Скачать или смотреть AIR Intake and Exhaust - Systems Volumetric Efficiency

[AIR Intake and Exhaust - Systems Volumetric Efficiency]

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[Summary of Video]

volumetric efficiency compares the volume of air entering a cylinder during intake to the internal volume of the cylinder when the piston is at bottom dead center it is usually expressed as a percentage in a naturally aspirated engine one without forced induction volumetric efficiency can never be 100 percent this is because of the resistance to the air flow that occurs at the carburetor manifold and the intake valve with forced induction the incoming air is compressed so that a greater volume and mass of air is forced into the cylinder during the intake stroke that takes the volumetric efficiency to above 100 percent.

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