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  Partner: UNT Libraries Government Documents Department
 Decade: 1950-1959
 Year: 1956
 Serial/Series Title: NACA Technical Notes
 Collection: National Advisory Committee for Aeronautics Collection
The accuracy of the substitute-stringer approach for determining the bending frequencies of multistringer box beams

The accuracy of the substitute-stringer approach for determining the bending frequencies of multistringer box beams

Date: April 1, 1956
Creator: Davenport, William W
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Aerodynamic characteristics and flying qualities of a tailless triangular-wing airplane configuration as obtained from flights of rocket-propelled models at transonic and supersonic speeds

Aerodynamic characteristics and flying qualities of a tailless triangular-wing airplane configuration as obtained from flights of rocket-propelled models at transonic and supersonic speeds

Date: November 1, 1956
Creator: Mitcham, Grady L; Stevens, Joseph E & Norris, Harry P
Description: A flight investigation of rocket-powered models of a tailless triangular-wing airplane configuration was made through the transonic and low supersonic speed range at the Langley Pilotless Aircraft Research Station at Wallops Island, Va. An analysis of the aerodynamic coefficients, stability derivatives, and flying qualities based on the results obtained from the successful flight tests of three models is presented.
Contributing Partner: UNT Libraries Government Documents Department
Aerodynamic investigation of a parabolic body of revolution at mach number of 1.92 and some effects of an annular supersonic jet exhausting from the base

Aerodynamic investigation of a parabolic body of revolution at mach number of 1.92 and some effects of an annular supersonic jet exhausting from the base

Date: September 1, 1956
Creator: Love, Eugene S
Description: An aerodynamic investigation of a slender pointed parabolic body of revolution was conducted at Mach number of 1.92 with and without the effects of an annular supersonic jet exhausting from the base. Measurements with the jet inoperative were made of lift, drag, pitching moment, base pressures, and radial and axial pressures. With the jet in operation, pressure measurements were made over the rear of the body with the primary variables being angle of attack, ratio of jet velocity to stream velocity, and ratio of pressure at jet exit to stream pressure.
Contributing Partner: UNT Libraries Government Documents Department
Aerodynamic mixing downstream from line source of heat in high-intensity sound field

Aerodynamic mixing downstream from line source of heat in high-intensity sound field

Date: August 1, 1956
Creator: Mickelson, William R & Baldwin, Lionel V
Description: Theory and measurement showed that the heat wake downstream from a line source is displaced by a transverse standing sound wave in a manner similar to a flag waving in a harmonic mode. With a 147 db, 104 cps standing wave, time-mean temperatures were reduced by an order of magnitude except near the displacement-pattern nodal points. The theory showed that a 161 db, 520 cps standing wave considerably increased the mixing in both the time-mean and instantaneous senses.
Contributing Partner: UNT Libraries Government Documents Department
An air-flow-direction pickup suitable for telemetering use on pilotless aircraft

An air-flow-direction pickup suitable for telemetering use on pilotless aircraft

Date: October 1, 1956
Creator: Ikard, Wallace L
Description: A vane-type air-flow-direction pickup is described which is suitable for telemetering angle-of-attack and angle-of-sideslip data from rocket-propelled pilotless aircraft models. Test results which are presented show that the device performs well under high accelerations and is stable throughout a Mach number rage from subsonic to above a Mach number of 2.5.
Contributing Partner: UNT Libraries Government Documents Department
Analysis and comparison with theory of flow-field measurements near a lifting rotor in the Langley full-scale tunnel

Analysis and comparison with theory of flow-field measurements near a lifting rotor in the Langley full-scale tunnel

Date: April 1, 1956
Creator: Heyson, Harry H
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Analysis of a spin and recovery from time histories of attitudes and velocities as determined for a dynamic model of a contemporary fighter airplane in the free-spinning tunnel

Analysis of a spin and recovery from time histories of attitudes and velocities as determined for a dynamic model of a contemporary fighter airplane in the free-spinning tunnel

Date: April 1, 1956
Creator: Scher, Stanley H
Description: None
Contributing Partner: UNT Libraries Government Documents Department
An analysis of airspeed, altitude, and acceleration data obtained from a twin-engine transport airplane operated over a feeder-line route in the Rocky Mountains

An analysis of airspeed, altitude, and acceleration data obtained from a twin-engine transport airplane operated over a feeder-line route in the Rocky Mountains

Date: October 1, 1956
Creator: Copp, Martin R & Fetner, Mary W
Description: Time-history data of airspeed, altitude, and acceleration obtained with the NACA VGH recorder from a twin-engine airplane operated by a regional feeder airline in the Rocky Mountains are evaluated to determine the magnitude and frequency of occurrence of gusts and gust accelerations and the operating airspeeds and altitudes. The results obtained are compared with the results previously obtained from a representative short-haul and long-haul operation.
Contributing Partner: UNT Libraries Government Documents Department
An analysis of buzzing in supersonic ram jets by a modified one-dimensional nonstationary wave theory

An analysis of buzzing in supersonic ram jets by a modified one-dimensional nonstationary wave theory

Date: July 1, 1956
Creator: Trimpi, Robert L
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Analysis of elastic thermal stresses in thin plate with spanwise and chordwise variations of temperature and thickness

Analysis of elastic thermal stresses in thin plate with spanwise and chordwise variations of temperature and thickness

Date: November 1, 1956
Creator: Mendelson, Alexander & Hirschberg, Marvin
Description: None
Contributing Partner: UNT Libraries Government Documents Department
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