Paper 10: Fuel Limitations on Diesel Engine Development and Application

Abstract
The authors discuss the emission characteristics of the high-speed diesel engine, and conclude that fuel quality variations have only a small influence on the emission of black smoke and oxides of nitrogen at full load. However, at idle or light engine loads, good ignition quality is shown to be essential in order to minimize the emission of unburnt hydrocarbons and aldehydes. Emphasis is placed on the need to pay greater attention to fuel system design in order to improve the low-temperature operability of diesel vehicles. The problems of burning residual fuel in medium-speed engines are reviewed and data on the ignition quality of these products are presented.

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