Airfoil noise control

Details Airfoil noise control Airfoil noise control

1994-07-21

1997-03-25

Kashnikow, Andres

Aeronautics and astronautics

Miscellaneous

244204, 244210, B64C 2102, B64C 914, B64C 922

Patent

active

056136498

ABSTRACT:
Acoustic noise resulting from the interaction of a periodic pressure and velocity fluctuation induced by a periodically passing blade wake interacting with a downstream airfoil (10)is attenuated by locating an antisymmetric pressure wave generator (30) adjacent the leading edge (18) of the vane (10).

REFERENCES:
patent: 1918536 (1933-07-01), Griswold, 2D
patent: 2173832 (1939-09-01), Fahrney
patent: 2340417 (1944-02-01), Ellett
patent: 2988302 (1961-06-01), Smith
patent: 3093350 (1963-06-01), Wilkins
patent: 3174282 (1965-03-01), Harrison
patent: 3521837 (1970-07-01), Papst
patent: 4664345 (1987-05-01), Lurz
patent: 4749150 (1988-06-01), Rose et al.
patent: 5141182 (1992-08-01), Coffinberry
patent: 5291672 (1994-03-01), Brown
patent: 5348256 (1994-09-01), Parikh
patent: 5423658 (1995-06-01), Pla et al.
Simonson, "Reduction of Fan Noise" NASA Tech Brief Jul. 1972 B72-10040.
Paper entitled "Active Control of Wake-Airfoil Interaction Noise by Compact Leading-Edge Actuators"; author, E.J. Kerschen; unpublished.

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