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Measurement of airfoils in a wind tunnel

Measurement of airfoils in a wind tunnel

VP1.8.7.1

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Description

In the experiment P1.8.7.1, the air resistance f_W and the lift F_A of an airfoil are measured as a function of the angle of attack α of the airfoil against the direction of flow. In a polar diagram, F_W is graphed as a function of F_A with the angle of attack α as the parameter. From this polar diagram, we can read e. g. the optimum angle of attack.
In the experiment, the students also perform comparable measurements on airfoils of their own design. The aim is to determine what form an airfoil must have to obtain the smallest possible quotient F_W / F_A at a given angle of attack α.

Components of equipment sets

1	37312 8	Wind tunnel
1	373041 8	Suction and pressure fan
1	373075 8	Measurement trolley for wind tunnel
1	37308 8	Aerodynamics accessories 2
1	37314 4	Sector dynamometer, 0.65 N

Experiment Instructions

PDF (Experiment description)

P1.8.7.1 Measurement of airfoils in a wind tunnel

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Measurement of airfoils in a wind tunnel

Description

Components of equipment sets

Experiment Instructions

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