Sources of hydrocarbon emissions in rotary engines
Sources of hydrocarbon emissions in rotary engines
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- New search for: Burley, H.A.
- New search for: Meloeny, M.R.
- New search for: Stark, T.L.
In many rotary engines, over 10 % of the fuel passes through the engine unused. This loss makes exhaust cleanup difficult and also represents a serious penalty in fuel economy. The major hydrocarbon sources were found to be apex seal leakage, cold wall zone effects, residuals and surface-to-volume ratio which included rotor surface quench and chamber surface quench. Lesser hydrocarbon sources were crevice volume, and effects attributable to spark plug, ignition system, turbulence, intake mixture and lubricant on the combustion chamber walls. Through various engine modifications we were able to cut base engine hydrocarbons about 55 %. (Kursetz)
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Sources of hydrocarbon emissions in rotary engines
Ursachen der Kohlenwasserstoffemission bei Kreiskolbenmotoren
SAE-Papers ; 1-16
1978
16 Seiten, 22 Bilder, 2 Tabellen, 20 Quellen
Conference paper
English
FAHRZEUGANTRIEB , KREISKOLBENMOTOR , BETRIEBSVERHALTEN , BETRIEBSPARAMETER , KONSTRUKTIONSDATEN , DIESELBRENNSTOFF , FAHRZEUGKRAFTSTOFF , KRAFTSTOFFVERBRAUCH , BRENNKAMMER , MOTORLEISTUNG , ABGASSYSTEM , ABGASEMISSION , CHEMISCHE ANALYSE , KOHLENWASSERSTOFF , EINSPRITZANLAGE , MOTORZUENDANLAGE , ENTWICKLUNGSRICHTUNG
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