DNW-LST (Low-Speed Wind Tunnel)

RI-125
Wind Tunnel
DNW Foundation
Description

Continuous, atmospheric, low-speed wind tunnel with exchangeable test sections;

Typical tests:

– Two- and three-dimensional model testing
– Ground effect simulation
– Dynamic measurements like vibrations or unsteady pressures
– Turbofan propulsion simulators (TPS) and turbine air motors for propellers
– Engine simulation
– Propeller testing
– Acoustic measurements
– Environmental tests mainly on models of ships, trucks and building structures
– Air exhaust simulation with compressed air
– Air intake surveys

Main technical characteristics

Auxiliary systems:

  • Compressed air supply with a capacity of 5 kg/s continuously at 80 bar
  • Remotely controlled y-z traversing system
  • Vacuum system
  • Ground board for simulation of ground effects
  • Tangential blowing for test section boundary layer re-energizing
  • Microphone wall array
Operational Capacity

Reynolds Number:
Mach / Maximum Velocity: 80 m/s
Maximum Mass Flow: 5 kg/s
Maximum Temperature & Preassure:
Duct Diameter / Test Section Dimensions:
6,75 m²; (3,0 m x 2,25 m with turntables in top and bottom wall for 2D testing;) (3,0 m x 2,25 m with overhead balance for 3D testing;).
Model support
– Six-component overhead balance with wire suspension on strut for 3D
models
– Sting support for models with internal balances
– Wall support for (half) models

Contact Information

Henri Vos henri.vos@dnw.aero

dnw.aero/
Marknesse (Netherlands)
EREA

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