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1
Jan
1979
Technical Reports
A Survey of Railroad AC Electrification Systems Throughout the World
Subject
Evaluation
Keywords: Electrification, Wayside Power Systems
Abstract: This report describes the major features of various railroad electrification schemes for supplying the catenary from the source of power for ac operation. These features include:...
Report Number
DOT/TSC-1452-3
Office
RRD
1
Jan
1979
Technical Reports
Evaluation of Improved Track Structural Components Under Sub-Arctic Conditions
Subject
Evaluation,
Technology Transfer
Keywords: Adjustable Rail Fasteners, Concrete Ties, Stabilized Ballast, Sub-arctic Conditions
Abstract: One area of concern to railroads in the northern third of the United States is the effect of frost heave and subsidence on track geometry. The purpose of this study was to...
Report Number
FRA/ORD-79/01
Office
RRD
1
Jan
1979
Technical Reports
Aerodynamic Forces on Various Configurations of Railroad Cars and Carrying Trailers and Containers
Subject
Facilities & Test Equipment,
Freight Operations,
Evaluation
Keywords: Intermodal, TOFC, PIggyback Aerodynamics, Train Resistance, Wind Tunnel Testing
Abstract: Toward improving the energy efficiency of rail intermodal service, the aerodynamic characteristics of the rolling stock offer a significant opportunity for betterment. At speeds...
Report Number
FRA/ORD-79/39
Office
RRD
1
Jan
1979
Technical Reports
Track Structures Volume III: Study of Effects of Spiral Length on Simple Curve Negotiation
Subject
Evaluation
Keywords: Coupler Lateral Angle, L/V Ratio, Spiral Length, Superelevation, Buff Force, Mathematical Model
Abstract: Simple curve entries with/or without spiral for different curves are analyzed using the Quasi-Static Lateral Train Stability Model. The effect of spirals on maximum L/V ratios...
Report Number
R-355
Office
RRD
1
Jan
1979
Technical Reports
Track Structures Volume IV: Effects of Track Geometry (Irregularities) on Dynamic Behavior of a Railway Vehicle on Tangent Track
Subject
Evaluation
Keywords: Peak to Peak Roll Angle, Profile Alignment, Gage, Warp, Center Plate Load, Side Bearing Load, Acceleration
Abstract: The objective of this report is to evaluate the effects of various track irregularities on the dynamic behavior of railway vehicles moving over tangent track which meets the...
Report Number
R-377
Office
RRD