The design of 4-stroke engines, complying with the new Motorcycle Road Racing World Championship regulations is discussed. Similarity rules and non dimensional parameters from a database on racing engines are used to define some general guidelines. More specific information about friction losses and combustion is derived from experiments, carried out on a 3-cylinder MotoGP prototype engine. These experiments provided the input needed to set up and validate a base model for 1D thermo-fluid-dynamic calculations. Engine simulation is employed for optimizing several design parameters. A comparison between the proposed methodology and a few design criteria presented in literature is made. Finally, the brake performances of some optimized engines are predicted.
Similarity Rules and Parametric Design of Four Stroke MotoGP Engines
Sae Technical Papers
Motorsports Engineering Conference & Exposition ; 2004
2004-11-30
Conference paper
English
Similarity rules and parametric design of four stroke MotoGP engines
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