the apparent viscosity is constant, and equal to the Newtonian viscosity of the fluid, but for non-Newtonian fluids, the apparent viscosity depends on the... 3 KB (364 words) - 18:19, 1 July 2022 |
In mathematics, the viscosity solution concept was introduced in the early 1980s by Pierre-Louis Lions and Michael G. Crandall as a generalization of... 16 KB (2,597 words) - 16:44, 8 September 2023 |
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... 7 KB (1,041 words) - 17:32, 22 February 2024 |
Dynamic viscosity is a material property which describes the resistance of a fluid to shearing flows. It corresponds roughly to the intuitive notion of... 37 KB (2,469 words) - 15:27, 23 November 2023 |
Motor oil (redirect from Sae viscosity number) antiwear additives, detergents, dispersants, and, for multi-grade oils, viscosity index improvers.[citation needed] The main function of motor oil is to... 66 KB (8,856 words) - 22:48, 5 April 2024 |
Relative viscosity (ηrel{\displaystyle \eta _{rel}}) (a synonym of "viscosity ratio") is the ratio of the viscosity of a solution (η{\displaystyle \eta... 1 KB (170 words) - 06:00, 10 June 2023 |
Volume viscosity (also called bulk viscosity, or second viscosity or, dilatational viscosity) is a material property relevant for characterizing fluid... 11 KB (1,661 words) - 08:55, 10 April 2024 |
Viscosity depends strongly on temperature. In liquids it usually decreases with increasing temperature, whereas, in most gases, viscosity increases with... 18 KB (2,191 words) - 16:31, 21 July 2023 |
In fluid dynamics, the reduced viscosity of a polymer is the ratio of the relative viscosity increment (ηi{\displaystyle \eta _{i}}) to the mass concentration... 1,006 bytes (113 words) - 15:32, 8 December 2022 |