Chapter 2 Flashcards
1
Q
What is density at mean sea level
A
1.225kg/m3
2
Q
What is air density proportional to?
A
Air density = p/T
3
Q
Composition of the atmosphere
A
Nitrogen 78%
Oxygen 21%
Trace gases 1% (argon, CO2, water Vapour)
4
Q
ISA mean sea level
A
+15 air temp
1013 HPA pressure
1.225 kg/m3 density
5
Q
Dynamic pressure
A
Q = 1/2 x p x V2
