Named for its inventor, this engine sprays fuel directly into the chamber, where it is ignited by high- temperature air
The 
available energy is manifested as high temperature and pressure which can be ... 
that occurs directly after the air-fuel mix in the cylinder is ignited is known as a ... 
of engines because unspent fuel being sprayed into the combustion chamber... [DOC] [TLE] Diesel engine - New World Encyclopedia [PAR] Dec 30, 2014 ... By contrast, petrol engines utilize the Otto cycle in which fuel and air are ...