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Proceedings Papers

Friction-Slip Curves – The Pathway From Twin-Disc Tribo Measurements to Full-Scale Locomotive Multibody Simulations

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Esteban Bernal, Maksym Spiryagin, Sebastian Stichel, Nicola Bosso, Roger Lewis, Christopher Bosomworth, Qing Wu, Colin Cole
Proc. ASME. JRC2022, 2022 Joint Rail Conference, V001T07A005, April 20–21, 2022
Publisher: American Society of Mechanical Engineers
Paper No: JRC2022-84111
https://doi.org/10.1115/JRC2022-84111
View Paper titled, Friction-Slip Curves – The Pathway From Twin-Disc Tribo Measurements to Full-Scale Locomotive Multibody Simulations
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Topics: Disks, Friction, Locomotives, Machinery, Simulation, Traction
Proceedings Papers

Intermediate Distance Testing of Optical Top-of-Rail (TOR) Lubricity Sensors on a Remote-Controlled Rail Cart

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Timothy Mast, Yu Pan, Carvel Holton, Mehdi Ahmadian
Proc. ASME. JRC2021, 2021 Joint Rail Conference, V001T01A002, April 20–21, 2021
Publisher: American Society of Mechanical Engineers
Paper No: JRC2021-58347
https://doi.org/10.1115/JRC2021-58347
View Paper titled, Intermediate Distance Testing of Optical Top-of-Rail (TOR) Lubricity Sensors on a Remote-Controlled Rail Cart
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Topics: Friction, Lasers, Railroads, Rails, Sensors, Testing
Proceedings Papers

Performance Evaluation of a Novel Optical Sensing System for Detecting Rail Lubricity Conditions

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Yu Pan, Timothy Mast, Carvel Holton, Mehdi Ahmadian
Proc. ASME. JRC2021, 2021 Joint Rail Conference, V001T12A003, April 20–21, 2021
Publisher: American Society of Mechanical Engineers
Paper No: JRC2021-58435
https://doi.org/10.1115/JRC2021-58435
View Paper titled, Performance Evaluation of a Novel Optical Sensing System for Detecting Rail Lubricity Conditions
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Topics: Flanges, Friction, Performance evaluation, Rails
Proceedings Papers

Stabilization of Railroad Ballast Using Polyurethane Under Various Coal Fouling Conditions

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Dinesh Gundavaram, Syed Khaja Karimullah Hussaini
Proc. ASME. JRC2021, 2021 Joint Rail Conference, V001T01A003, April 20–21, 2021
Publisher: American Society of Mechanical Engineers
Paper No: JRC2021-58396
https://doi.org/10.1115/JRC2021-58396
View Paper titled, Stabilization of Railroad Ballast Using Polyurethane Under Various Coal Fouling Conditions
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Topics: Coal, Contamination, Friction, Railroads, Urethane elastomers
Proceedings Papers

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

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Yu Pan, Ahmad Radmehr, Ali Tajaddini, Mehdi Ahmadian
Proc. ASME. JRC2021, 2021 Joint Rail Conference, V001T10A003, April 20–21, 2021
Publisher: American Society of Mechanical Engineers
Paper No: JRC2021-58433
https://doi.org/10.1115/JRC2021-58433
View Paper titled, An Experimental Study of the Influence of the Amount of Top-Of-Rail Friction Modifiers on Traction
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Topics: Friction, Rails, Rollers, Traction, Wear, Wheels
Proceedings Papers

Effect of Coal Fouling on Railroad Ballast Under Direct Shear Loading Conditions

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Gundavaram Dinesh, Syed Khaja Karimullah Hussaini
Proc. ASME. JRC2020, 2020 Joint Rail Conference, V001T08A001, April 20–22, 2020
Publisher: American Society of Mechanical Engineers
Paper No: JRC2020-8010
https://doi.org/10.1115/JRC2020-8010
View Paper titled, Effect of Coal Fouling on Railroad Ballast Under Direct Shear Loading Conditions
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Topics: Coal, Contamination, Friction, Railroads, Shear (Mechanics), Shear strength
Proceedings Papers

Coefficients of Friction: Static Versus Dynamic

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Jack Youqin Huang
Proc. ASME. JRC2020, 2020 Joint Rail Conference, V001T03A001, April 20–22, 2020
Publisher: American Society of Mechanical Engineers
Paper No: JRC2020-8025
https://doi.org/10.1115/JRC2020-8025
View Paper titled, Coefficients of Friction: Static Versus Dynamic
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Topics: Braking, Friction, Wheels
Proceedings Papers

