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Proceedings Papers

Non-Contact Ultrasonic Guided Wave Inspection of Rails: Next Generation Approach

Stefano Mariani, Thompson V. Nguyen, Xuan Zhu, Simone Sternini, Francesco Lanza di Scalea, Mahmood Fateh, Robert Wilson
Proc. ASME. JRC2016, 2016 Joint Rail Conference, V001T06A011, April 12–15, 2016
Paper No: JRC2016-5771
DOI: https://doi.org/10.1115/JRC2016-5771
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Topics: Guided wave ultrasonic testing, Rails, Engineering prototypes, Algorithms, Signals, Simulation, Filtration, Flaw detection, Impedance (Electricity), Industrial research
Proceedings Papers

Thermal Stress Measurement in Continuous Welded Rails Using the Hole-Drilling Method

Xuan Zhu, Francesco Lanza di Scalea, Mahmood Fateh
Proc. ASME. JRC2016, 2016 Joint Rail Conference, V001T06A002, April 12–15, 2016
Paper No: JRC2016-5719
DOI: https://doi.org/10.1115/JRC2016-5719
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Topics: Drilling, Rails, Thermal stresses, Stress, Railroads, Relaxation (Physics), Calibration, Residual stresses, Accidents, Buckling
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
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Topics: Inspection, Rails, Waves, Engineering prototypes, Algorithms, Flaw detection, Lasers, Signals, Simulation, Filtration
Proceedings Papers

Field Testing of Prototype Systems for the Non-Destructive Measurement of the Neutral Temperature of Railroad Tracks

Robert Phillips, Francesco Lanza di Scalea, Claudio Nucera, Mahmood Fateh, John Choros
Proc. ASME. JRC2014, 2014 Joint Rail Conference, V001T01A005, April 2–4, 2014
Paper No: JRC2014-3735
DOI: https://doi.org/10.1115/JRC2014-3735
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Topics: Engineering prototypes, Railroads, Temperature, Testing, Rails, Industrial research, Buckling, Construction, Data acquisition, Economics
Proceedings Papers

A Wayside System for In-Situ Measurement of Rail Neutral Temperature by Nonlinear Ultrasonic Guided Waves

Claudio Nucera, Robert Phillips, Francesco Lanza di Scalea, Mahmood Fateh, Gary Carr
Proc. ASME. RTDF2012, ASME 2012 Rail Transportation Division Fall Technical Conference, 11-15, October 16–18, 2012
Paper No: RTDF2012-9407
DOI: https://doi.org/10.1115/RTDF2012-9407
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Topics: Guided wave ultrasonic testing, Rails, Temperature, Railroads, Thermal stresses, Temperature measurement, Collaboration, Computer simulation, Engineering prototypes, Industrial research
Proceedings Papers

Energy Harvesting From Vertical Deflection of Railroad Track Using a Hydraulic System for Improving Railroad Track Safety

Carl A. Nelson, Abolfazl Pourghodrat, Mahmood Fateh
Proc. ASME. IMECE2011, Volume 3: Design and Manufacturing, 259-266, November 11–17, 2011
Paper No: IMECE2011-63906
DOI: https://doi.org/10.1115/IMECE2011-63906
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Topics: Deflection, Energy harvesting, Hydraulic drive systems, Railroads, Safety, Rotation, Collisions (Physics), Flow (Dynamics), Fluids, Generators
Proceedings Papers

Case Studies Determining the Effects of Track Stiffness on Vehicle Dynamics

Sheng Lu, Haoliang Duan, Curt Greisen, Shane Farritor, Richard Arnold, Cory Hogan, Matthew Dick, Mahmood Fateh, Gary Carr
Proc. ASME. JRC2010, 2010 Joint Rail Conference, Volume 2, 145-154, April 27–29, 2010
Paper No: JRC2010-36124
DOI: https://doi.org/10.1115/JRC2010-36124
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Topics: Stiffness, Vehicle dynamics, Vehicles, Simulation, Wheels, Geometry, Rails, Stress, Automobiles, Computer software
Proceedings Papers

Estimation of Rail Bending Stress From Real-Time Vertical Track Deflection Measurement

Curt Greisen, Sheng Lu, Haoliang Duan, Shane Farritor, Richard Arnold, Bill GeMeiner, Dwight Clark, Tom Toth, Kevin Hicks, Ted Sussmann, Mahmood Fateh, Gary Carr
Proc. ASME. JRC2009, 2009 Joint Rail Conference, 175-182, March 4–5, 2009
Paper No: JRC2009-63050
DOI: https://doi.org/10.1115/JRC2009-63050
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Topics: Bending (Stress), Deflection, Rails, Stress, Wheels, Shapes, Strain gages, Euler-Bernoulli beam theory, Flanges, Gages
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
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Topics: Geometry, Testing, Deflection, Rails, Stress, Trains, Wheels, Dynamic testing (Materials), Errors, Experimental analysis