CBE 30356 - Lecture Notes - January 17, 2023
Announcements
Class notes
Read through pages 1-13 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
- Fourier's Law of Energy Conduction
- The origin of thermal conductivity in different materials
Goals:
After this class you should be able to:
- Know the approximate magnitude of conductivity in different materials.
- Know where thermal conductivity comes from in gases, liquids, and metals.
Reading
- The class notes.
- BS&L, 9.1-9.5
Problem of the Day
- Calculate the thermal conductivity of N2 and compare it to literature values.
- solution.
Demonstration:
The demonstration today is the phenomenon of conductivity: how long does it take energy to propagate down a rod heated at one end.
David.T.Leighton.1@nd.edu