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TECHNICAL PAPERS: Internal Combustion Engines

Exhaust Emission Deterioration and Combustion Chamber Deposit Composition Over the Life Cycle of Small Utility Engines

[+] Author and Article Information
D. Caceres, J. R. Reisel

Mechanical Engineering Department, University of Wisconsin-Milwaukee, Milwaukee, WI 53201-0784

A. Sklyarov

Advanced Analysis Facility, University of Wisconsin-Milwaukee, 3209 N. Maryland Avenue, Milwaukee, WI 53211

A. Poehlman

Briggs and Stratton Corporation, Milwaukee, WI 53201-0702

J. Eng. Gas Turbines Power 125(1), 358-364 (Dec 27, 2002) (7 pages) doi:10.1115/1.1496773 History: Received August 23, 2000; Revised January 28, 2002; Online December 27, 2002
Copyright © 2003 by ASME
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References

Figures

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Normalized measurements of CO emissions from the in-laboratory Model 11 (overhead-valve) engines
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Average percentages of various hydrocarbon species in the exhaust of the Model 11 and Model 12 engines at 200 hours, as measured by FTIR
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Normalized power at the emissions test points during the life cycle of the in-laboratory engines
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Typical dual-gas TGA/DTA of a Model 11 engine CCD under argon and air
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SEM micrograph of Zone 2 of a CCD
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SEM micrograph of Zone 1 of a CCD
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Normalized measurements of HC+NOx emissions from the in-laboratory Model 11 (overhead-valve) engines
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Average fraction of the HC and NOx in the total HC+NOx emissions measurements for the laboratory-test Model 11 and Model 12 engines
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Averaged normalized HC+NOx emissions measurements for both the laboratory-test and field-test Model 11 engines
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Average normalized HC+NOx emissions measurements for both laboratory-test and field-test Model 12 engines

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