Question: Question 1 ( 2 parts a , b ) : Two rectangular wings are made for a test in a wind tunnel at 0 angle
Question parts a b:
Two rectangular wings are made for a test in a wind tunnel at angle of attack. One wing has a NACA cross section, and the other is composed of a NACA The flow conditions are such that the Reynolds Number per meter ie is You may ignore compressibility effects and assume that boundary layer flow transition occurs at a critical Reynolds Number of
a For the two D wings, assuming they have the same chord & span, which wing has greater: pressure drag, skin friction drag, & induced drag? Explain your reasoning. You don't need to calculate anything
b ou insert the NACA wing within a cylindrical fuselage to create an aircraft model such that of the wing area is imbedded within the fuselage. Determine the profile drag coefficient of the wing of this aircraft if the chord length is m You may consult Fig. in your estimation.
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