CBE 30355 - Lecture Notes - Dec. 3, 2019
Announcements
Class notes
Scanned Notes
The main points of the lecture were
- Integral Boundary Layer Equations
Goals:
After this class you should be able to:
- Show how boundary layers grow in favorable or adverse pressure gradients.
Reading
- The class notes.
- BS&L, chapter 4
Drag Reduction via Turbulence
In class we discussed the boundary layer separation which occurs as a result of the
adverse pressure gradient on the back side of a sphere or other bluff body. This
separation may be delayed, and the drag reduced via pressure recovery, when the
boundary layer becomes turbulent. For a nice discussion of this transition, and
associated drag reductions, check out the link given
here.
In addition to general information on drag reduction, this website also contains just
about everything you would want to know about the aerodynamics of bicycle design!
Demonstration:
David.T.Leighton.1@nd.edu