1.7 - Velocity and pressure distribution
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Practice Questions
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Define laminar flow.
💡 Hint: Think about smooth vs. chaotic movement.
What is the significance of Reynolds number in fluid mechanics?
💡 Hint: It's a dimensionless ratio that compares inertial and viscous forces.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What characterizes laminar flow?
💡 Hint: Consider how the layers of fluid interact.
True or False: Turbulent flow can be described as having a stable and consistent velocity profile.
💡 Hint: Think about whether the flow remains steady or changes.
1 more question available
Challenge Problems
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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.
💡 Hint: 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.
💡 Hint: Use properties of water and remember the limits for laminar flow.
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