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Basic performance


Specification Table
ItemSpecifications
TunnelGettingen Type Single Return Wind Tunnel
Test SectionsOpen TypeClosed type
Width & Height3.0mW x 2.5mH5.0mW x 3.0mH
Length8 m20 m
Maximum Wind Velocity400 km/h300 km/h
Contraction Ratio16:18:1
Uniformity of Wind VelocityUnder±0.7% at 324km/h(90m/s)Under±0.4% at 288km/h(80m/s)
Turbulence IntensityUnder 0.2% at 360km/h(100m/s)Under 0.2% at 198km/h(55m/s)
Background Noise Level75db(A) at 300km/h(83.3m/s)------
Overall DimensionsLength:94m, Width:42m, Height:10m, Total Path Length:288m
FanDiameter:5m, Blades:Moving Blades12, Stator Blades 17,
Rotation:590rpm(maximum), Tracion Motor:7MW, Three Phase Inducion Motor

Plane View
Plane view