A Study on Knocking Prediction Improvement Using Chemical Reaction Calculation

Paper #:
  • 2015-01-1905

Published:
  • 2015-09-01
Citation:
Kitada, T., Kuchita, M., Hayashi, S., Shirota, T. et al., "A Study on Knocking Prediction Improvement Using Chemical Reaction Calculation," SAE Int. J. Engines 9(1):201-209, 2016, https://doi.org/10.4271/2015-01-1905.
Pages:
9
Abstract:
Compression ratio of newly developed gasoline engines has been increased in order to improve fuel efficiency. But in-cylinder pressure around top dead center (TDC) before spark ignition timing is higher than expectation, because the low temperature oxidization (LTO) generates some heat. The overview of introduced calculation method taking account of the LTO heat of unburned gas, how in-cylinder pressure is revised and some knowledge of knocking prediction using chemical kinetics are shown in this paper.
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