Mathematics
Fan
75%
Ventilation
63%
Horizontal
59%
Unit
44%
Performance
38%
Aerosol
33%
Purification
31%
Computational Fluid Dynamics
27%
Flow Rate
27%
Placement
24%
Safety
24%
Resources
20%
Human
19%
Entire
18%
Evaluate
17%
Gradient
16%
Alternatives
13%
Physics & Astronomy
cleaners
88%
fans
69%
boxes
61%
ventilators
39%
air
38%
ventilation
20%
air purification
14%
shelters
12%
performance
10%
computational fluid dynamics
9%
plumes
8%
aerosols
8%
resources
8%
safety
7%
flow velocity
6%
gradients
5%
Chemical Compounds
Air Purification
94%
Aerosol
67%
Safety
55%
Flow Kinetics
49%
Reduction
29%
Engineering & Materials Science
Air cleaners
100%
Fans
60%
Ventilation
20%
Thermal plumes
17%
Air purification
17%
Prisons
16%
Aerosols
13%
Air
11%
Thermal gradients
11%
Costs
8%
Flow rate
8%