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Proceedings Papers

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

Timothy Mast, Yu Pan, Carvel Holton, Mehdi Ahmadian
Proc. ASME. JRC2021, 2021 Joint Rail Conference, V001T01A002, April 20–21, 2021
Paper No: JRC2021-58347
DOI: 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

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
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

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

Timothy Mast, Campbell Neighborgall, Masood Taheri, Carvel Holton, Mehdi Ahmadian
Proc. ASME. JRC2020, 2020 Joint Rail Conference, V001T13A001, April 20–22, 2020
Paper No: JRC2020-8028
DOI: 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

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

Campbell Neighborgall, Timothy Mast, Andrew Peterson, Mehdi Ahmadian, Carvel Holton
Proc. ASME. JRC2019, 2019 Joint Rail Conference, V001T01A016, April 9–12, 2019
Paper No: JRC2019-1285
DOI: 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

Design and Strength Evaluation of Laser-Welded Carbody for Railway Vehicles

Qi Luo, Chunyu Zhang, Ziwen Fang, Kefei Wang, Jianran Wang, Haifeng Hong, Hongxiao Wang, Steven Kirkpatrick
Proc. ASME. JRC2019, 2019 Joint Rail Conference, V001T08A001, April 9–12, 2019
Paper No: JRC2019-1222
DOI: https://doi.org/10.1115/JRC2019-1222
View Paper titled, Design and Strength Evaluation of Laser-Welded Carbody for Railway Vehicles
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Topics: Design, Lasers, Railway vehicles, Finite element analysis, Laser welding, Simulation, Stainless steel, Welding, Automobiles, Engineers
Proceedings Papers

Accuracy of High Resolution 3D Optical Scanning of Crosstie Geometry for Assessment of Cross-Sectional Parameters and Long-Term Abrasion and Wear

B. Terry Beck, Aaron A. Robertson, Robert J. Peterman, Kyle A. Riding, John Wu
Proc. ASME. JRC2017, 2017 Joint Rail Conference, V001T01A012, April 4–7, 2017
Paper No: JRC2017-2296
DOI: https://doi.org/10.1115/JRC2017-2296
View Paper titled, Accuracy of High Resolution 3D Optical Scanning of Crosstie Geometry for Assessment of Cross-Sectional Parameters and Long-Term Abrasion and Wear
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Topics: Abrasion, Geometry, Resolution (Optics), Wear, Electromagnetic scattering, Failure, Inertia (Mechanics), Lasers, Manufacturing, Prestressed concrete
Proceedings Papers

Metrolinx’s Toronto Electrification Project: Phase 1 — The Engineering Survey

Scott Paterson, Craig Sheriff, James Ferguson
Proc. ASME. JRC2017, 2017 Joint Rail Conference, V001T09A007, April 4–7, 2017
Paper No: JRC2017-2319
DOI: https://doi.org/10.1115/JRC2017-2319
View Paper titled, Metrolinx’s Toronto Electrification Project: Phase 1 — The Engineering Survey
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Topics: Bridges (Structures), Engineering design, Engineering design processes, Lasers, Railroads, Rails, Safety, Sensors, Surveying, Traffic
Proceedings Papers

Utilization of High Resolution 3D Optical Scanning of Crossties to Assess Cross-Sectional Parameters and the Effects of Long-Term Abrasion and Wear

B. Terry Beck, Aaron A. Robertson, Naga Narendra B. Bodapati, Robert J. Peterman, Chih-Hang John Wu, Kyle A. Riding
Proc. ASME. JRC2016, 2016 Joint Rail Conference, V001T01A015, April 12–15, 2016
Paper No: JRC2016-5753
DOI: https://doi.org/10.1115/JRC2016-5753
View Paper titled, Utilization of High Resolution 3D Optical Scanning of Crossties to Assess Cross-Sectional Parameters and the Effects of Long-Term Abrasion and Wear
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Topics: Abrasion, Resolution (Optics), Wear, Computer-aided design, Geometry, Prestressed concrete, Railroad ties, Three-dimensional computer-aided design, Wire, Concretes
Proceedings Papers

On the Application of Laser Technology for Top of the Rail Lubricity Detection

Abdullah Mohammed Hasan, Masood Taheri Andani, Mehdi Ahmadian
Proc. ASME. JRC2016, 2016 Joint Rail Conference, V001T02A009, April 12–15, 2016
Paper No: JRC2016-5820
DOI: https://doi.org/10.1115/JRC2016-5820
View Paper titled, On the Application of Laser Technology for Top of the Rail Lubricity Detection
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Topics: Lasers, Rails, Lubricants, Reflection, Sensors, Reflectance, Testing
Proceedings Papers

Standardization of High-Wide Load Measurement Using Laser-Based Technology

Alexander Reinsmith, Bryan W. Schlake
Proc. ASME. JRC2015, 2015 Joint Rail Conference, V001T06A006, March 23–26, 2015
Paper No: JRC2015-5682
DOI: https://doi.org/10.1115/JRC2015-5682
View Paper titled, Standardization of High-Wide Load Measurement Using Laser-Based Technology
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Topics: Lasers, Stress, Railroads, Pacific Ocean, Safety, Testing, Accuracy and precision, Measurement systems, Patents, Plates (structures)
Proceedings Papers

Conversion of Non-Contact LIDAR Velocity Measurements to Spatial Markings and Indication Signals for Commercial Train Systems

