Trailing edge splitter

Details Trailing edge splitter Trailing edge splitter

1992-01-21

1993-11-30

Barefoot, Galen

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

244215, 244130, 244198, B64C 328

Patent

active

052658309

ABSTRACT:
A plate projecting in an aft direction from the blunt trailing edge of a wing. The plate extends across the span of the trailing edge, and may be either planar or curved in the spanwise direction. The plate is canted to form an acute depression angle with respect to a collinear extension of the chord line of each chordwise cross section of the wing. The depression angle may vary across the span of the trailing edge. The height location of the plate relative to the trailing edge thickness may also vary in a spanwise direction. The length of the plate may be anywhere from 0.5 to 2.0 times the thickness of the trailing edge.

REFERENCES:
patent: 2562227 (1951-07-01), Zobel
patent: 2572134 (1951-10-01), Gliwa
patent: 2802630 (1957-08-01), Birchill et al.
patent: 2869805 (1959-01-01), Marshall
patent: 3077173 (1963-02-01), Lang
patent: 3360221 (1967-12-01), Heskestad
patent: 3465990 (1969-09-01), Holland, Jr.
patent: 3706430 (1972-12-01), Kline et al.
patent: 4858852 (1989-08-01), Henne et al.
patent: 4867396 (1989-09-01), Wainfan
Edwin J. Saltzman and John Hintz, "Flight Evaluation of Splitter Plate Effectiveness in Reducing Base Drag at Mach Numbers from 0.65 to 0.90", NASA Technical Memorandum X-1376 (May 1976), pp. 1-21.

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