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4 cards from this section. Quick, good the night before a test.
Define laminar flow.
Think about smooth vs. chaotic movement.
What is the significance of Reynolds number in fluid mechanics?
It's a dimensionless ratio that compares inertial and viscous forces.
What characterizes laminar flow?
Consider how the layers of fluid interact.
True or False: Turbulent flow can be described as having a stable and consistent velocity profile.
Think about whether the flow remains steady or changes.
A fluid with a viscosity of 0.002 Pa·s and a density of 850 kg/m³ flows through a circular pipe of diameter 0.1 m at a velocity of 3 m/s. Is the flow laminar, turbulent, or transitional? Calculate the Reynolds number.
Remember to use the Reynolds number equation.
A water flow at 15°C has a viscosity of 0.00114 Pa·s. Calculate the minimum diameter of a pipe (in meters) that will ensure laminar flow at a velocity of 1 m/s with a maximum Reynolds number of 2100.
Use properties of water and remember the limits for laminar flow.
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