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Subsonic Wind Tunnel

RI-005
Wind Tunnel
Infrastructure
INCAS
Description

The subsonic wind tunnel is a non-pressurized, closed circuit experimental installation which allows a wide range of tests for fluid mechanics or applied aerodynamics.

The characteristics of the tunnel are:
– Octagonal experimental chamber: 2.0 x 2.5 m
– Shrinkage ratio: 10: 1
– Maximum speed: 110 m / s
– Degree of turbulence: 1.11%
– Measuring system: external balance with 6 components
– Accuracy: 0.02% of scale on all components
Aeroacoustic tests can also be performed using an array of microphones that allows the detection of aerodynamic noise sources and characteristics.

The equipment balance is external pyramid type, allows the model to rotate by 180 degrees and allows the measurement of forces and moments (6 components). The pressure measuring capacity includes 4 x 48 gates for mechanical scanners, 1Psi translators and 4 x 16 gates digital channels (Scanivalve 1 PSI).

 

Main technical characteristics

• Maximum speed : 110 m/s
• 2.5m x 2.0m x 4m test section
• Usual Reynolds number up to 1.5 million, depending on the model.

Force Measurements
Force and moment measurements (up to six components) are made using the external pyramidal type six – component balance built by the British company TEM .

The capacities of the balance are shown below:

Lift: – 200 Kgf to +700 Kgf
Drag: – 100 Kgf to +200 Kgf
Side force: – 200 Kgf to +200 Kgf
Pitching moment: – 110 Kgfm to +110 Kgfm
Rolling moment: – 110 Kgfm to +110 Kgfm
Yawing moment: -110 Kgfm to + 110 Kgfm

Operational Capacity

Six polars per day, depending on the model’s complexity

Contact Information
Bucharest (Romania)
www.incas.ro/index.php?option=com_con...
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