Formulas for calculating the bore and stroke of a diesel engine

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Minh-Thanh, those "perfect conditions" are good enough for calculating loads required of a Diesel con-rod, required injection pressure, and anything else you can think about. "flash point" and "auto ignition" temperatures are both irrelevant for Diesel operation. so what's your point ? Pete.
 
I think it is safe to say that when using a 21:1 compression ratio, diesel fuel will combust when injected into the cylinder at TDC.
So does it really matter what that exact temperature is ?
Regardless of the temperature, diesel will combust under these conditions, and so that is what is critical for a diesel engine to operate.

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