Quote:
Originally Posted by t vago
...
That being said, assume that on the combustion stroke of our hypothetical cylinder here, within this cylinder, that will be some set amount of fuel that will will combine exactly with some set amount of oxygen. If there is more fuel than oxygen present (rich), then there will be unburned fuel at the end of the combustion stroke. Similarly, if there is more oxygen than what is needed by the fuel (lean), then there will be excess oxygen at the end of the combustion stroke. Let's take as an extreme example of lean, the case of no fuel at all.
|
Agreed all around, except careful what you mean by 'set' amount of fuel. It will be a variable for analysis, fixed for a given type of engine operation (and all other things being equal). (Nah, I'm sure you thought this through, lead on.)