/JRC2020-8042

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Topics: Geometry, Pressure, Rails, Rollers, Shapes, Wheels

Proceedings Papers

Virginia Tech-Federal Railroad Administration Roller Rig Measurement Capabilities and Baseline Measurements

Ahmad Radmehr, Ali Tajaddini, Brian Marquis, Mehdi Ahmadian

Proc. ASME. JRC2019, 2019 Joint Rail Conference, V001T10A005, April 9–12, 2019

Paper No: JRC2019-1295

DOI: https://doi.org/10.1115/JRC2019-1295

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Topics: Railroads, Rollers, Rails, Wheels, Contact mechanics, Dynamics (Mechanics), Experimental design, Testing

Proceedings Papers

Evaluating the Effect of Natural Third Body Layers on Friction Using the Virginia Tech Roller Rig

Ahmad Radmehr, Karan Kothari, Mehdi Ahmadian

Proc. ASME. JRC2019, 2019 Joint Rail Conference, V001T10A004, April 9–12, 2019

Paper No: JRC2019-1292

DOI: https://doi.org/10.1115/JRC2019-1292

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Topics: Friction, Rollers, Wear, Wheels, Creep, Rails, Traction, Adhesion, Railroads, Stress

Proceedings Papers

Vibration-Based Defect Detection for Freight Railcar Tapered-Roller Bearings

Joseph Montalvo, Constantine Tarawneh, Arturo A. Fuentes

Proc. ASME. JRC2018, 2018 Joint Rail Conference, V001T06A011, April 18–20, 2018

Paper No: JRC2018-6210

DOI: https://doi.org/10.1115/JRC2018-6210

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Topics: Bearings, Flaw detection, Rollers, Vibration, Temperature, Sensors, Railroads, Condition monitoring, Risk, Testing

Proceedings Papers

Bearing Grease Degradation Related to Water and Roller Bluing

Dustin Clasby, Monique Stewart

Proc. ASME. JRC2018, 2018 Joint Rail Conference, V001T06A003, April 18–20, 2018

Paper No: JRC2018-6136

DOI: https://doi.org/10.1115/JRC2018-6136

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Topics: Bearings, Rollers, Water, Lubrication, Wear, Heat, Steel, Testing, ASTM International, Bearing steel

Proceedings Papers

Effect of Prestressing Wire Indentation Type on the Bond Performance and Flexural Capacity of Pretensioned Concrete Crossties Subjected to Cyclic Loading

Amir Farid Momeni, Robert J. Peterman, B. Terry Beck, Chih-Hang John Wu, Naga Narendra B. Bodapati

Proc. ASME. JRC2016, 2016 Joint Rail Conference, V001T01A016, April 12–15, 2016

Paper No: JRC2016-5761

DOI: https://doi.org/10.1115/JRC2016-5761

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Topics: Concretes, Wire, Stress, Prisms (Optics), Cycles, Bearings, Deflection, Fracture (Materials), Cements (Adhesives), Compressive strength

Proceedings Papers

Vibration Analysis of a Coupled Multibody Dynamic Model of a Contact Mechanics Roller Rig

Sajjad Z. Meymand, Mehdi Taheri, Milad Hosseinipour, Mehdi Ahmadian

Proc. ASME. JRC2016, 2016 Joint Rail Conference, V001T10A005, April 12–15, 2016

Paper No: JRC2016-5813

DOI: https://doi.org/10.1115/JRC2016-5813

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Topics: Contact mechanics, Dynamic models, Rollers, Vibration analysis, Wheels, Dynamics (Mechanics), Rails, Force measurement, Vibration, Computer software

Proceedings Papers

Vibration Analysis for Improving Powertrain Design and Contact Measurements of a Roller Rig

Milad Hosseinipour, Sajjad Z. Meymand, Mehdi Ahmadian

Proc. ASME. JRC2015, 2015 Joint Rail Conference, V001T10A002, March 23–26, 2015

Paper No: JRC2015-5622

DOI: https://doi.org/10.1115/JRC2015-5622

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Topics: Design, Rollers, Vibration analysis, Wheels, Rails, Disks, Dynamics (Mechanics), Rotation, Vibration, Actuators

Proceedings Papers

The Development of a Roller Rig for Experimental Evaluation of Contact Mechanics for Railway Vehicles

Sajjad Z. Meymand, Milad Hosseinipour, Mehdi Ahmadian

Proc. ASME. JRC2015, 2015 Joint Rail Conference, V001T10A007, March 23–26, 2015

Paper No: JRC2015-5721

DOI: https://doi.org/10.1115/JRC2015-5721

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Topics: Contact mechanics, Railway vehicles, Rollers, Railroads, Testing, Design, Wheels, Dynamics (Mechanics), Actuators, Data acquisition systems

Proceedings Papers

Modeling of a Roller Rig for Evaluation of Wheel/Rail Contact Mechanics

Milad Hosseinipour, Sajjad Z. Meymand, Michael J. Craft, Mehdi Ahmadian

Proc. ASME. JRC2014, 2014 Joint Rail Conference, V001T02A013, April 2–4, 2014

Paper No: JRC2014-3842

DOI: https://doi.org/10.1115/JRC2014-3842

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Topics: Contact mechanics, Modeling, Rails, Rollers, Wheels, Dynamics (Mechanics), Motors, Creep, Construction, Damping

Proceedings Papers

RTCONTACT: An Efficient Wheel-Rail Contact Algorithm for Real-Time Dynamic Simulations

