Cambered valve leaflets that maximize initial rate of closure
E. O. Tuck a1, A. Helfgott a2andR. W. Yeung a3 a1 University of Adelaide, South Australia 5001 a2 Flinders Medical Centre, South Australia 5042 a3 Massachusetts Institute of Technology, Cambridge, MA 02139, U.S.A.
Camber distributions are chosen for airfoils of zero thickness that maximize the angular velocity induced by a sudden decrease in free-stream velocity. Those optimal shapes that are in equilibrium in steady forward flow are also neutrally stable in that position.
(Published Online April 20 2006) (Received July 27 1981) (Revised December 15 1981)