4.2 - Velocity Gradient and Shear Rate
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 velocity gradient in your own words.
💡 Hint: Think about how fluid velocity changes across a distance.
What does shear stress represent?
💡 Hint: Consider how forces act on surfaces in fluid dynamics.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What defines a Newtonian fluid?
💡 Hint: Think about how viscosity responds to different conditions.
True or False: In non-Newtonian fluids, viscosity is constant.
💡 Hint: Remember the effects leading to changes in viscosity.
Get performance evaluation
Challenge Problems
Push your limits with advanced challenges
A fluid flows through a 1 cm thick layer between stationary and moving plates at 10 m/s. Calculate the shear stress if the viscosity is 0.8 Pa.s.
💡 Hint: Remember the shear stress formula involving viscosity.
Discuss the implications of temperature variations on the viscosity of honey compared to air when heated.
💡 Hint: Think about how molecular interactions change with temperature.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.