Wind tunnel C: building aerodynamics

Performance Data

Closed test section Characteristic data (open / closed)
Cross section of test sectiont 1.8m * 2.7m
Contraction ratio 2.11 : 1
Test section length 21m
Maximum power 210kw
Maximum velocity 5 / 30m/s
Quality of flow
Turbulence intensity Tux=Tuy=Tuz < 0.5%
Angle divergence Δα = Δβ < 0.50
Static pressure deviation Δp/q∞ ≤ 0.5%
Temporal speed non-uniformity U∞ ≤ 10m/s: ΔU∞ ≤ 1.5%
U∞ > 10m/s: ΔU∞ ≤ 1.0%
Spatial speed non-uniformity U∞ ≤ 10m/s: ΔU∞ ≤ 1.5%
U∞ > 10m/s: ΔU∞ ≤ 1.0%

Cross Section