AF18 - Experiment

AEROFOIL WITH TAPPINGS

An experimental module for use with the AF10 Air Flow Bench to provide the facilities for investigating the pressure distribution around an aerofoil.

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Description

AEROFOIL WITH TAPPINGS

This module consists of a duct with transparent front and rear, between which is mounted a symmetrical aerofoil with a NACA profile. The aerofoil has 12 tapping points at various chordwise positions on its surface allowing the pressure to be measured at that point. The tapping points are permanently connected to a manifold mounted on the duct showing the tapping position and number for easy reference.

The experiment mounts on the Air Flow Bench contraction using toggle clamps. Each one of the tappings connects to the AF10a manometer (ancillary) via flexible tubes fitted with quick-release couplings. The aerofoil may be accurately rotated to various angles of incidence (attack) to the air using the control and printed scale on the front of the duct.

Learning outcomes

  • The visualisation and measurement of the pressure distribution around an aerofoil section.
  • Lift characteristics and stall angle of an aerofoil.
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Essential Base Units
Essential Ancillaries
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