Thomas O’Connor, Masood Taheri Andani, Josh Muñoz, Mehdi Ahmadian
Proc. ASME. JRC2015, 2015 Joint Rail Conference, V001T02A003, March 23–26, 2015
Paper No: JRC2015-5625
DOI: https://doi.org/10.1115/JRC2015-5625
View Paper titled, Conversion of Non-Contact LIDAR Velocity Measurements to Spatial Markings and Indication Signals for Commercial Train Systems
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Topics: Signals, Trains, Velocity measurement, Engineering prototypes, Computer software, Geometry, Accelerometers, Circuits, Dynamics (Mechanics), Lasers
Proceedings Papers

High Speed Non-Contact Ultrasonic Guided Wave Inspections of Rails

Stefano Mariani, Thompson V. Nguyen, Francesco Lanza di Scalea, Mahmood Fateh
Proc. ASME. JRC2014, 2014 Joint Rail Conference, V001T01A008, April 2–4, 2014
Paper No: JRC2014-3745
DOI: https://doi.org/10.1115/JRC2014-3745
View Paper titled, High Speed Non-Contact Ultrasonic Guided Wave Inspections of Rails
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Topics: Inspection, Rails, Waves, Engineering prototypes, Algorithms, Flaw detection, Lasers, Signals, Simulation, Filtration
Proceedings Papers

Multifunction LIDAR Sensors for Non-Contact Speed Measurement in Rail Vehicles: Part I — System Installation and Implementation

Joshua Muñoz, Michael Craft, Mehdi Ahmadian, Shannon Wrobel
Proc. ASME. JRC2013, 2013 Joint Rail Conference, V001T02A009, April 15–18, 2013
Paper No: JRC2013-2512
DOI: https://doi.org/10.1115/JRC2013-2512
View Paper titled, Multifunction LIDAR Sensors for Non-Contact Speed Measurement in Rail Vehicles: Part I — System Installation and Implementation
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Topics: Rail vehicles, Sensors, Geometry, Measurement systems, Rails, Automobiles, Lasers, Noise (Sound), Railroads, Trains
Proceedings Papers

Full-Scale Crash Testing Facilities for a Railway Vehicle

Jin Sung Kim, Hyun Seung Jung, Tae Soo Kwon, Won Mok Choi, Seung Wan Son
Proc. ASME. JRC2012, 2012 Joint Rail Conference, 571-576, April 17–19, 2012
Paper No: JRC2012-74009
DOI: https://doi.org/10.1115/JRC2012-74009
View Paper titled, Full-Scale Crash Testing Facilities for a Railway Vehicle
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Topics: Railway vehicles, Test facilities, Impact testing, Data acquisition systems, Safety, Collisions (Physics), Composite materials, Crashworthiness, Displacement, Engines
Proceedings Papers

Laser-Based Measurement of Over Dimensional Freight Rail Shipments

Bryan W. Schlake, Brian S. Daniel, Ron Voorheis
Proc. ASME. JRC2012, 2012 Joint Rail Conference, 617-622, April 17–19, 2012
Paper No: JRC2012-74065
DOI: https://doi.org/10.1115/JRC2012-74065
View Paper titled, Laser-Based Measurement of Over Dimensional Freight Rail Shipments
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Topics: Hazards, Lasers, Railroads, Rails, Safety, Stress
Proceedings Papers

Measurement of Vertical Track Modulus: Field Testing, Repeatability, and Effects of Track Geometry

Magdy El-Sibaie, William GeMeiner, Dwight Clark, Leith Al-Nazer, Richard Arnold, Shane Farritor, Mahmood Fateh, Sheng Lu, Gary Carr
Proc. ASME. JRC2008, IEEE/ASME/ASCE 2008 Joint Rail Conference, 151-158, April 22–24, 2008
Paper No: JRC2008-63040
DOI: https://doi.org/10.1115/JRC2008-63040
View Paper titled, Measurement of Vertical Track Modulus: Field Testing, Repeatability, and Effects of Track Geometry
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Topics: Geometry, Testing, Deflection, Rails, Stress, Trains, Wheels, Dynamic testing (Materials), Errors, Experimental analysis
Proceedings Papers

Spray and Combustion Characteristics of Biodiesel Fuel in a Direct Injection Common-Rail Diesel Engine

Hyun Kyu Suh, Hyun Gu Rho, Chang Sik Lee
Proc. ASME. JRC-ICE2007, ASME/IEEE 2007 Joint Rail Conference and Internal Combustion Engine Division Spring Technical Conference, 487-496, March 13–16, 2007
Paper No: JRC/ICE2007-40082
DOI: https://doi.org/10.1115/JRC/ICE2007-40082
View Paper titled, Spray and Combustion Characteristics of Biodiesel Fuel in a Direct Injection Common-Rail Diesel Engine
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Topics: Biodiesel, Combustion, Common rail fuel injectors, Diesel engines, Fuels, Sprays, Diesel, Pressure, Cylinders, Drops
Proceedings Papers

Non-Contact Interrogation of Railroad Axles Using Laser-Based Ultrasonic Inspection

Kari Gonzales, Shant Kendarian, Dan Carter, Alex Smith, Richard Morgan
Proc. ASME. RTD2005, Joint Rail, 145-150, March 16–18, 2005
Paper No: RTD2005-70058
DOI: https://doi.org/10.1115/RTD2005-70058
View Paper titled, Non-Contact Interrogation of Railroad Axles Using Laser-Based Ultrasonic Inspection
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Topics: Inspection, Lasers, Railroads, Ultrasound