N. Bosso, A. Gugliotta, N. Zampieri

Proc. ASME. JRC2012, 2012 Joint Rail Conference, 195-204, April 17–19, 2012

Paper No: JRC2012-74044

DOI: https://doi.org/10.1115/JRC2012-74044

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Topics: Algorithms, Engineering simulation, Rails, Simulation, Wheels, Contact mechanics, Control systems, Dynamics (Mechanics), Railroads, Rollers

Proceedings Papers

Contact Patch Comparison Between a Roller Rig and Tangent Track for a Single Wheelset

Mehdi Taheri, Mehdi Ahmadian

Proc. ASME. JRC2012, 2012 Joint Rail Conference, 283-289, April 17–19, 2012

Paper No: JRC2012-74148

DOI: https://doi.org/10.1115/JRC2012-74148

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Topics: Rollers, Wheelsets, Dynamics (Mechanics), Simulation, Computer software, Degrees of freedom, Matlab, Rails, Wheels

Proceedings Papers

Deformation Behavior of Welded Steel Sandwich Panels Under Quasi-Static Loading

Michael E. Carolan, David Y. Jeong, A. Benjamin Perlman, Yim H. Tang, Francisco Gonza´lez, III

Proc. ASME. JRC2011, 2011 Joint Rail Conference, 229-239, March 16–18, 2011

Paper No: JRC2011-56054

DOI: https://doi.org/10.1115/JRC2011-56054

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Topics: Deformation, Steel, Compression, Finite element analysis, Diamonds, Pipes, Rollers, Plates (structures), Railway tank cars, Sandwich structures

Proceedings Papers

A Collaborative On-Track Field Test Conducted to Verify the Laboratory Findings on Bearing Temperature Trending

Constantine M. Tarawneh, Javier A. Kypuros, Brent M. Wilson, Todd W. Snyder, Bertha A. Gonzalez, Arturo A. Fuentes

Proc. ASME. JRC2009, 2009 Joint Rail Conference, 205-217, March 4–5, 2009

Paper No: JRC2009-63056

DOI: https://doi.org/10.1115/JRC2009-63056

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Topics: Bearings, Temperature, Wheels, Accelerometers, Coal, Rails, Vibration, Automobiles, Locomotives, Pacific Ocean

Proceedings Papers

A Metallurgical and Experimental Investigation Into Sources of Warm Bearing Trending

Kevin D. Cole, Martin Reed, Constantine M. Tarawneh, Brent M. Wilson

Proc. ASME. JRC2008, IEEE/ASME/ASCE 2008 Joint Rail Conference, 99-107, April 22–24, 2008

Paper No: JRC2008-63028

DOI: https://doi.org/10.1115/JRC2008-63028

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Topics: Bearings, Rollers, Temperature, Sensors, Heat, Heating, Manufacturing, Microhardness, Railroads, Tapered roller bearings

Proceedings Papers

Introduction of a Wheel-Rail and Wheel-Roller Contact Model for Independent Wheels in a Multibody Code

N. Bosso, A. Gugliotta, A. Soma`

Proc. ASME. RTD2002, Joint Rail, 151-159, April 23–25, 2002

Paper No: RTD2002-1648

DOI: https://doi.org/10.1115/RTD2002-1648

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Topics: Rails, Rollers, Wheels, Friction, Engineering simulation, Simulation, Railway vehicles, Stress, Algorithms, Shapes

NARROW

Wheel-Rail Contact Force and Traction Analysis Under Wet and Oil-Contaminated Conditions

An Experimental Study of the Influence of the Amount of Top-Of-Rail Friction Modifiers on Traction

Investigating the Influence of Angle of Attack (Yaw) on Wheel-Rail Interface (WRI) Dynamics

Surface Profile and Third-Body Layer Accumulation Measurement Using a 3D Laser Profiler

Wheel-Rail Contact Patch Geometry Measurement and Shape Analysis Under Various Loading Conditions

Virginia Tech-Federal Railroad Administration Roller Rig Measurement Capabilities and Baseline Measurements

Evaluating the Effect of Natural Third Body Layers on Friction Using the Virginia Tech Roller Rig

Vibration-Based Defect Detection for Freight Railcar Tapered-Roller Bearings

Bearing Grease Degradation Related to Water and Roller Bluing

Effect of Prestressing Wire Indentation Type on the Bond Performance and Flexural Capacity of Pretensioned Concrete Crossties Subjected to Cyclic Loading

Vibration Analysis of a Coupled Multibody Dynamic Model of a Contact Mechanics Roller Rig

Vibration Analysis for Improving Powertrain Design and Contact Measurements of a Roller Rig

The Development of a Roller Rig for Experimental Evaluation of Contact Mechanics for Railway Vehicles

Modeling of a Roller Rig for Evaluation of Wheel/Rail Contact Mechanics

RTCONTACT: An Efficient Wheel-Rail Contact Algorithm for Real-Time Dynamic Simulations

Contact Patch Comparison Between a Roller Rig and Tangent Track for a Single Wheelset

Deformation Behavior of Welded Steel Sandwich Panels Under Quasi-Static Loading

A Collaborative On-Track Field Test Conducted to Verify the Laboratory Findings on Bearing Temperature Trending

A Metallurgical and Experimental Investigation Into Sources of Warm Bearing Trending

Introduction of a Wheel-Rail and Wheel-Roller Contact Model for Independent Wheels in a Multibody Code

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