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3 cards from this section. Quick, good the night before a test.
What happens to pressure when water enters a pipe?
Consider what forces act on the water entering the pipe.
Define laminar flow.
Think about the characteristics of fluid movement in layers.
What is the primary cause of the entrance pressure drop in a pipe?
Think about forces modeling fluid movement.
True or False: Shear stress varies linearly with radial distance in laminar flow.
Visualize the shear stress distribution.
A 50-meter-long pipe with a diameter of 0.2 m has a wall shear stress of 0.02 Pa. Calculate the pressure drop per unit length.
Use the formula derived for pressure drop.
Illustrate how the transition from laminar to turbulent flow affects pressure drop if the diameter of the pipe is halved while the viscosity remains constant.
Relate the concept of area to flow resistance.
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