The period between the start of fuel injection and beginning of ignition is known as “ignition delay”, and partly depends on the the ignition quality of the fuel.
Other contributors to ignition delay include fuel injection timing, fuel injection viscosity, air temperature and pressure, and cylinder pressure.
Ignition delay can result in engine “knock”, and possible engine damage due to the sudden and rapid rise in peak pressure.
A knowledge of the fuel’s ignition quality is important if engine “knock” and subsequent damages are to be avoided.
Ignition Delay
Reviewed by HODO
on
August 14, 2015
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