The Effect of Local Heating on A/F Ratio Control 820411

The effect of local heating on transient A/F excursions is investigated experimentally on the 5 Liter, Central Fuel Injected engine. Data are presented which show the effect of heating the throttle plates and plenum floor respectively on transient A/F excursions, and these data are interpreted in relation to a dynamic wall-wetting model. The benefits of local heating for reduction of A/F transients during warm up are also discussed.


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