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3 cards from this section. Quick, good the night before a test.
What is the definition of a control volume?
Think about how we isolate parts of the fluid for analysis.
Name the two types of forces acting on a control volume.
Consider where these forces act in relation to the fluid.
What is the momentum conservation principle?
Think of systems like closed containers.
Reynolds Transport Theorem relates what two aspects?
Consider how we analyze flows in and out of control volumes.
A water jet exits a nozzle with an internal diameter of 0.05m and a velocity of 10 m/s. Calculate the momentum flux and compare it to that of a jet with a diameter of 0.1m and a velocity of 5 m/s.
Use A = π(d/2)^2 for area calculation.
Describe how the variation in pressure along a bridge pier affected by a flowing river can change the structural design of the pier. What calculations would be necessary?
Consider using CFD simulations to visualize these forces.
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