Characterize Rail Crack Pattern Through Image Analysis

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Ryan DeVine, Yu Qian, Yi Wang, Shaofeng Wang, Dimitris Rizos
Proc. ASME. JRC2020, 2020 Joint Rail Conference, V001T08A016, April 20–22, 2020
Publisher: American Society of Mechanical Engineers
Paper No: JRC2020-8121
https://doi.org/10.1115/JRC2020-8121
View Paper titled, Characterize Rail Crack Pattern Through Image Analysis
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Topics: Fracture (Materials), Rails, Crack detection, Filtration, Surface cracks, Aircraft, Edge detection, Fatigue, Friction, Fuel efficiency
Proceedings Papers

Considerations for Sensor Selection for Detecting Top-of-Rail (TOR) Lubrication

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Timothy Mast, Campbell Neighborgall, Masood Taheri, Carvel Holton, Mehdi Ahmadian
Proc. ASME. JRC2020, 2020 Joint Rail Conference, V001T13A001, April 20–22, 2020
Publisher: American Society of Mechanical Engineers
Paper No: JRC2020-8028
https://doi.org/10.1115/JRC2020-8028
View Paper titled, Considerations for Sensor Selection for Detecting Top-of-Rail (TOR) Lubrication
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Topics: Friction, Lasers, Lubrication, Railroads, Rails, Sensors
Proceedings Papers

Variable Control Setting to Enhance Rail Vehicle Braking Safety

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Sundar Shrestha, Maksym Spiryagin, Qing Wu
Proc. ASME. JRC2020, 2020 Joint Rail Conference, V001T09A001, April 20–22, 2020
Publisher: American Society of Mechanical Engineers
Paper No: JRC2020-8026
https://doi.org/10.1115/JRC2020-8026
View Paper titled, Variable Control Setting to Enhance Rail Vehicle Braking Safety
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Topics: Braking, Rail vehicles, Safety, Adhesion, Wheels, Control algorithms, Rails, Vehicles, Brakes, Control equipment
Proceedings Papers

Railroad Tie Lateral Resistance on Open-Deck Plate Girder Bridges

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John T. Gergel, Vishali M. Vasudevan, Matthew H. Hebdon
Proc. ASME. JRC2020, 2020 Joint Rail Conference, V001T08A004, April 20–22, 2020
Publisher: American Society of Mechanical Engineers
Paper No: JRC2020-8053
https://doi.org/10.1115/JRC2020-8053
View Paper titled, Railroad Tie Lateral Resistance on Open-Deck Plate Girder Bridges
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Topics: Bridges (Structures), Girders, Railroad ties, Fasteners, Railroads, Stress, Friction, Timber, Wood products, Trucks
Proceedings Papers

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

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Ahmad Radmehr, Arash Hosseinian Ahangarnejad, Ali Tajaddini, Mehdi Ahmadian
Proc. ASME. JRC2020, 2020 Joint Rail Conference, V001T13A004, April 20–22, 2020
Publisher: American Society of Mechanical Engineers
Paper No: JRC2020-8041
https://doi.org/10.1115/JRC2020-8041
View Paper titled, Surface Profile and Third-Body Layer Accumulation Measurement Using a 3D Laser Profiler
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Topics: Finishes, Lasers, Rails, Rollers, Surface roughness, Wheels, Traction, Wear, Stress, Dust
Proceedings Papers

Producing and Measuring the 3 rd Body Layer

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Harold Harrison
Proc. ASME. JRC2020, 2020 Joint Rail Conference, V001T13A010, April 20–22, 2020
Publisher: American Society of Mechanical Engineers
Paper No: JRC2020-8095
https://doi.org/10.1115/JRC2020-8095
View Paper titled, Producing and Measuring the 3 rd Body Layer
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Topics: Creep, Friction, Machining, Railroads, Rails, Testing, Tribometers, Vehicles, Wear, Wheels
Proceedings Papers

U.S. Freight Rail Fuel Efficiency: 1920-2015 Review and Discussion of Future Trends

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Michael E. Iden
Proc. ASME. JRC2019, 2019 Joint Rail Conference, V001T07A002, April 9–12, 2019
Publisher: American Society of Mechanical Engineers
Paper No: JRC2019-1296
https://doi.org/10.1115/JRC2019-1296
View Paper titled, U.S. Freight Rail Fuel Efficiency: 1920-2015 Review and Discussion of Future Trends
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Topics: Fuel efficiency, Rails, Railroads, Trucks, Diesel, Trains, Locomotives, Coal, Containers, Approximation
Proceedings Papers

