Hit enter to search or ESC to close
EREA
  • About
    • About EREA
    • Members
    • Organisation
    • EREA in Flightpath 2050
    • Events
    • Position Papers
    • Publications
    • Vacancies
    • Contact us
  • Capabilities
  • Technology Infrastructures
    • TRIG
    • Catalogue
  • European Cooperation
  • Future Sky
  • News
  • Intranet

DNW-KKK (Cryogenic wind tunnel)

RI-126
Wind Tunnel
Infrastructure
DLR
Description

Continuous low-speed wind tunnel, closed circuit, with a closed wall test section. Operation either at ambient temperature or cooled down by injection of liquid nitrogen.

Main technical characteristics

Low-speed wind tunnel (Typical tests

– 2D airfoil tests with high-lift and flow control devices (flaps, slats, vortex generators,

trailing edge devices)

– Wind rotor blades

– Half-model tests of transport aircraft in high-lift configurations

– Surface vehicles (trains, trucks)

– Probe calibration, function and reliability tests)

• Reynolds no. maximum in [10^6 m/m]: 10.
• Sword with integrated roll support
• Half-model and surface vehicle support with under-floor balance
• Half-model support with tangential blowing at synchronized turntables
• Ground Vehicle Testing: For the aerodynamic analysis and design of ground
vehicles like cars, trucks and trains Reynolds number effects can be significant.
• Automobile models at 1:5 scale can be tested at the original Reynolds number.
Trains are tested on the half model support; the scale is normally restricted to 1:20, in order to fit the model to the tunnel lift system and to allow reasonable angles of sideslip

Operational Capacity

Reynolds Number: 9.500.000 (Re0.1 √(S))
Mach / Maximum Velocity: 0,38
Maximum Temperature & Preassure: 27 °C (300 K; or cooled down by injection of liquid nitrogen)
Duct Diameter / Test Section Dimensions: 5,7 m2 (2,4 m x 2,4 m closed-wall test section)

Contact Information

christophe.hermans@dnw.aero

dnw.aero/
Cologne (Germany)
  • Previous PostBattery Pilot Line

  • Next PostDNW-HST (Transonic Wind Tunnel)

Contact          Privacy Policy          Disclaimer

© 2023 EREA.

  • About
    • About EREA
    • Members
    • Organisation
    • EREA in Flightpath 2050
    • Events
    • Position Papers
    • Publications
    • Vacancies
    • Contact us
  • Capabilities
  • Technology Infrastructures
    • TRIG
    • Catalogue
  • European Cooperation
  • Future Sky
  • News
  • Intranet
EREA