Measurement of airfoils in a wind tunnel

VP1.8.7.1
Measurement of airfoils in a wind tunnel
Measurement of airfoils in a wind tunnel

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Description

In the experiment P1.8.7.1, the air resistance fW and the lift FA 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, FW is graphed as a function of FA 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 FW / FA at a given angle of attack α.

Components of equipment sets

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

Experiment Instructions

PDF (Experiment description) PDF (Experiment description) P1.8.7.1 Measurement of airfoils in a wind tunnel
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