Results Obtained with Variable Turbine Entry Turbochargers on the IVECO 8140.21 DI Diesel Engine 850242

With small, high-speed diesel engines with direct injection, significant fuel economy improvements can be achieved relative to IDI engines. The achievement of acceptable noise levels and performances close to gasoline engines does still pose some difficulties. Furthermore, the more stringent emission standards and the requirements of higher performance outputs for diesel engines pose often contrary demands in engine development.
This paper presents some results of an investigation of turbocharging with a variable turbine entry turbocharger on the small, high-speed IVECO 8140.21 diesel engine with direct injection.


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