Aerodynamic theory and test of strut forms. Part I (1930)
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133 AERODYNAMIC THEORY AND TEST OF STRUT FORMS which decomposes into two equations, S=<1+f|?) (10) The same transformation flattens circles, concentric with the map circle r=6, into ellipses and distorts their radii into hyperbolas, the ellipses and hyperbolas being focused at the ends of the line… … Figure 8.—Confonnal transformation of map circle, r—b, and its potential field into the straight line 44 and Its potential field For a uniform stream crossing a solid cylinder r=b, the sfxeamlines, const, graded from the circle r = 6, in the f plane, become transformed into straight parallel lines…
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