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in creator/contributor: "Cook, Woodrow L."  
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A study of stall phenomena on a 45 degree swept-forward wing

Description: Report presenting an investigation to determine the underlying causes of the undesirable longitudinal characteristics of a 45 degree swept-forward wing in the moderate and high lift-coefficient range. Several methods were used to create a detailed correlation between separation phenomena and longitudinal characteristics of the wing. Both turbulent and leading-edge separation need to be postponed in order to improve the longitudinal characteristics of this wing.
Date: January 1949
Creator: McCormack, Gerald M. & Cook, Woodrow L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Effects of boundary-layer control on the longitudinal characteristics of a 45 degrees swept-forward wing-fuselage combination

Description: Report presenting an investigation to determine the benefits obtainable by applying boundary-layer control to a 45 degree swept-forward wing-fuselage combination. Force and pressure-distribution data were obtained with and without boundary-layer control with various combinations of leading-edge and trailing-edge flaps.
Date: February 2, 1950
Creator: McCormack, Gerald M. & Cook, Woodrow L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Effects of several leading-edge modifications on the stalling characteristics of a 45 degree swept-forward wing

Description: Report presenting an investigation to determine the effects of several leading-edge modifications on the maximum lift and pitching-moment characteristics on a large-scale 45 degree swept-forward wing. A full-span leading-edge flap deflected 30 degrees down tended to give the largest gain of maximum lift. Results regarding the plain leading-edge flaps and cambered nose are explored.
Date: June 14, 1949
Creator: McCormack, Gerald M. & Cook, Woodrow L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

The Use of Area Suction for the Purpose of Delaying Separation of Air Flow at the Leading Edge of a 63 Degree Swept-Back Wing: Effects of Controlling the Chordwise Distribution of Suction Air Velocities

Description: Report discusses the results of an updated investigation into the effectiveness of area suction when used to prevent air-flow separation at the leading edge of a 63 degree swept-back wing. This new report investigates the results of tests with chordwise distribution of the suction-air velocities controlled to give lower total-flow quantity requirements. The primary focus is the delay effected in air-flow separation and improvements made on aerodynamic characteristics of a wing with area suction… more
Date: January 14, 1952
Creator: Cook, Woodrow L. & Kelly, Mark W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

The Use of Area Suction for the Purpose of Improving Trailing-Edge Flap Effectiveness on a 35 Degree Sweptback Wing

Description: "An investigation was conducted to determine the effectiveness of suction applied through a porous area at the leading edge of the flap, on a 35 degree sweptback wing. Several chordwise extents and positions of area suction were tested for the suction flap deflected 55 degrees and 70 degrees. The results indicated that large increases in flap lift increment can be made by applying suction with very small flow quantities to an area near the leading edge of a flap" (p. 1).
Date: July 2, 1953
Creator: Cook, Woodrow L.; Holzhauser, Curt A. & Kelly, Mark W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Area-Suction Boundary-Layer Control as Applied to the Trailing-Edge Flaps of a 35 Degree Swept-Wing Airplane

Description: "A wind-tunnel investigation was made to determine the effects on the aerodynamic characteristics of a 35 degree swept-wing airplane of applying area-suction boundary-layer control to the trailing-edge flaps. Flight tests of a similar airplane were then conducted to determine the effect of boundary-layer control in the handling qualities and operation of the airplane, particularly during landing. The wind-tunnel and flight tests indicated that area suction applied to the trailing-edge flaps pro… more
Date: May 6, 1958
Creator: Cook, Woodrow L.; Anderson, Seth B. & Cooper, George E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

A preliminary investigation of the use of circulation control to increase the lift of a 45 degree sweptback wing by suction through trailing-edge slots

Description: Report presenting an investigation to determine the effectiveness of circulation control by applying suction through trailing-edge slots on a 45 degree sweptback wing. Various chordwise extents and depths of slot were investigated with and without deflection of a trailing-edge split flap. Results regarding the correlation of two-dimensional-section results with Ehlers' theory, effectiveness of circulation control on a sweptback wing, effect of slot configuration on circulation control, effect o… more
Date: December 14, 1954
Creator: Cook, Woodrow L.; Griffin, Roy N., Jr. & Hickey, David H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

The Use of Area Suction for the Purpose of Delaying Separation of Air Flow at the Leading Edge of a 63 Degree Swept-Back Wing

Description: "An investigation was conducted to determine the effectiveness of area suction used to delay the separation of air flow at the leading edge of a 63 degree swept-back wing. Changes in lift, drag, and pitching-moment data were correlated with the occurrence of the separation of the air flow by means of pressure-distribution data. It was found that the spanwise and the chordwise extent of area suction required to control leading-edge separation were in general agreement with that predicted by theo… more
Date: November 22, 1950
Creator: Cook, Woodrow L.; Griffin, Roy N., Jr. & McCormack, Gerald M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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