Browse Publications Technical Papers 2002-01-0378
2002-03-04

Model-Based Sequential Turbocharging Optimization for Series 8000 M70/M90 Engines 2002-01-0378

The 20-cylinder MTU Series 8000 engine is distinguished in particular by a common rail fuel injection system, an electronic engine management system and a sequential turbocharging system. A gasdynamic model has been developed for this engine that facilitates simulation of both stationary operation modes and transient propulsion maneuvers. This analytical tool was employed extensively during the engine development phase in order to identify the complex interaction between the thermodynamic systems and to define the design peripheral conditions as well as for parameter optimization. The model was verified on the basis of experimental investigations.
Using this basis, parameter variations and design concepts were modeled and their influences on the torque development, speed curve and engine-internal combustion sequences were discussed.

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