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 Collection: Technical Report Archive and Image Library
Some effects of mass ratio on the transonic flutter characteristics of untapered 45 degree sweptback wings of aspect ratios 2 and 3.5

Some effects of mass ratio on the transonic flutter characteristics of untapered 45 degree sweptback wings of aspect ratios 2 and 3.5

Date: June 24, 1958
Creator: Kelly, H Neale
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Some effects of nonlinear variation in the directional-stability and damping-in-yawing derivatives on the lateral stability of an airplane

Some effects of nonlinear variation in the directional-stability and damping-in-yawing derivatives on the lateral stability of an airplane

Date: January 1, 1951
Creator: Sternfield, Leonard
Description: A theoretical investigation has been made to determine the effect of nonlinear stability derivatives on the lateral stability of an airplane. Motions were calculated on the assumption that the directional-stability and the damping-in-yawing derivatives are functions of the angle of sideslip. The application of the Laplace transform to the calculation of an airplane motion when certain types of nonlinear derivatives are present is described in detail. The types of nonlinearities assumed correspond to the condition in which the values of the directional-stability and damping-in-yawing derivatives are zero for small angle of sideslip.
Contributing Partner: UNT Libraries Government Documents Department
Some effects of nonlinear variation in the directional-stability and damping-in-yawing derivatives on the lateral stability of an airplane

Some effects of nonlinear variation in the directional-stability and damping-in-yawing derivatives on the lateral stability of an airplane

Date: November 1, 1950
Creator: Sternfield, Leonard
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Some effects of propeller operation and location on ability of a wing with plain flaps to deflect propeller slipstreams downward for vertical take-off

Some effects of propeller operation and location on ability of a wing with plain flaps to deflect propeller slipstreams downward for vertical take-off

Date: January 1, 1955
Creator: Draper, John W & Kuhn, Richard E
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Some effects of propeller operation on the distribution of the load on the vertical tail surface of a typical pursuit airplane

Some effects of propeller operation on the distribution of the load on the vertical tail surface of a typical pursuit airplane

Date: March 1, 1944
Creator: Dingeldein, Richard C
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Some effects of rainfall on flight of airplanes and on instrument indications

Some effects of rainfall on flight of airplanes and on instrument indications

Date: April 1, 1941
Creator: Rhode, Richard V
Description: Several possible effects of heavy rain on the aerodynamic performance of an airplane and of heavy rain and associated atmospheric phenomena on the indications of flight instruments are briefly considered. It is concluded that the effects of heavy rain on the performance of an airplane are not so great as to force the airplane down from moderate altitudes. Serious malfunctioning of the air-speed indicator may occur, however, as a result of flooding of the pitot-static head and subsequent accumulation of water in the air-speed pressure line. In strong convective situations, like thunderstorms, the rate-of-climb indicator may also be seriously in error owing to rapid variations of atmospheric pressure when entering and emerging from the convection currents.
Contributing Partner: UNT Libraries Government Documents Department
Some Effects of Rapid Inlet Pressure Oscillation on the Operation of a Turbojet Engine

Some Effects of Rapid Inlet Pressure Oscillation on the Operation of a Turbojet Engine

Date: January 1, 1958
Creator: Russey, Robert E. & Lubick, Robert J.
Description: A program was conducted in an altitude facility at the NACA Lewis laboratory to investigate the effects of rapid inlet pressure oscillations on the operation of a current turbo jet engine. These pressure oscillations were approximately sinusoidal in form and were generated to cover a frequency range of 2 to 75 cycles per second and an amplitude range of 10 to 70 percent of the free-stream total pressure. As the oscillation progressed through the compressor, the amplitude was attenuated considerably and a relatively large phase shift (lag) occurred. Engine stall limits obtained during pressure oscillations differed from quasi-steady-state stall limits as defined by over-all compressor pressure ratio.
Contributing Partner: UNT Libraries Government Documents Department
Some effects of Reynolds and Mach numbers on the lift of an NACA 0012 rectangular wing in the NACA 19-foot pressure tunnel

Some effects of Reynolds and Mach numbers on the lift of an NACA 0012 rectangular wing in the NACA 19-foot pressure tunnel

Date: May 1, 1943
Creator: Muse, Thomas C
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Some effects of Reynolds number on the stability of a series of flared-body and blunted-cone models at Mach numbers form 1.62 to 6.86

Some effects of Reynolds number on the stability of a series of flared-body and blunted-cone models at Mach numbers form 1.62 to 6.86

Date: January 7, 1958
Creator: Kehlet, Alan B
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Some effects of Reynolds number on the stability of a series of flared-body and blunted-cone models at Mach numbers from 1.62 to 6.86

Some effects of Reynolds number on the stability of a series of flared-body and blunted-cone models at Mach numbers from 1.62 to 6.86

Date: January 7, 1958
Creator: Kehlet, A. B.
Description: None
Contributing Partner: UNT Libraries Government Documents Department