![]() ![]() The force required to move a layer of fluid in this way is related to the velocity at which the fluid layer will move by the equation: A force needs to be applied to a layer of fluid in order to make it flow at a constant speed relative to any other layer. Whenever a fluid flows against a surface, the different layers of fluid exert frictional forces between each other, causing them to flow at different speeds. The main difference between dynamic and kinematic viscosity is that dynamic viscosity is a measurement of how difficult it is for a fluid to flow whereas kinematic viscosity is the dynamic viscosity of a fluid divided by its density. Usually, two types of viscosity are quoted: dynamic and kinematic viscosity. Viscosity is very important to any process that depends on a flow of fluid. ![]() Main Difference – Dynamic vs. Kinematic Viscosity ![]()
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