Journal of Fluid Mechanics

Cambered valve leaflets that maximize initial rate of closure

E. O.  Tuck a1, A.  Helfgott a2 and R. 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.

Article author query
tuck eo   [Google Scholar] 
helfgott a   [Google Scholar] 
yeung rw   [Google Scholar] 


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)