Lean Mixture Engines Testing and Evaluation Program : Volume 3. Appendices.

Dowdy, Mack W.; Hoehn, Frank W.; Vanderbrug, Tom G.; Jet Propulsion Laboratory (U.S.)

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Lean Mixture Engines Testing and Evaluation Program : Volume 3. Appendices.

1975-01-01
By Dowdy, Mack W. ; Hoehn, Frank W. ; Vanderbrug, Tom G.

[PDF-3.14 MB]

English

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Creators:

Dowdy, Mack W. ; Hoehn, Frank W. ; Vanderbrug, Tom G.

Dowdy, Mack W. ; Hoehn, Frank W. ; Vanderbrug, Tom G. Less -
Corporate Creators:

Jet Propulsion Laboratory (U.S.)
Corporate Contributors:

John A. Volpe National Transportation Systems Center (U.S.)
Subject/TRT Terms:

[+]

Air Pollution Carbon Dioxide Carbon Monoxide Chassis Chemical Analysis Combustion Chambers Combustors Configuration Dynamometers Extraction (Chemistry) Fuel Consumption Gases Laboratory Equipment Nitric Oxide Nitrogen Oxides Testing Testing Equipment Traffic Equivalence Factor Vehicle Power Plants
Publication/ Report Number:

DOT-TSC-OST-75-26.III ; JP 85040-12-Vol-3

DOT-TSC-OST-75-26.III ; JP 85040-12-Vol-3 Less -
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

United States. Dept. of Transportation. Office of the Secretary
Abstract:

This report is aimed at defining analytically and demonstrating experimentally the potential of the 'lean-burn concept.' Fuel consumption and emissions data are obtained on the engine dynamometer for the baseline engine, and two lean-burn configurations of the same engine and data comparisons are made. Individual cylinder equivalence ratios are measured to evaluate the cylinder-to-cylinder distribution. Pressure-time traces from individual cylinders are used to get information about ignition delay, combustion duration and cycle-to-cycle pressure variations. Fuel consumption and emissions data for one lean-burn configuration are obtained over the Federal Driving Cycle using a chassis dynamometer and the results are compared with the stock baseline results. Using experimental results and information from the existing literature, the potential of the 'lean-burn concept' is assessed using the Blumberg-Kummer cycle analysis program. The appendices presents supplemental analysis methods, fuel economy and emissions test data, and a description of the instrumentation used in the testing and evaluation program.
Format:

PDF
Collection(s):

Volpe Center
Main Document Checksum:

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urn:sha256:1fde2b9e5615da6e628ce35c842869e309fc248230cf93f38925be105a92e3c4
Download URL:

https://rosap.ntl.bts.gov/view/dot/10656/dot_10656_DS1.pdf
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Lean Mixture Engines Testing and Evaluation Program : Volume 3. Appendices.

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