Large-Eddy Simulations of a Speed Transient Performed on a Motored Gasoline Engine

Paper #:
  • 2017-24-0028

Published:
  • 2017-09-04
Abstract:
A speed transient performed in a four-valve single cylinder optical gasoline engine under motored conditions is investigated by means of an experimental campaign and Large-Eddy Simulations. Thorough analysis of the flow phenomena is performed, including characterization of kinetic energy, tumble ratios and velocity fields. Comparison between experimental and numerical results shows that high-fidelity simulations are able to capture well the main features of the flow, validating the use of LES for this type of engine configuration.
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