DNW-TWG (Transonic Wind Tunnel)

RI-125
Wind Tunnel
DNW Foundation
Description

Closed circuit, continuous, sub-, trans- and supersonic wind tunnel with three exchangeable test sections.

Typical tests:

– 2D airfoil tests with flow control devices (e.g. vortex generators, suction, blowing, ventilation, trailing edge devices, MEMs), helicopter blades
– Configuration studies, data set determination of 3D models (missiles, fighters, spacecraft).
– Air intake surveys for fighters and missiles
– Drag bookkeeping with through-flow ducts
– Dynamic tests: free and forced pitch oscillation of dynamically scaled flexible 2D and half-models; flutter and limit cycle oscillation; dynamically linked substructures (nacelle, flap); forced and free-to-roll maneuvers
– Air data system and probe calibration

Operational Capacity

Reynolds Number: max. 1.800.000
Mach / Maximum Velocity: 0,3 – 2,2
Maximum Temperature & Preassure: 293 K – 315 K
Duct Diameter / Test Section Dimensions: 1 m²;
(1 m x 1 m with adaptive walls;)
(1 m x 1 m with perforated walls;)
(1 m x 1 m with flexible Laval nozzle;)
Model support
– Sword with integrated roll support
– Remotely controlled roll adapters
– Dynamic roll adapter
– Remotely controlled static and dynamic 2D/half-model supports

Contact Information

Henri Vos henri.vos@dnw.aero

dnw.aero/
Göttingen (Germany)
EREA

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