Non-Newtonian Fluids

Claimed by Kyle Sabell

A non-Newtonian fluid is a specific type of fluid which does not behave in the same manner as regular fluids. The most notable difference in non-Newtonian fluids is that their viscosity is dependent on the shear rate, or the rate that shearing deformation is applied. In a Newtonian fluid, the relationship between the shear rate and force applied can be modeled by a linear curve. Non-Newtonian fluids exhibit a behavior which lacks a clear relationship between the shear rate and force applied, meaning that the viscosity of the fluid changes when a force is applied.

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A Mathematical Model

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A Computational Model

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Examples of Non-Newtonian Fluids

• Ketchup
• Toothpaste
• Starch mixed with water
• Shampoo
• Blood
• Custard
• Paint

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