Definition of volumetric efficiency in English:

volumetric efficiency

Line breaks: volu|met¦ric ef¦fi|ciency

noun

  • The ratio of the volume of fluid actually displaced by a piston or plunger to its swept volume.
    More 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.

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Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody