The low-speed wind tunnel (NWB) in Braunschweig is an industrial wind tunnel for the low-speed domain.
Type of wind tunnel
Industrial wind tunnel for the low-speed domain with cutting edge technology and with capabilities for dynamic testing
Main features
Test section
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Closed or slotted wall test section: 3.25 m x 2.8 m x 8.0 m
Open jet section: 3.25 m x 2.8 m x 6 m
Operating range
Closed or slotted wall section: 0 < V < 85 m/s
Open jet section: 0 < V < 70 m/s
Model support
Full-models, half-models and 2D airfoil models
Dynamic supports: Rotary motion support for coning and spinning motion as well as Model Positioning Mechanism (MPM) or maneuver simulation
Fixed ground plane with scoop for automotive tests
Moving belt for automotive tests
Auxiliary systems
Compressed air supply: reciprocating compressor, screw compressors, with 2 kg/s with 30 bar for TPS tests, or combinations like 9 bar with 3.5 kg/sec, 3.5 bar with 5 kg/sec
Vacuum pumps 4.6 kg/sec with 0.2 bar
Typical tests
Database creation and configuration studies for aircraft, cars and trucks
Engine integration
Dynamic testing
Air intake tests
Air exhaust simulation
Aeroacoustic investigations with microphone array techniques