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New test section for icing test equipped in FL-61 wind tunnel
In August 2019, the 0.6m×0.6m continuous transonic wind tunnel, FL-61 wind tunnel, was newly equipped with one 1.2m(width)×0.6m(height) test section for icing research and testing.
The flow field of this new test section was well calibrated and is in accordance with the SAE ARP 5905. With this new test section, icing test was performed for one domestic customer in September, 2019.
The performance specifications of the FL-61 wind tunnel relevant with icing test are as follows:
①Liquid water content (LWC)：0.2 to 3g/m³;
②Drop size and median volume diameter (MVD)：15to 50μm、max to 100μm;
③Cloud uniformity, LWC:±20 percent;
④Test section temperature: -40℃ to 5℃, Temperature rate:1℃/min;
-30℃ to 5℃, accuracy: ±0.5℃;
-40℃ to -30℃, accuracy: ±2℃
⑤Pressure Altitude: max to7000m, accuracy: ±50m;
Control rate: 150 to 200m/min;
⑥Spray operation time: Spray at least continuously 60min;
⑦Bleed Hot Air Supply system: Temperature: max to 400℃, accuracy:±5℃;
Mass flow:0.01 to 0.1kg/s, accuracy: 2g/s;
Pressure: max to 0.4MPa, accuracy: 005Mpa;
Sustainable gas supply.
1.2m(width)×0.6m(height) test section