Dynamic monitoring of differentiated hydrocarbons in direct engine exhaust: A versatile tool in engine development
In the compression and combustion strokes different individual hydrocarbons are generated through a complex reaction chemistry and can be monitored by a rapid V and F multicomponent gas analyzer system. They give detailed information on the physical properties of an engine. Through all different reaction sequences of the combustion, surface quenching reactions leave a characteristic pattern of hydrocarbons in the exhaust gas. Toluene and xylene, for example, represent direct monitors for unburnt fuel, alkenes and alkines show thorough fuel decomposition, allowing a rapid combustion when the spark is ignited, whereas aldehydes indicate autoignition processes. Ratios of hydrocarbon concentrations describe engine parameters like fuel/air mixing properties, EGR characteristics, autoignition processes, and engine oil combustion. So an optimized engine performance can be set by the hydrocarbon pattern measured in the direct exhaust gas.
- OSTI ID:
- 287753
- Report Number(s):
- CONF-960204-; ISBN 1-56091-791-9; TRN: IM9639%%342
- Resource Relation:
- Conference: International congress and exposition of the Society of Automotive Engineers (SAE), Detroit, MI (United States), 26-29 Feb 1996; Other Information: PBD: 1996; Related Information: Is Part Of Engine emissions and emissions measurement; PB: 184 p.
- Country of Publication:
- United States
- Language:
- English
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