Railroads and the Environment : Estimation of Fuel Consumption in Rail Transportation : Volume 1. Analytical Model

Hopkins, John B.; John A. Volpe National Transportation Systems Center, (U.S.)

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Railroads and the Environment : Estimation of Fuel Consumption in Rail Transportation : Volume 1. Analytical Model

1975-05-01
By Hopkins, John B.

[PDF-2.17 MB]

English

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Details:

Creators:

Hopkins, John B.
Corporate Creators:

John A. Volpe National Transportation Systems Center, (U.S.)
Corporate Contributors:

United States. Federal Railroad Administration
Subject/TRT Terms:

[+]

Bearings Braking Braking Performance Commuter Service Computer Programs Diesel Engines Drag Energy Consumption Equations Fuel Consumption High Speed Rail Locomotive Operations Mathematical Models Passenger Transportation Railroad Transportation Rapid Transit Rolling Resistance Train Operations
Publication/ Report Number:

DOT-TSC-FRA-75-16-I ; FRA/ORD-75/74.I

DOT-TSC-FRA-75-16-I ; FRA/ORD-75/74.I Less -
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

United States. Federal Railroad Administration
NTL Classification:

AGR-INFRASTRUCTURE-Railroads;NTL-ENERGY AND ENVIRONMENT-Rail Energy and Environment;NTL-ENERGY AND ENVIRONMENT-ENERGY AND ENVIRONMENT;NTL-RAIL TRANSPORTATION-Rail Energy and Environment;NTL-RAIL TRANSPORTATION-RAIL TRANSPORTATION;
Abstract:

The report describes an analytical approach to estimation of fuel consumption in rail transportation, and provides sample computer calculations suggesting the sensitivity of fuel usage to various parameters. The model used is based upon careful delineation of the relevant physical machanisms of energy dissipation under steady-state conditions-rolling and aerodynamic resistance (using the Davis equations), braking, idling, and locomotive power generation and conversion losses. Both simple and more complex formulations are applied as appropriate. Several classes of service are considered: branch line freight, intercity freight, conventional and high-speed passenger, and commuter. Numerous graphs illustrate typical results for specific fuel consumption as a function of speed, grade, power/weight, load factor, weight per seat, etc.
Format:

PDF
Collection(s):

Volpe Center
Main Document Checksum:

[+]

urn:sha256:2d5c2f9a032af9fff1e2a72bab2d4f1426923716117402ae7c5aa1cb2781a426
Download URL:

https://rosap.ntl.bts.gov/view/dot/11870/dot_11870_DS1.pdf
File Type:

No Additional Files

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Railroads and the Environment : Estimation of Fuel Consumption in Rail Transportation : Volume 1. Analytical Model

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