this is a fire piston it's one of the simplest forms of ignition that exists and it's why diesel engines run I'm going to go back about 2,000 years to when this combustion method was first discovered ...

A.Here's a pressure-volume diagram for a combustion engine. Although rough, it is an approximation of the so-called air-standard cycle. '' Point (a) is at atmospheric pressure, after which the air is ...

Apart from the very curious, not many people ask why diesel engines, compared to gasoline, run higher compression ratios. The argument is reasonably straightforward and starts with fuel ...