07-07-2014, 05:49 AM
I agree with Marc. Diesels operate under a stratified charge condition..Fuel is injected into the combustion chamber after it is fully filled with air. A/F ratios can reach 100/1 with no increase in combustion temps. More fuel means more heat on a diesel engine.
The lean mixture conditions a gasoline engine can experience happen under a homogenous charge where fuel and air are premixed before entering the combustion chamber. The A/F mixture must be kept closer to that 14/1 stoichiometric ratio to prevent high combustion temps.
The lean mixture conditions a gasoline engine can experience happen under a homogenous charge where fuel and air are premixed before entering the combustion chamber. The A/F mixture must be kept closer to that 14/1 stoichiometric ratio to prevent high combustion temps.
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