11.2.1 - Introduction to Boundary Layers
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
Define a boundary layer.
💡 Hint: Think about where velocity changes occur near surfaces.
What is the significance of the Reynolds number?
💡 Hint: Remember it as a measure of relative inertial and viscous forces.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does the Reynolds number indicate?
💡 Hint: Think about what factors influence flow behavior.
True or False: Boundary layers have no effect on drag.
💡 Hint: Consider how fluid interacts with surfaces.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A flat plate is oriented in uniform flow with a Reynolds number of 150,000. Calculate if the flow is laminar or turbulent and justify your answer using the critical Reynolds numbers.
💡 Hint: Check the given Reynolds number against common thresholds!
Describe how you would modify the surface of an aircraft wing to minimize drag by controlling boundary layer thickness.
💡 Hint: Think about design techniques and surface textures.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.