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30
Dec
1975
Technical Reports
An Analytical and Experimental Determination of Nonlinear Wheel/Rail Geometric Constraints
Subject
Track/Train Interactions
Keywords: Wheel/Rail kinematics, Wheel/rail geometry, wheelset
Abstract: Wheel/rail geometric constraint relationships, such as the effective conicity and gravitational stiffness, strongly influence the lateral dynamics of railway vehicles. In general...
Report Number
FRA-OR&D 76-244
Office
RRD
1
Dec
1975
Technical Reports
Lightning and Its Effects on Railroad Signal Circuits
Subject
Technology Transfer
Keywords: Lightning, Railroad Circuits, Lightning Damage, Surge Protection
Abstract: This study discusses the occurrence of lightning, its effects on railroad signal equipment, and protection of such equipment from lightning damage, with special attention to known...
Report Number
FRA-OR&D-76-129
Office
RRD
1
Dec
1975
Technical Reports
Freight Car Truck Design Optimization - Survey and Appraisal of Type II Trucks
Subject
Freight Operations
Keywords: Elastomer, Parallelograming, Air Spring, Car Body Supports, Ride Quality, Cost, Unstable Hunting
Abstract: This report serves as an introduction to the family of truck designs known as Type II that will be studied in connection with the Federal Railroad Administration's Truck Design...
Report Number
FRA-OR&D-76-05
Office
RRD
1
Dec
1975
Technical Reports
Frequency Domain Computer Programs for Prediction and Analysis of Rail Vehicle Dynamics - Volume I: Technical Report
Subject
Evaluation
Keywords: Computer Modeling Frequency, Domain Computer Programs, Lateral Dynamic Stability
Abstract: Frequency domain computer programs developed or acquired by TSC for the analysis of rail vehicle dynamics are described in two volumes. Volume I defines the general analytical...
Report Number
FRA-OR&D-76-135.1
Office
RRD
1
Dec
1975
Technical Reports
Frequency Domain Computer Programs for Prediction and Analysis of Rail Vehicle Dynamics - Volume II: Appendixes
Subject
Evaluation
Keywords: Computer Modeling Frequency, Domain Computer Programs, Lateral Dynamic Stability
Abstract: Frequency domain computer programs developed or acquired by TSC for the analysis of rail vehicle dynamics are described in two volumes. Volume I defines the general analytical...
Report Number
FRA-OR&S-76-135.II
Office
RRD