The Transient Performance Analysis of a Turbocharged Vehicle Diesel Engine with Electronic Fuelling Control 900236

A microprocessor fuelling controller, which limits engine maximum fuelling in proportion to cylinder-trapped mass during transient operation, is used to examine the effect of fuelling control on engine transient performance. Results obtained under various transient schedules including acceleration, load application and a combination of the two, with alternative fuelling control strategies and a number of injection timing settings are presented and discussed, together with a full analysis of the effect of fuelling control on engine performance.
It is shown that exhaust smoke may be reduced to low levels during most engine transients, particularly during acceleration, by the use of a fuelling controller. However, the choice of a proper control strategy is essential in order to optimize response versus smoke during acceleration and ensure stall-free operation of the engine during load acceptance.


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