4.3 - Velocity Gradient and Shear Stress
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
What does the no-slip boundary condition imply?
💡 Hint: Think about what happens to fluid behavior at a solid boundary.
Define the velocity gradient in your own words.
💡 Hint: Consider the distance away from a surface where fluid velocity changes.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the no-slip boundary condition?
💡 Hint: Consider what happens to fluid at a solid boundary.
True or False: Shear stress is always constant in the boundary layer.
💡 Hint: Think about how shear stress relates to fluid dynamics.
Get performance evaluation
Challenge Problems
Push your limits with advanced challenges
If a fluid with a viscosity of 0.002 Pa.s experiences a velocity gradient of 200 s^-1 at a boundary, calculate the shear stress at that boundary.
💡 Hint: Apply the shear stress formula.
Discuss the impact of a thicker boundary layer on fluid flow and sediment transport in rivers.
💡 Hint: Consider how reduced shear stress affects movement.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.