he elliptical cylinder can be the semitubular cylinder (figs. 4 and 5) indicate that obtained from the equation the drag coefficient, when the concave surface is to the wind (a=180°), is approximately twice as large as Ag=1 (a+b)Y (reference 8, equation (14)) b4+(a2-b2)y2 when the convex surface is… … experimental results, also shown in figure 8, indicates Figure 6.—Variation In Cd0 with V/V, for the elliptical cylinders. T I "5. .U .6 S .a to i.2 3 4 5 6 7 6 jQS ^ 3 4 5 6 7 8 /0* Thickness Reynolds Number Chord Figure 7.—Variation in Ct>% with Reynolds Number for the elliptical cylinders.…
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