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3241.CQ11 Solution

# 3241.CQ11 Solution - MAE 3241 Aerodynamics and Flight...

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Unformatted text preview: MAE 3241: Aerodynamics and Flight Mechanics Name: ~33 047/ 773%) February 25, 2005 Concept Quiz #11 Consider a tectanguiar wing with an NACA 0009 airfoil spanning the test section of a wind tunnel (we say spanning the entire test section to indicate that the wing has no ends, or no wingtips, which in turn means there are no end effects and the wing can be treated as an ‘inﬁnite wing’) The test section airﬂow is at standard sea—level conditions with a velocity of SO mfs (~110 MPH)“ The wing is at an angle of attack of 4", and the wind tunnel force baiance measures a lift of 100 NA 1. Without looking at a picture of this airfoil, what is the camber of this aii‘foii? 27572 a % Cﬂ/nggz ﬂ/ﬂéﬁ ﬂﬂgry/ p 7127/(Ag/ art 2. What is the maximum thickness of this airfoil as a percentage of chord? 0 D 7 / 3“ What is the area of the wing? z 27 [4 Z777?” ”‘“ 27’(’_€__ ”T” J 9/9 {/(g/rn /2f(...g, ...
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