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4 cards from this section. Quick, good the night before a test.
What happens to the velocity of fluid between two parallel plates?
Consider the no-slip condition.
Define shear stress in fluid mechanics.
Think about forces acting on fluid layers.
What is the primary characteristic of a Newtonian fluid?
Think about fluids that pour and behave consistently.
True or False: The viscosity of a fluid decreases with increasing temperature.
Consider what happens to syrup when heated.
Calculate the shear stress in a fluid between plates with a dynamic viscosity of 0.05 Pa.s and a velocity gradient of 200 s⁻¹.
Use the relation τ = μ * (du/dy) to solve.
A liquid behaves like a Bingham plastic. If the yield stress is 5 Pa and the applied stress is 15 Pa, calculate the flow rate given its viscosity is 0.1 Pa.s.
Don't forget to subtract the yield stress from applied stress before dividing.
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