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3 cards from this section. Quick, good the night before a test.
Define displacement thickness in your own words.
Think about how layers of fluid interact near a surface.
What differentiates laminar flow from turbulent flow?
Consider how fluid moves in different scenarios.
What is the value of displacement thickness for laminar flow given delta is 80 mm?
Calculate using the laminar flow formula.
True or False: The von Karman equation only applies to turbulent flows.
Consider what we've covered regarding its application.
A flat plate is subjected to a uniform flow of 12 m/s. Given that the boundary thickness is 150 mm for laminar flow, calculate both the displacement thickness and the drag force experienced by the plate in laminar flow conditions.
Use the formulas we discussed in class.
For the same plate with turbulent conditions where delta is now 150 mm, calculate the new displacement thickness and the shear force acting on the plate when the flow velocity is 20 m/s.
Pay special attention to the formulas relevant for turbulent flow.
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