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4 cards from this section. Quick, good the night before a test.
Define a viscous fluid.
Think about how some liquids flow slower than others.
What is a substantial derivative in fluid mechanics?
It's used to account for the motion of the fluid.
What do Navier-Stokes equations describe?
Recall our earlier discussions on fluid mechanics.
True or False: A substantial derivative only considers local changes.
Think about the equation derivation we discussed.
Given a fluid flowing in a pipe, if the viscosity is doubled, how will it affect the flow rate assuming laminar flow? Provide explanations and calculations.
Find the relationship between viscosity and flow rate in laminar flow.
Analyze a scenario where a fluid element undergoes both shear and dilation. How would you represent the combined strain mathematically?
Consider how stress and shear strain are related through Newton's law of viscosity.
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