Practice Irrotational Flow (1.5) - Viscous Fluid Flow (Contd.) - Hydraulic Engineering

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10 questions

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4 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
4 questions · about 3 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is vorticity and how is it calculated?
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Think of how rotation is related to the velocity field.
Question 2.
What defines irrotational flow?
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Remember the relationship between vorticity and rotation.
3Question 3.
What is the definition of vorticity?
- Measure of speed
- Local rotation of fluid
- Fluid temperature
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Think of how vorticity relates to concept of rotation.
4Question 4.
Irrotational flow is characterized by what condition?
- True
- False
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Recall what vorticity tells us about the flow.
Question 5.
If a fluid has a vorticity of zero, what implications does this have for flow around an object at high speed?
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Think about how rotational elements complicate flow analysis.
Question 6.
Derive the relations between shear and dilatational strain in a transitioning fluid state and explain why they are significant in real-world applications.
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Consider scenarios where compression or expansion takes place in engineering design.

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