Book Review by L. Carr and M. Chandrasekhara of Schlieren photographic studies of dynamic stall
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The report describes stroboscopic Schlieren photographic observations of flows of air around an airfoil oscillating sinusoidally about a fixed angle of attack. This Is one in a continuing series of studies of the effects of compressibility on dynamic stall - studies motivated by previous observations that an airfoil can be made to produce greater lift by oscillating it through a range that Includes angles of attack greater than the static stall angle but that compressibility significantly affects dynamic stall and can result In a net reduction in lift.
This work was done by L. Carr of Ames Research Center and M. Chandrasekhara of the Naval Pbstgraduate School. Further information may be found In A/AA paper 89A·25019, "Flow Visualization Studies of the Mach Number Effects on the Dynamic Stall of an Oscillating Airfoil."
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Pagenkopf, Eric L. (Monterey, California. Naval Postgraduate School, 1988);A Navier-Stokes problem solver, developed by L. N. Sankar, is modified to provide dynamic, interactive graphical presentations of predicted flow field solutions about a NACA-0012 airfoil section oscillating in pitch, in ...
Carr, L.; Chandrasekhara, M. (1989-01);A dynamic stall facility offering a unique new capability for studies of compressibility effects on dynamic stall is described. This facility features complete visual access by mounting the test airfoil between optical-quality ...
Carr, L.W.; Chandrasekhara, M.S. (American Institute of Aeronautics and Astronautics, Inc., 1992);A dynamic stall facility offering a unique new capability for studies of compressibility effects on dynamic stall is described. This facility features complete visual access by mounting the test airfoil between optical ...