MAE 3241 Hmk 6

# MAE 3241 Hmk 6 - and the other negative To help answer this question compare Figure 5.11 and 5.12 Question 2 As derived in class and in Section

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MAE 3241: Aerodynamics and Flight Mechanics Assigned: April 18, 2011 Homework #6 Due: April 27, 2011 Complete the following problems from Fundamentals of Aerodynamics : 5.3 5.4 5.5 5.6 5.7 Note: Problems 5.6 and 5.7 make use of the Helmbold and Kuchemann equations given in the Design Box on page 442. Also complete the following questions: Question 1: In order to transform Equation 5.33 into Equation 5.34, Anderson uses the coordinate transformation: θ cos 2 b y = d b dy sin 2 - = Later when considering the general lift distribution in Section 5.3.2, Anderson transforms Equation 5.31 into 5.47 using the transformation cos 2 b y - = Why do Sections 5.3 and 5.3.2 use similar coordinate transformations, yet one is positive
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Unformatted text preview: and the other negative? To help answer this question, compare Figure 5.11 and 5.12. Question 2: As derived in class and in Section 5.3.1 of Anderson, an elliptic wing has a constant downwash below the wing span. What is the downwash outboard of the wing tip, but still inline with the wing (i.e. at x = 0)? Question 3: Solve this problem using MATLAB A thin wing has an aspect ratio of 10 and a taper ratio (tip chord / root chord) of 0.8. Compute, using 4 terms in the expansion, the spanwise efficiency factor, e. Extra Credit: Using the Biot-Savart law 5.1 5.2 1...
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## This note was uploaded on 02/11/2012 for the course MAE 3241 taught by Professor Staff during the Spring '11 term at FIT.

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