Drag Flashcards
1
Q
Describe how the turbulent boundary layer is different to the laminar layer
A
It’s thicker and has a higher mean speed, creating more friction
2
Q
Which type of boundary layer is more resistant to flow separation?
A
Turbulent
3
Q
Thin wing profiles have separation points close to the ___ edge and ___ wakes
A
Trailing, small
4
Q
The transition point moves ___ with increasing speed
A
forward
5
Q
Form drag increases when the separation point moves ___
A
forward
6
Q
Cdi =
A
( Cl^2 ) / ( Pi x Aspect Ratio )
