CBE 30355 - Lecture Notes - Sept. 14, 2023
Hurricanes are much in the news today! A nice link describing how they work is found
Read through pages 89-103 of the notes and view the online narration below. Don't forget to complete the quiz in Canvas!
The main points of the lecture were
- Conservation of Momentum and the Cauchy Stress Equations
After this class you should be able to:
- Solve simple force and momentum balance problems.
- Be able to derive the Cauchy Stress Equations.
- The class notes.
- BS&L, chapter 3
In our class demonstration today we looked at Crookes' Radiometer, which was
initially thought to be a demonstration of the momentum associated with quanta of
light. It took many years before the noted hydrodynamicist Osborne Reynolds (1879)
was able to show that it was actually a demonstration of the migration of molecules due
to thermal gradients around the edges of the vanes. For a detailed explanation of the
phenomenon and its history, go here.