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VDAS AF1300R - Experiment

Flutter Wing

An aerofoil suspended on springs within a frame, used to demonstrate wing flutter. The suspension positions of the wing can be altered, as can the angle of attack.

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Description

Flutter Wing

Wing flutter is a complex event that arises from a combination of forces. Dynamic, fluid and structural forces all combine to create an unstable reaction. Although not restricted to just wings it is most commonly associated with wings. Due to its highly complex nature it is often misunderstood. It is a type of resonance, when, if the combined forces approach a particular (resonant) frequency, the induced amplitudes grow and can easily cause the wing to break.

The aerofoil suspended on springs within a frame is a NACA 0015 profile. At both ends of the aerofoil are mounting places that allow you to increase the angle of attack. String tethers are in place to limit amplitude during extreme oscillations to protect the aerofoil from damage.

Learning outcomes

  • Understand the instability that wing flutter causes using an aerofoil that is suspended within a frame
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  • Flutter Wing

    Flutter Wing Experiment

  • Flutter Wing

    Product Overview - Flutter Wing

  • Flutter Wing

    Experiment Overview - Flutter Wing
Essential Base Units
SUBSONIC WIND TUNNEL 305 mm Package Af1300S 0618

SUBSONIC WIND TUNNEL 305 mm

VDAS AF1300S - Package

A starter set consisting of the Subsonic Wind Tunnel 305 mm (AF1300), Basic Lift and Drag Balance (AF1300z) and a set of Three-Dimensional Drag Models (AF1300j).

Recommended Ancillaries
Balance Angle Feedback AFA4 1204

BALANCE ANGLE FEEDBACK UNIT

AFA4 - Ancillary

Compact instrument that fixes to the Three Component Balance (AF1300T). It measures the angle positions of models mounted in the balance and feeds the information directly to the Versatile Data Acquisition System (VDAS®).

Differential pressure transducer AFA5 0804

DIFFERENTIAL PRESSURE TRANSDUCER

AFA5 - Ancillary

Digital differential pressure measurement and display unit for use with TecQuipment’s Subsonic Wind Tunnel (AF1300).

Afa7 Pitot Static Traverse

PITOT STATIC TRAVERSE (DIGITAL)

AFA7 - Ancillary

A traversing Pitot static tube with electronic position measurement for use with TecQuipment’s Subsonic Wind Tunnels (AF1300, AF1300s, AF1600s).

Essential Ancillaries
THREE COMPONENT BALANCE Af1300T

THREE COMPONENT BALANCE

AF1300T - Ancillary

Supports wind tunnel models in the AF1300 Subsonic Tunnel and measures their lift, drag and pitching moment.

Alternatives
Drag Force Af12 0404

DRAG FORCE

AF12 - Experiment

Allows students to investigate the direct and indirect measurement of drag on various shapes and to calculate and analyse the drag coefficient by different methods.

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