1.1 - Viscous flow in pipes
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Practice Questions
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What is viscous flow?
💡 Hint: Think about how thick liquids behave.
What is the main driving force for flow in pipes?
💡 Hint: Consider how water flows through a pipe.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What type of flow is characterized by a Reynolds number below 2100?
💡 Hint: Think about the flow characteristics at low speeds.
True or False: The pressure gradient is the primary driving force for flow in open channels.
💡 Hint: Recall how fluids behave in open channels.
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Challenge Problems
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A fluid flows through a long, smooth pipe at a velocity of 1 m/s. If the diameter of the pipe is doubled, how does the Reynolds number change assuming viscosity stays the same?
💡 Hint: Remember the Reynolds number formula: Re = (density × velocity × diameter) / viscosity.
Design an experiment to demonstrate the transition from laminar to turbulent flow using water and a dye. Describe the setup and the expected observations.
💡 Hint: Focus on the visualization aspects with dye to observe the patterns.
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