Definition of volumetric efficiency in English:

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volumetric efficiency

noun

The ratio of the volume of fluid actually displaced by a piston or plunger to its swept volume.
Example sentences
  • The diesels will require better volumetric efficiency in order to achieve more complete combustion, thereby reducing emissions.
  • It becomes a four-cylinder engine running at a more open throttle condition, improving volumetric efficiency and reducing pumping losses, with very little loss in the system.
  • Thanks in part to the advent of electronic controls, engineers are trimming losses, perfecting combustion, boosting volumetric efficiency and raising redlines.

For editors and proofreaders

Syllabification: vol·u·met·ric ef·fi·cien·cy

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