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2 cards from this section. Quick, good the night before a test.
What is the definition of laminar flow?
Think about how a straight stream flows.
What is the Reynolds number threshold for laminar flow?
Remember the general numbers given.
What flow regime is associated with a Reynolds number less than 2300?
Recall the threshold values discussed.
True or False: Turbulent flow is characterized by regular and streamlined motion.
Think about how turbulent flow looks in real life.
A fluid with a viscosity of 0.001 Pa·s flows through a 5 cm diameter pipe at a velocity of 1 m/s. Calculate the Reynolds number and determine if the flow is laminar or turbulent.
Don't forget to convert units if needed.
For flow through a circular pipe, derive the equation of velocity as a function of radius under laminar flow conditions. Consider the assumptions discussed.
Start from the defined shear stress τ = -μ(du/dr), integrate considering boundary conditions.
4 more questions in this section. Enroll free to practise them all.
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