Practice Energy in Turbulent Flows - 17.5 | 17. Laminar and Turbulent Flows | Fluid Mechanics - Vol 2
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17.5 - Energy in Turbulent Flows

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is a turbulent flow?

💡 Hint: Think about how water behaves in a river versus a still pond.

Question 2

Easy

What is the Reynolds number used for?

💡 Hint: Consider the number used to differentiate flow types.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What type of flow occurs at Reynolds numbers less than 2300?

  • Laminar Flow
  • Turbulent Flow
  • Transitional Flow

💡 Hint: Consider the definitions and how Reynolds numbers classify flow types.

Question 2

True or False: Turbulent flow is characterized by chaotic and irregular velocities.

  • True
  • False

💡 Hint: Think about the characteristics that define turbulence.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Given a pipe with a diameter of 0.1 m, a fluid density of 800 kg/m^3, and a velocity of 5 m/s, calculate the Reynolds number. Is the flow laminar, transient, or turbulent?

💡 Hint: Remember the Reynolds number formula and the classification thresholds.

Question 2

In an experimental setup, flow starts becoming turbulent at a Reynolds number of 2500. If the viscosity is 0.001 Pa.s, what is the maximum average velocity before reaching turbulence in a pipe of 0.1 m diameter?

💡 Hint: Use the Reynolds number formula carefully and ensure good assumptions about density and viscosity.

Challenge and get performance evaluation