Browse Publications Technical Papers 1999-01-1497

Characterisation of the Injection-Combustion Process in a D.I. Diesel Engine Running with Rape Oil Methyl Ester 1999-01-1497

The objective of the work presented here is to evaluate the potential of rape oil methyl ester (RME) to improve the combustion process in a high-speed direct injection (HSDI) Diesel engine equipped with high-pressure common-rail injection system. The study, based on the comparison of three different fuels (standard gas-oil, RME and 30% RME/gas-oil mixture), takes into account the main aspects that control Diesel combustion, from the injection rate characteristics to the spray behaviour characterised using an optical pressurised chamber.
This global study of the whole injection-combustion process allows identifying some causes of the decrease in pollutant emissions observed when the engine operates with RME.


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