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On the contrary, low viscosity fluids are more volatile, creating environmental problems. , kinematic viscosity, KinematicViscosity. Oils with too high viscosity don't protect well against mechanical friction, resulting in heat generation. Viscosity will affect the thickness of the oil film as well as the effectiveness of its protective qualities. These films are used to protect equipment from mechanical wear and may also have extra benefits such as creating a barrier to corrosion. The viscosity of oil and lubricants are often measured in industrial settings. The average kinematic viscosity at this temperature was 0.974☐.078 cSt with a range of 0.969☐.077 to 0.979☐.078 cSt. Kinematic viscometers determine the kinematic viscosity by measuring the time it takes for the fluid to pass through a portion of a capillary. Five trials were conducted at 23.5☑.8☌ to determine the kinematic viscosity of water. Care must be taken when interpreting values and the temperature at which the values were measured.
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Understanding the distinction comes into play in industrial settings as record data is normally reported as kinematic viscosity, but onsite measurements are often measured as dynamic viscosity. Kinematic viscosity is not the same as dynamic viscosity, although they are related mathematically by the density of the fluid. This intermolecular friction is what makes the fluid resistant to change in shape and explains the thick and slow moving properties of highly viscous fluids. The stronger the intermolecular force, the more the molecules will stick together as they collide, manifesting a frictional interaction. If we rest a sphere, into a liquid, we can evaluate the density by using the formula mentioned below: Note: Shearing stress- If a direction of external force on. Strongly polarized interactions like hydrogen bonding in water or interactions between large non-polar surfaces in viscous oils produce stronger intermolecular forces. The motive force driving the fluid out of the cup is the head of fluid, which is also contained within the equation that makes up the volume of the fluid. Viscosity results from the intermolecular forces between molecules in a liquid. The timings can be used in a formula to estimate the kinematic viscosity value of the fluid in Centistokes (cSt). Corrosionpedia Explains Kinematic Viscosity