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

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Ahmad Radmehr, Karan Kothari, Mehdi Ahmadian
Proc. ASME. JRC2019, 2019 Joint Rail Conference, V001T10A004, April 9–12, 2019
Publisher: American Society of Mechanical Engineers
Paper No: JRC2019-1292
https://doi.org/10.1115/JRC2019-1292
View Paper titled, Evaluating the Effect of Natural Third Body Layers on Friction Using the Virginia Tech Roller Rig
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Topics: Friction, Rollers, Wear, Wheels, Creep, Rails, Traction, Adhesion, Railroads, Stress
Proceedings Papers

High Speed Intercity and Urban Passenger Transport Maglev Train Technology Review: A Technical and Operational Assessment

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Fábio C. Barbosa
Proc. ASME. JRC2019, 2019 Joint Rail Conference, V001T08A002, April 9–12, 2019
Publisher: American Society of Mechanical Engineers
Paper No: JRC2019-1227
https://doi.org/10.1115/JRC2019-1227
View Paper titled, High Speed Intercity and Urban Passenger Transport Maglev Train Technology Review: A Technical and Operational Assessment
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Topics: Cities, Magnetic levitation, Trains, Rails, China, Levitation, Magnetic fields, Wear, Wheels, Braking
Proceedings Papers

Development of Laser/LED-Based Instrument for Optical Detection of Railroad Top-of-Rail (ToR) Friction Modifiers and Lubricity Conditions

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Campbell Neighborgall, Timothy Mast, Andrew Peterson, Mehdi Ahmadian, Carvel Holton
Proc. ASME. JRC2019, 2019 Joint Rail Conference, V001T01A016, April 9–12, 2019
Publisher: American Society of Mechanical Engineers
Paper No: JRC2019-1285
https://doi.org/10.1115/JRC2019-1285
View Paper titled, Development of Laser/LED-Based Instrument for Optical Detection of Railroad Top-of-Rail (ToR) Friction Modifiers and Lubricity Conditions
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Topics: Friction, Instrumentation, Lasers, Railroads, Rails, Sensors, Flanges, Fluorescence, Testing, Lubricants
Proceedings Papers

Determining the Remaining Prestress Force in a Prestressed Concrete Crosstie

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James D. Scott, Aaron A. Robertson, Robert J. Peterman, B. Terry Beck, Kyle A. Riding, John Wu
Proc. ASME. JRC2017, 2017 Joint Rail Conference, V001T01A011, April 4–7, 2017
Publisher: American Society of Mechanical Engineers
Paper No: JRC2017-2287
https://doi.org/10.1115/JRC2017-2287
View Paper titled, Determining the Remaining Prestress Force in a Prestressed Concrete Crosstie
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Topics: Prestressed concrete, Stress, Fracture (Materials), Concretes, Cracking (Materials), Fracture (Process), Railroad ties, Cycles, Displacement, Equilibrium (Physics)
Proceedings Papers

Rail Cleaning Process and its Influence on Locomotive Performance

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Maksym Spiryagin, Peter Wolfs, Qing Wu, Colin Cole, Sanath Alahakoon, Yan Quan Sun, Tim McSweeney, Valentyn Spiryagin
Proc. ASME. JRC2017, 2017 Joint Rail Conference, V001T10A003, April 4–7, 2017
Publisher: American Society of Mechanical Engineers
Paper No: JRC2017-2222
https://doi.org/10.1115/JRC2017-2222
View Paper titled, Rail Cleaning Process and its Influence on Locomotive Performance
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Topics: Locomotives, Rails, Wheels, Friction, Traction, Adhesion, Braking, Computer software, Contamination, Dynamics (Mechanics)
Proceedings Papers

Influence of Water Content on the Behavior of Partially Saturated Fouled Ballast

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Zhenning Yang, Carlton L. Ho, Richard Joy, Nandan C. Dabhade
Proc. ASME. JRC2016, 2016 Joint Rail Conference, V001T01A006, April 12–15, 2016
Publisher: American Society of Mechanical Engineers
Paper No: JRC2016-5724
https://doi.org/10.1115/JRC2016-5724
View Paper titled, Influence of Water Content on the Behavior of Partially Saturated Fouled Ballast
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Topics: Water, Coulombs, Shear strength, Cohesion, Elastic moduli, Friction, Concretes, Cycles, Deformation, Freezing