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Unformatted text preview: Spring 2004 Uniﬁed Engineering
Fluids Problems F5 F5. An experimentalist determines that the downwash velocity for a rectangular wing of
span b approximately obeys the relation
b2 a) Assuming w is constant across the span, determine how CDi depends on CL for this wing.
b) Determine the wing’s CL (�) relation, and compare its dCL /d� to the 2-D value of 2� .
Hint: Start with the relation CL = 2��eﬀ . ...
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This note was uploaded on 01/28/2012 for the course AERO 16.01 taught by Professor Markdrela during the Fall '05 term at MIT.
- Fall '05