N.A.C.A. Technical Memorandum Ho. 902 8 A vr(r,cp) = - — AE 2 (L) sinXn(cp - 8) (r> S) 2ttE 3R X=i ^E / ~.-n oo , _ .. Xn — i A vr(r,cp) = - — — AE Z (- J sin Xn(cp - 6) (r<E) r ^ 2ttE BE a=i Ve y We shall denote the inner blade radius by r^ and the outer by rQ (fig. 3). The velocities produced by… … r *In the later computations the velocities always occur mul- tiplied by r. The series in equations (7) and (8) may be summed. P. Staufer (Wasserkraft u. "tasserwirtsch. 31 (1936) p. 212) has also replaced the blades by vortex distributions and worked with the finite expressions. This…
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