Correction of downwash in wind tunnels of circular and elliptic sections (1936)
NASA Technical Reports Server (NTRS) · leaf 38
Pigs. 23,29,30,33,34,35 N.A.C.A. Technical Memorandum No.801 Figures 28,29.. Transfor- mation of ellipse into rectangle. Images for- mation in … Figure u5.- Correction factor Figure 30.- Images of horseshoe vor- 60 for computation tex at thehoundrjr of the of "downwash" at the wing in closed tunnel of elliptic cross sec- closed elliptic tunnel. tion. Span equal to distance "between foci# 2p 1fl Figure 34.- For computing the mean value of…
NASA Technical Reports Server (NTRS)
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