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4 cards from this section. Quick, good the night before a test.
What is the formula for calculating entrance pressure drop in laminar flow?
Recall the relationship involving Reynolds number.
Define laminar flow in simple terms.
Think about how smooth liquids move in pipes.
What is the primary factor determining if the flow is laminar or turbulent?
Consider the numerical value of Reynolds for different flow types.
Is Poiseuille's law applicable to all types of fluids?
Recall the difference between Newtonian and non-Newtonian fluids.
A cylindrical pipe of diameter 0.1 m carries water (μ = 0.001 Pa.s). If the pressure drop over a length of 5 m is 5000 Pa, calculate the flow rate using Poiseuille's law.
Remember to substitute the values correctly and calculate π accurately.
Determine the Reynolds number for water flowing through a 0.1 m diameter pipe at a velocity of 2 m/s. Assume the density of water is 1000 kg/m³.
Use the Reynolds number formula and remember the properties of water at room temperature.
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