Operation of the chamber

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Figure 5-5. Spherical Chamber.

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TM-9-8000 Principles of Automotive Vehicles Manual

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Section III. 5-13. Fuel Injection Principles.

TM 9-8000

b. During the compression stroke, the swirling

chamber (C, fig. 5-5). d. As combustion begins, the

motion of the air continues as the temperature in the

main portion of the fuel is swept off of the piston head by

chamber increases (B, fig. 5-5).

the high velocity swirl that was created by the intake and

the compression strokes. As the fuel is swept off of the

c. As the fuel is injected, approximately 95 percent

head, it burns through the power stroke, maintaining

of it is deposited on the head of the piston and the

even combustion and eliminating detonation (D and E,

remainder mixes with the air in the spherical combustion

5-7