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Flow and Drag Formulas for Simple Quadrics (1927)

NASA Technical Reports Server (NTRS) · leaf 12

An illustration from Flow and Drag Formulas for Simple Quadrics, 1927, leaf 12
9 FLOW AND DRAG FORMULAS FOR SIMPLE QUADRICS It rises from 0 at the nose to its maximum where whose graph, for a/6 =4, appears in Figure 8. p = 0, then falls to its minimum amidships. t—r~ 6 p 10 l- W/nd - Length in inches -Velocity and pressure along axes and over surface of endless elliptic… … Fig. 8.—Pressure and pressure-drag on endless elliptic cylinder. Graphs indicate theoretical values; circles indicate pressure p/p» measured at 40 miles per hour; crosses indicate pressure-drag D/pn computed from measured pressure Whatever the value of a/b, the whole pressure on the front half is…

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