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2 cards from this section. Quick, good the night before a test.
What does viscosity measure?
Think about how syrup flows compared to water.
What does the Reynolds number compare?
Remember how it helps determine flow types.
What does viscosity influence?
Think of thick versus thin liquids.
True or False: The Reynolds number is used to compare inertial forces to gravitational forces.
Remember the role of viscosity!
A fluid has a density of 1000 kg/m³ and a dynamic viscosity of 0.001 Pa.s. Calculate the Reynolds number for a pipe with a diameter of 0.05 m and a fluid velocity of 2 m/s. Discuss whether the flow is laminar or turbulent.
Use the Reynolds number formula to perform your calculations.
In an open channel flow with an average flow depth of 0.5 m and a velocity of 3 m/s, calculate the Froude number. Discuss the implications of the result on flow classification.
Recalling the definition of the Froude number will help you calculate.
4 more questions in this section. Enroll free to practise them all.
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