Physics & Astronomy
aerodynamic characteristics
10%
aerodynamic loads
12%
balloons
66%
body-wing configurations
14%
computational fluid dynamics
8%
flight
53%
free fall
9%
high altitude balloons
11%
hypersonic flight
11%
low altitude
9%
microgravity
15%
turbojet engines
100%
vehicles
56%
wind tunnels
8%
Engineering & Materials Science
Aerodynamic loads
8%
Aerodynamics
5%
Balloons
70%
Computational fluid dynamics
5%
Experiments
20%
Hypersonic aerodynamics
8%
Microgravity
17%
Turbojet engines
83%
Wind tunnels
6%
Earth & Environmental Sciences
aerodynamics
13%
computational fluid dynamics
7%
engine
52%
experiment
22%
flight
48%
status of development
10%
vehicle
44%
wind tunnel
7%