Volumetric efficiency is a term used in various engineering contexts, including internal combustion engines, hydraulic pumps, and electronic components. In the context of an internal combustion engine, volumetric efficiency (VE) is the ratio of the actual amount of air flowing through the engine to its theoretical maximum. It is a measure of how well the engine can move air in and out of its cylinders. The formula for volumetric efficiency is given by: VE=CFM×3,456CID×RPMVE=\frac{CFM\times 3,456}{CID\times RPM}VE=CID×RPMCFM×3,456 where CFM is the amount of air in cubic feet per minute, CID is the engine displacement in cubic inches, and RPM is the engine speed. Volumetric efficiency can affect engine performance, and it is influenced by factors such as air density, temperature, and altitude
. In the context of a hydraulic pump, volumetric efficiency refers to the percentage of actual fluid flow out of the pump compared to the flow out of the pump without leakage
