Wind Tunnel A: Large-model Wind Tunnel

Performance Data

Open / Closed test section Characteristic data (open/closed)
Cross section of test section 1.80m * 2.40m
Contraction ratio 7 : 1
Test section length 4.80m
Maximum power 420kw
Maximum velocity 65 / 75m/s
Quality of flow
Turbulence intensity Tux=Tuy=Tuz< 0.4% / < 0.2%
Angle divergence Δα = Δβ < 0.20
Static pressure deviation Δp/q∞ ≤ 0.4%
Temporal speed non-uniformity
x = 1.5m, r ≤ 0.8m
U∞ ≤ 20m/s: ΔU∞ ≤ 0.12m/s
U∞ > 20m/s: ΔU∞ ≤ 0.0067 U∞
Spatial speed non-uniformity
x = 1.5m, r ≤ 0.8m
U∞ ≤ 20m/s: ΔU∞ ≤ 0.12m/s
U∞ > 20m/s: ΔU∞ ≤ 0.0067 U∞
Reynolds number (10% blockage) 2.77 * 106
Rolling-Road System
Distance of rollers 4.53 m
Width of belt 1.39 m
Power rating of driving motor 101 kW
Max. speed of belt 50 m/s
Accuracy of speed control 0.1 m/s
Material of belt Polyester-based

Cross Section

Equipment

Testsection

Equipment