A Study of the Transient Characteristics of a Small Two-Stroke Spark-Ignition Engine

Paper #:
  • 910674

Published:
  • 1991-02-01
Citation:
Kubota, Y., Hayashi, S., Kajitani, S., and Sawa, N., "A Study of the Transient Characteristics of a Small Two-Stroke Spark-Ignition Engine," SAE Technical Paper 910674, 1991, https://doi.org/10.4271/910674.
Pages:
9
Abstract:
A two-stroke engine has various advantages. It is simple in structure, light in weight, high in mechanical efficiency, superior in accelerating ability, etc. However, its fuel consumption is bad, its combustibility under partial load is poor and it is usually accepted that its exhaust gas is problematic.With increasing traffic flow volume, it has become recently necessary to operate transiently each vehicle with frequent stops and starts, as well as decelerations and accelerations.From this standpoint, the authors have formed a simple dynamic model of two-stroke engine, and by means of simulation investigated how its performance can be improved while it is transiently operated, in combination with experiment.The results confirm that the calculations from the model coincide approximately with experiment. The influences of various factors on the performance have been revealed.
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