General

Summary of Accidents Investigated by the Federal Railroad Administration Calendar Year 1979

[From the Introduction] The 1979 Summary of Accidents Investigated by the Federal Railroad Administration (FRA) includes 173 railroad accidents. This report provides the following essential information: the railroad(s) involved, the location and time of the accident, the method of operation and...

Single Axle and Articulated-Supporting Truck Test Results Report

This report presents the results of a project designed to quantify the service performance characteristics of two types of trucks. The first truck treated is essentially a conventional three-piece freight car truck supporting the articulated connector of a multi-unit prototype intermodal railcar....

Review and Summary of Computer Programs for Railway Vehicle Dynamics

To assess the state of development of computer programs which apply to the dynamics of rail vehicles, reviews were prepared of programs in six different categories: lateral stability, curving dynamics, wheel/rail contact, freight vehicle dynamics, analog hybrid simulation, and train dynamics. In...

Resistance of a Freight Train to Forward Motion - Volume IV, Users' Manual for Freight Train Fuel Consumption Program

This document provides information concerning a computer program devised to predict fuel consumption of a freight train operated over a track with known characteristics. The information is of value to both the user who wants merely to utilize the capabilities of the program and the programmers who...

Freight Train Fuel Consumption: Economic Analysis and Correlation of Predictions with Field Data

This final report is a supplement to two earlier FRA reports on train resistance and its impact upon fuel consumption. The portion of this effort reported herein was partly directed toward detailed correlation of predictions of fuel consumption from simulated runs with actual field measurement. In...

Recommendations for Research and Development on Advanced Railroad Braking and Coupling Systems

This report presents a set of recommendations for a research and development program on advanced railroad braking and coupling systems. Programs are developed for the following four systems: 1) a brake condition monitor, 2) a hybrid electropneumatic brake operating valve, 3) a multi-purpose...

Railroad Yard Simulation Model: Description and Computer Program Users' Manual

This report is part of a larger study to identify potentially cost-effective advanced braking and coupling systems. The report describes a model for determining the cost savings in railroad yards that would result from the implementation of advanced braking and coupling systems. First, the...

Railroad Research Bulletin: Autumn 1981 - Volume 8, Number 2

This publication contains 1055 abstracts of journal articles and research reports and descriptions of computer programs and magnetic data tapes. It also has 428 summaries of ongoing research activities in the railroad field. The material, selected from current railroad literature and other...

Railroad Research Bulletin: Spring 1981 - Volume 8, Number 1

This publication contains 1,159 abstracts of journal articles and research reports and descriptions of computer programs and magnetic data tapes. It also has 403 summaries of ongoing research activities in the railroad field. The material, selected from current railroad literature and other...

Railroad Financial Evaluation Model: Description and Computer Program Users' Manual

This report is part of a larger study to identify potentially cost-effective advanced braking and coupling systems and to prepare a plan for conducting the research and development needed to bring about implementation of these systems. This report describes a model for determining the economic...

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General