This preview shows pages 1–2. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
Unformatted text preview: of w . d) What is the advantage of Fying in such fomation? Now let the middle bird move ahead of the other two by a distance d and model the threebird system with a single vortex line (made up of straight segments with a few right angles between them). or convenience dene r d/b . e) Sketch the new vortex line. f) Show that the downwash at the midspan of the middle bird is w M = p 1 3 + 1 2 4 + r21 6 4 + 9 r2 P w and that the downwash at the midspan of the left and right birds is w L = w R = p 3 51 4 4 + r2 + 1 12 4 + 9 r2 P w g) Using a computer, ON THE SAME PAGE, plot w M /w vs. r and w L /w vs. r . h) What is the advantage of this formation with respect to the previous one? November 8, 2011 2 Figure 1: Bird models...
View
Full
Document
This note was uploaded on 12/02/2011 for the course ENGR 521 taught by Professor Bon during the Fall '11 term at Wisc Green Bay.
 Fall '11
 Bon
 Dynamics, Aerodynamics

Click to edit the document details