Monitoring of hydrocarbon fuel-air mixtures by means of a light extinction technique in optically accessed research engines

Ernst Winklhofer; Anton Plimon

doi:10.1117/12.55945

1 September 1991 Monitoring of hydrocarbon fuel-air mixtures by means of a light extinction technique in optically accessed research engines

Ernst Winklhofer, Anton Plimon

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Optical Engineering, Vol. 30, Issue 9, (September 1991). https://doi.org/10.1117/12.55945

Abstract

Light scattering and light absorption of hydrocarbon fuels was utilized to gain information about the presence and the space-time distribution of liquid and vaporized fuel inside the combustion chambers of optically accessed research engines. The design and application of the experimental method is described. Semiquantitative results about the mixing of fuel with in-cylinder air are presented. The conclusions drawn therefrom yield time scales for diesel spray penetration, evaporation, and fuelair mixture formation. In a gasoline engine, different modes of fuel air mixing are identified.

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Ernst Winklhofer and Anton Plimon "Monitoring of hydrocarbon fuel-air mixtures by means of a light extinction technique in optically accessed research engines," Optical Engineering 30(9), (1 September 1991). https://doi.org/10.1117/12.55945

Published: 1 September 1991

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