We've got 13 shorthands for viscosity index »
Acronyms that contain the term viscosity index
What does viscosity index mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: viscosity index.
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Term | Definition | Rating |
---|---|---|
VI | Viscosity Index | |
HVI | High Viscosity Index | |
VII | Viscosity Index Improver | |
VAI | Viscosity Aging Index | |
LVI | Low Viscosity Index | |
HVI | High Viscosity Index | |
LVI | Low Viscosity Index | |
MVI | Medium Viscosity Index | |
OVI | Oxidized Viscosity Index | |
VHVI | Very High Viscosity Index | |
VII | Viscosity Index Improvers | |
VSI | Viscosity Sensitivity Index | |
XHVI | Extra High Viscosity Index |
What does viscosity index mean?
- Viscosity index
- The viscosity index (VI) is an arbitrary, unit-less measure of a fluid's change in viscosity relative to temperature change. It is mostly used to characterize the viscosity-temperature behavior of lubricating oils. The lower the VI, the more the viscosity is affected by changes in temperature. The higher the VI, the more stable the viscosity remains over temperature fluctuations. The VI was originally measured on a scale from 0 to 100; however, advancements in lubrication science have led to the development of oils with much higher VIs.The viscosity of a lubricant is closely related to its ability to reduce friction in solid body contacts. Generally, the least viscous lubricant which still forces the two moving surfaces apart to achieve "fluid bearing" conditions is desired. If the lubricant is too viscous, it will require a large amount of energy to move (as in honey); if it is too thin, the surfaces will come in contact and friction will increase.
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"viscosity index." Abbreviations.com. STANDS4 LLC, 2024. Web. 19 Apr. 2024. <https://www.abbreviations.com/viscosity%20index>.
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