PRO TECHNICIAN

Description.

Combustion Cycle

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3. Diesel engine combustion process
For the combustion process that occurs in the diesel engine, there is a relationship between the pressure inside the combustion chamber and the crank angle as shown on the left.
This combustion process can be divided into the following four stages.
(1) Ignition delay (A - B)
(2) Flame propagation (B - C)
(3) Direct combustion (C - D)
(4) After burning (D - E)
Combustion process (A - E)

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