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1
Jul
1978
Technical Reports
Correlation of Statistical Representations of Track Geometry with Physical Appearance
Subject
Track
Keywords: Track Geometry, Track Irregularities, Track Maintenance Practices
Abstract: Railway track has previously been represented as a random process with certain parameters that relate to the quality of the track. This report helps to make these parameters more...
Report Number
FRA/ORD-79/35
Office
RRD
1
Jul
1978
Technical Reports
Railroads and the Environment: Estimation of Fuel Consumption in Rail Transportation- Volume III: Comparison of Computer Simulations with Field Measurements
Subject
Evaluation
Keywords: Fuel Consumption, Energy Usage, Train Performance Simulation, Computer Simulation
Abstract: This report documents comparisons between extensive rail freight service measurements (previously presented in Volume II) and simulations of the same operations using a...
Report Number
FRA-OR&D-75-74.III
Office
RRD
1
Jul
1978
Technical Reports
Engineering Data on Selected High Speed Passenger Trucks
Subject
Passenger Rail
Keywords: Sprung Mass, Unsprung Mass, Stiffness, Damping, Passenger Car
Abstract: The purpose of this Project is to compile a list of high speed truck engineering parameters for characterization in dynamic performance modeling activities. Data tabulations...
Report Number
FRA/ORD-78/29
Office
RRD
1
Jul
1978
Technical Reports
VSS Demonstration Program Part 1: System Performance Evaluation
Subject
Evaluation
Keywords: Vertical Shaker System, Trailer-on-Flatcar, TOFC, Wheel/Rail Interface, Vertical Input, Cross Level Input, Discrete Frequency Dwell and Decay, Cross-Coupling
Abstract: The Vertical Shaker System (VSS) is the initial test program to be conducted at the Rail Dynamics Laboratory. The Objectives of this program are to demonstrate the performance and...
Report Number
FRA/ORD-78/43
Office
RRD
1
Jun
1978
Technical Reports
Brake System Design Optimization- Volume I: A Survey and Assessment
Subject
Braking Systems
Keywords: Rail Freight Braking Systems, Rail Freight Equipment Technology
Abstract: Existing freight car braking systems, components, and subsystems are characterized both physically and functionally, and life-cycle costs are examined. Potential improvements to...
Report Number
FRA/ORD- 78/20, I
Office
RRD