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10
Aug
2016
Technical Reports
High-Speed Rail Turnout Literature Review
Keywords: Turnout geometry and design criteria, switch rail optimization, track stiffness, components
Abstract: High-speed rail (HSR) turnout design criteria generally address unbalanced lateral acceleration or cant deficiency (CD), cant deficiency change rate (CDCR), and entry and exit...
Report Number
DOT/ORD/FRA-16/34
Office
RDI-21
9
Aug
2016
Technical Reports
Aerodynamic Forces on Freight Trains. Volume II. Full-Scale Aerodynamic Validation Tests of Trailer-on-a-Flat Car (Series II).
Keywords: Freight cars, Aerodynamic forces, Flat cars, Trailers, Containers, Aerodynamic drag, Aerodynamic loads, Wind tunnel models, Streamlining
Abstract: Aerodynamic forces were measured on full-scale Trailer-on-a-Flat Car (TOFC) configurations and a reliable data base was established for validation of wind tunnel test programs...
Report Number
FRA/ORD-76-295.II
Office
RDI-20
9
Aug
2016
Technical Reports
Rail Integrity Alert System (RIAS) Feature Discrimination
Keywords: Broken rail, locomotive, inductive coils, probability of detection, probability of false alarm, support vector machine, receiver operating characteristics
Abstract: This report describes GE Global Research’s research, in partnership with GE Transportation, into developing and deploying algorithms for a locomotive-based inductive sensing...
Report Number
DOT/ORD/FRA-16/33
Office
RDI-23
5
Aug
2016
Technical Reports
Linear Friction Welding for Constructing and Repairing Rail for High Speed and Intercity Passenger Service Rail.
Keywords: Rail, rail welding, rail joining, linear friction welding, heat affected zone, translational friction welding
Abstract: This project developed a solid-state welding process based on linear friction welding (LFW) technology. While resistance flash welding or thermite techniques are tried and true...
Report Number
DOT/ORD/FRA-16/32
Office
RDI-21
1
Aug
2016
Technical Reports
Locomotive Fuel Vapor Reclamation System Field Evaluation and Cost-Benefit Analysis
Keywords: Locomotive fuel tank, fuel vapor, fuel temperature, fuel-vapor to air ratio, diesel vapor condenser, installation, vapor reclamation, remote data monitoring, cost-benefit analysis
Abstract: This report summarizes the results of the work performed to install a diesel vapor reclamation unit (DVRU) on an SD70 MAC locomotive of BNSF Railways and its performance...
Report Number
DOT/ORD/FRA-16/31
Office
RDI-23