Salma Ahmed
English Lit. GCSE Student
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wind tunnel
- Words:
- 2022
- Submitted:
- Fri Apr 03 2009
- Mark submitted by Author:
Have a little read: ... In this experiment, it shows that the angle of attack of the aerofoil would affect the pressure around the foil. In a result, it generates a force which is perpendicular to the direction of the fluid (air) flow. When the angle of attack is negative, it produces a downward force and vice versa. However, when the angle of attack is over about 15o, the lift force starts to disappear. The tunnel speed (U) that measured is 20.25 m/s. The temperature(T) of the Lab is 19oC(292K) and the pressure(P) in the Lab is 1024 millibars (1024kPa). Introduction This experiment is to investigate how the static pressure changes around a symmetrical aerofoil with different angles of attack. When the angle of attack is zero, the path of the air flowing around the aerofoil and the pressure would be the same and so the normal force is zero. However when the angle of
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