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Main Parameters of Wind Tunnels |
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Wind tunnel | Great Horizontal Wind Tunnel | Vertical Wind Tunnel | Boundary Layer Wind Tunnel | NPL-type Wind Tunnel | Blackbird 1
| Blackbird 2
| | Type | horizontal Göttingen | vertical Göttingen
| boundary layer
| NPL | blower type
| blower type
| Test section
| open | open | closed | closed | open or closed with
changeable contraction | open or closed | | Length of test section [m] | 5,7 | 1,4 | 2 | | 1
| 1 | | Width of test section [m] | 2,6 | 1,4 | 2,2 | 0,5 | 0.35 or 0.5 | 0.15 | | Height of test section [m] | 2,6 | 2,5 | 1,6
| 0,5 | 0.35 or 0.4 | 1 | | Maximum velocity[m/s] | 60 | 35 | 19 | 16 | 24 or 15
| 19.5 | | Maximum turbulence intensity[%] | 0,3 | 0,3 | 0,5 | 1
| 0.8 | 0.8
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