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15
Sep
2023
Technical Reports
Vehicle Dynamics Models for Derailment Incident Investigation
Subject
Rolling Stock
Keywords: Derailment, freight car dynamics, vehicle dynamics, VAMPIRE simulations, vehicle track interaction, wheel rail interaction
Abstract: When investigating a train derailment, vehicle/track interaction (VTI) using vehicle dynamics simulations of the key vehicles in the derailed train can help identify specific...
Report Number
DOT/FRA/ORD-23/27
Office
RDI-22
5
Sep
2023
Technical Reports
Torsional Strength and Stiffness of a Passenger Car Coupling System
Subject
Rolling Stock
Keywords: Full Scale Testing, H couplers, Coupler Torsion, Torsional Transmission
Abstract: Between September 2019 and June 2022, the Federal Railroad Administration (FRA) sponsored a research team from Sharma & Associates to model and test the torsional strength...
Report Number
DOT/FRA/ORD-23/24
Office
RDI-22
21
Aug
2023
Technical Reports
Locomotive Crash Energy Management Train-to-Train Collision Test
Subject
Rolling Stock
Keywords: Impact test, crash energy management, CEM, occupant protection systems, transportation safety, passenger car safety
Abstract: The Federal Railroad Administration (FRA) sponsored MxV Rail to conduct a collision test using both a moving and a stationary three-car consist. The moving consist included an...
Report Number
DOT/FRA/ORD-23/22
Office
RDI-22
13
Apr
2023
Technical Reports
Improved Collision Protection for Train Passengers Seated in Wheelchairs: Evaluation of Active and Passive Strategies
Subject
Hazardous Materials,
Rolling Stock
Keywords: wheeled mobility device, wheelchair, compartmentalization, securement, WhMD, occupant protection, passenger railcar, railcar
Abstract: The project evaluates wheeled mobility device (WhMD) securement and occupant restraint on passenger trains. Researchers tested three off-the-shelf wheelchair securement systems...
Report Number
DOT/FRA/ORD-23/12
Office
RPD-22
10
Apr
2023
Technical Reports
Intelligent Wireless Power Transfer (IWPT) for Safe Electric Power Charging of Rolling Stock
Subject
Hazardous Materials,
Rolling Stock
Keywords: Rail safety, wireless power transfer, arc fault detection, battery fire safety, rolling stock, Intelligent Wireless Power Transfer, IWPT
Abstract: To improve the safety of the electric power charging system for rolling stock, including both propulsion and ancillary use of stored electric power, this project proposes the...
Report Number
DOT/FRA/ORD-23/09
Office
RPD-22