Effect of Torsional Fastener Resistance on the Lateral Response of a Rail-Tie Structure

Kerr, Arnold D.; Princeton University

doi:10.21949/1526675

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Effect of Torsional Fastener Resistance on the Lateral Response of a Rail-Tie Structure

1978-09-01
By Kerr, Arnold D.

[PDF-789.62 KB]

English

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Details:

Creators:

Kerr, Arnold D.
Corporate Creators:

Princeton University
Corporate Contributors:

United States. Urban Mass Transportation Administration ; John A. Volpe National Transportation Systems Center (U.S.)

United States. Urban Mass Transportation Administration ; John A. Volpe National Transportation Systems Center (U.S.) Less -
Subject/TRT Terms:

[+]

Buses Diesel Engines Electric Power Transmission Energy Storage Systems Flywheels Fuel Consumption Hybrid Vehicles Propulsion Simulation Transmissions Urban Transportation
Publication/ Report Number:

FRA/ORD-78/35 ; DOT-TSC-FRA-77 ; 77-TR-8

FRA/ORD-78/35 ; DOT-TSC-FRA-77 ; 77-TR-8 Less -
DOI:

https://doi.org/10.21949/1526675
Resource Type:

Tech Report
Geographical Coverage:

United States
Edition:

Interim report
Corporate Publisher:

United States. Urban Mass Transportation Administration
Abstract:

This report describes the results of a Transportation Systems Center investigation conducted under Urban Mass Transportation Administration sponsorship, of the practicality of a flywheel/diesel hybrid power drive for urban transit bus propulsion. The program is based on the use of a systems approach to develop propulsion design concepts consistent with environmental, safety, operational, and economic objectives. A simulation model, developed in the program, was the major tool used in the investigation and is described in detail in the report. This model should be useful in further studies of flywheel/heat engine analyses for vehicle propulsion application over various drive cycles. The hybrid used continuously variable ratio transmissions (CVRT) and a control subsystem to optimize fuel consumption in an 'on-off' mode of engine operation. The system is projected to have a reduction in fuel consumption of at least 50% (in gallons per mile) below the diesel-alone fuel consumption for urban bus driving cycles having more than 4 stops per mile. Regenerative braking is used, contributing to fuel consumption improvement.
Format:

PDF
Funding:

DOT-TSC-1149
Collection(s):

Volpe Center
Main Document Checksum:

[+]

urn:sha256:5c2d57c07b6f078235502a6034caa33523e90c77e625d8a2fa5b8860ad783c6d
Download URL:

https://rosap.ntl.bts.gov/view/dot/10235/dot_10235_DS1.pdf
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Effect of Torsional Fastener Resistance on the Lateral Response of a Rail-Tie Structure

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