| 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 |
