The engine design is based on AVL know-how from development results and measurement data of state of the art HSDI (High Speed Direct Injection) diesel engines. The packaging of the engine in the vehicle is shown using rapid prototype parts.
Besides the packaging and design work a 1D thermodynamic engine simulation with AVL's software code BOOST was carried out in order to optimise the gas exchange of the engine including the VTG (Variable Turbine Geometry) turbocharger characteristics to predict the engine performance. To optimise the engine in terms of cyclic speed irregularity a torsional vibration equivalent system was set up using AVL's software code BRICKS. This simulation included the variation of the flywheel mass and the analysis of different cylinder pressure characteristics. Additional simulations of the entire motorcycle in order to determine the driving performance were carried out using AVL's Vehicle simulation software CRUISE.
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