Combustion Parameters Calibration and Intake Manifold Redesign for Formula Student YAMAHA YZF-R6 Engine

Abstract

In order to improve the performance of previous season 599cc Yamaha YZFR6 Formula Student air-flow restricted racing engine, an intensive research in developing a trustworthy engine mathematical model, using 1D thermodynamic Ricardo WAVE® simulation environment was carried out. The Internal Combustion Engine Department has provided simulation software and equipment for in-laboratory engine testing. Data acquired during last season control parameter optimization process (ignition and fuelling main maps) on the engine test bench was used to calibrate the combustion model. Research was based on engine effective parameters, because the crank-angle-resolved cylinder pressure measurement was not carried out. Engine work cycle simulation results analysis and combustion parameters decision-making process were processed using MATLAB® in-house developed code. The engine model with recalibrated combustion parameters was used for assessment of characteristic geometrical dimensions for the new intake manifold. Using this approach for intake manifold design we were able to simulate various design concepts in an effective and fast manner.