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Large Wind Tunnel (GroWiKa)

"GroWiKa" is the short form for "großer Windkanal" (big wind-tunnel) and indeed, the GroWiKa is the biggest low-speed wind-tunnel in the region Berlin/Brandenburg.

CAD-Modell des GroWiKa
Großer Windkanal (GroWiKa) in der Halle des HFI
PKW-Modell im GroWiKa. Strömungssichtbarmachung mit Fäden.
Die 6-Komponenten Waage erfasst alle Kräfte und Momente am umströmten Körper


  • Closed-Circuit wind tunnel
  • Cross-Section of Test Sections:
    • Small: 2 m x  1.4 m
    • Large: 4.20 m x 4.2 m
  • Length of Test Sections:
    • Small: 5 m, 7.5 m or 10 m
    • Large: 2.5 m or 5.0 m
  • max. Velocity: 
    • Small section: 70 m/s
    • Large Section: 11.0 m/s
  • Contraction: 6.25 : 1
  • Power: 450 kW
  • Settling Chamber:
    • Cross-Section: 4.2 m x 4.2 m
    • Length: 5 m
  • External 6-Component balance for precise measurement of all aerodynamic forces and moments on bodies in flow fields


  • Investigation of the propagation of emissions gases
  • Determination of forces acting on bodies in flows
  • Determination of flow patterns around buildings
  • Measurement of flow parameters
  • Investigation of flow transitions
  • Control of turbulent flows

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