WT277 (48 m/s) University of Split

Reference WT277

University of Split
In cooperation with Belmet97 the WT277 wind tunnel was built in the laboratory of the University of Split in Croatia. Its high contraction, the non-expanding corners as well as the long diffuser and the low degree of turbulence characterize the wind tunnel.

Highlights
  • High contraction ratio of 11
  • Non-expanding corners
  • Long diffuser
  • Very low turbulence level
  • Good price-performance ratio
                                               
WT277 Icon
Product description
Basic structure
The WT277 is made from a steel profile welded construction and galvanized sheet metal. The additional painting gives the wind tunnel an attractive appearance and protects it against corrosion. Large inspection manholes in all relevant segments make it easy to enter the inside of the wind tunnel.
Drive
A vibration-decoupled axial fan drives the WT277. It is mounted on spring vibration dampers. The fan is connected to the wind tunnel via flexible duct connectors. This ensures low-noise plant operation.
Flow preparation
The WT277 has non-expanding corners. The settling contains four screens with an optimal distance from one another. These non-split stainless steel screens are accessible via manholes for easy cleaning. A honeycomb straightener with a length-diameter ratio of 8: 1 further reduces the swirl of the flow. In a nozzle, whose nozzle geometry corresponds to a polynomial of the fifth order, the flow is prepared and any turbulence that may be present is suppressed.
Measurement
The measurement in the wind tunnel can be done both with an open and with a closed measuring section. The test section can be converted ergonomically via a flange connection to the nozzle. Both open and closed measuring sections can be equipped with a wind tunnel scale if required. The open measuring section has a flow collecting funnel to reduce the flow losses during the measurement. The inside of the closed test section can be seen through glass windows. The recording of flow characteristics using optical measurement methods, e.g. PIV (Particle Image Velocimetry) or LDA (Laser Doppler Anemometry) is possible without any problems.


Characteristics
Closed test section
Design type Closed loop, standing
Measuring cross section 600 x 600 mm
Measuring length 1500 mm
Top Speed
48 m/s
Turbulence level 0,4 %
Datasheet WT277 with closed test section

Open test section
Design type Closed loop, standing
Measuring cross section 600 x 600 mm
Measuring length 900
Top Speed
43 m/s
Turbulence level 0,8 %
Datasheet WT277 with open test section
                                                                                           

Photo gallery

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