Computer Aided Evaluation of Cold Start Fuelling Strategy and Calibration Details for Spark Ignition Engines

Paper #:
  • 940085

Published:
  • 1994-02-01
Citation:
Shayler, P., Sage, J., Dixon, J., and Eade, D., "Computer Aided Evaluation of Cold Start Fuelling Strategy and Calibration Details for Spark Ignition Engines," SAE Technical Paper 940085, 1994, https://doi.org/10.4271/940085.
Pages:
10
Abstract:
Spark ignition engines for automotive applications must have good cold start performance characteristics at sub-zero ambient temperatures. Satisfactory performance is most difficult to achieve at the lower end of the temperature range, typically around -30°C. The start characteristics of a particular engine depend on basic design features, starter motor characteristics, and the calibration and strategy used to regulate fuel supply during start up. The paper reports a computational model which enables the investigation of these with the minimum of experimental data. The model has been developed to run on desk-top PC machines, specifically as a CAE development tool. The formulation of the model and the experimental tests were used to generate the input data required for particular applications are described.
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