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  Partner: UNT Libraries Government Documents Department
 Decade: 1950-1959
 Year: 1957
 Collection: Technical Report Archive and Image Library
A theoretical and experimental study of boric oxide deposition on a surface immersed in an exhaust gas stream from a jet-engine combustor, including a method of calculating deposition

A theoretical and experimental study of boric oxide deposition on a surface immersed in an exhaust gas stream from a jet-engine combustor, including a method of calculating deposition

Date: October 8, 1957
Creator: Setze, Paul C
Description: None
Contributing Partner: UNT Libraries Government Documents Department
A theoretical and experimental study of planing surfaces including effects of cross section and plan form

A theoretical and experimental study of planing surfaces including effects of cross section and plan form

Date: March 1, 1957
Creator: Shuford, Charles L , Jr
Description: A summary is given of the background and present status of pure-planing theory. Data for models having sharp chines have been obtained for a rectangular flat plate and two V-bottom surfaces having constant angles of dead rise of 20 degrees and 40 degrees and also for rectangular-flat-plate surfaces having very slightly rounded chines. The theory presented in NACA Technical Note 3233 for a rectangular flat plate is revised and extended to include triangular flat plates planing with base forward and V-shaped prismatic surfaces having a constant angle of dead rise, horizontal chine flare, or vertical chine strips. The agreement between the results calculated by the proposed theory and the experimental data is satisfactory for engineering calculations of lift and center-of-pressure location.
Contributing Partner: UNT Libraries Government Documents Department
Theoretical calculation of the power spectra of the rolling and yawing moments on a wing in random turbulence

Theoretical calculation of the power spectra of the rolling and yawing moments on a wing in random turbulence

Date: January 1, 1957
Creator: Eggleston, John M & Diederich, Franklin W
Description: The correlation functions and power spectra of the rolling and yawing moments on an airplane wing due to the three components of continuous random turbulence are calculated. The rolling moments to the longitudinal (horizontal) and normal (vertical) components depend on the spanwise distributions of instantaneous gust intensity, which are taken into account by using the inherent properties of symmetry of isotropic turbulence. The results consist of expressions for correlation functions or spectra of the rolling moment in terms of the point correlation functions of the two components of turbulence. Specific numerical calculations are made for a pair of correlation functions given by simple analytic expressions which fit available experimental data quite well. Calculations are made for four lift distributions. Comparison is made with the results of previous analyses which assumed random turbulence along the flight path and linear variations of gust velocity across the span.
Contributing Partner: UNT Libraries Government Documents Department
Theoretical determination of low-drag supercavitating hydrofoils and their two-dimensional characteristics at zero cavitation number

Theoretical determination of low-drag supercavitating hydrofoils and their two-dimensional characteristics at zero cavitation number

Date: September 30, 1957
Creator: Johnson, Virgil E , Jr
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Theoretical investigation of the attack phase of an automatic interceptor system at supersonic speeds with particular attention to aerodynamic and dynamic representation of the interceptor

Theoretical investigation of the attack phase of an automatic interceptor system at supersonic speeds with particular attention to aerodynamic and dynamic representation of the interceptor

Date: January 25, 1957
Creator: Sherman, Windsor L & Schy, Albert A
Description: None
Contributing Partner: UNT Libraries Government Documents Department
A Theoretical Investigation of the Drag of Generalized Aircraft Configurations in Supersonic Flow

A Theoretical Investigation of the Drag of Generalized Aircraft Configurations in Supersonic Flow

Date: January 1, 1957
Creator: Graham, E. W.; Lagerstrom, P. A.; Licher, R. M. & Beane, B. J.
Description: It seems possible that, in supersonic flight, unconventional arrangements of wings and bodies may offer advantages in the form of drag reduction. It is the purpose of this report to consider the methods for determining the pressure drag for such unconventional configurations, and to consider a few of the possibilities for drag reduction in highly idealized aircraft. The idealized aircraft are defined by distributions of lift and volume in three-dimensional space, and Hayes' method of drag evaluation, which is well adapted to such problems, is the fundamental tool employed. Other methods of drag evaluation are considered also wherever they appear to offer amplifications. The basic singularities such as sources, dipoles, lifting elements and volume elements are discussed, and some of the useful inter-relations between these elements are presented. Hayes' method of drag evaluation is derived in detail starting with the general momentum theorem. In going from planar systems to spatial systems certain new problems arise. For example, interference between lift and thickness distributions generally appears, and such effects are used to explain the difference between the non-zero wave drag of Sears-Haack bodies and the zero wave drag of Ferrari's ring wing plus central body. Another new feature of the spatial ...
Contributing Partner: UNT Libraries Government Documents Department
Theoretical investigation of the effects of configuration changes on the center-of-pressure shift of a body-wing-tail combination due to angle of attack and mach number at transonic speeds

Theoretical investigation of the effects of configuration changes on the center-of-pressure shift of a body-wing-tail combination due to angle of attack and mach number at transonic speeds

Date: May 1, 1957
Creator: Spahr, J Richard
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Theoretical performance of liquid hydrogen and liquid fluorine as a rocket propellant for a chamber pressure of 600 pounds per square inch absolute

Theoretical performance of liquid hydrogen and liquid fluorine as a rocket propellant for a chamber pressure of 600 pounds per square inch absolute

Date: January 25, 1957
Creator: Fortini, Anthony & Huff, Vearl N
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Theoretical rocket performance of JP-4 fuel with mixtures of liquid ozone and fluorine

Theoretical rocket performance of JP-4 fuel with mixtures of liquid ozone and fluorine

Date: January 28, 1957
Creator: Huff, Vearl N & Gordon, Sanford
Description: Data were estimated by means of a heat correction equation using data for JP-4 fuel with mixtures of oxygen and flourine. The estimated data were checked for several cases by direct calculations. The difference in specific impulse between the estimated and directly calculated values was from 0.2 to 0.8 pound-second per pound. The maximum value of specific impulse was 334.9 pound-seconds per pound for a combustion-chamber pressure of 600 pounds per square inch absolute and an exit pressure of 1 atmosphere.
Contributing Partner: UNT Libraries Government Documents Department
A theoretical study of the aerodynamics of slender cruciform-wing arrangements and their wakes

A theoretical study of the aerodynamics of slender cruciform-wing arrangements and their wakes

Date: January 1, 1957
Creator: Spreiter, John R & Sacks, Alvin H
Description: A theoretical study is made of the pressures, loadings, forces, and vortex wake associated with certain cruciform wing arrangements. For 45 degree bank, the wake of a cruciform wing is treated numerically with 40 vortices and analytically with 4 vortices. Comparisons are made with water-tank measurements, and the calculation of loads on cruciform tails by reverse flow considered.
Contributing Partner: UNT Libraries Government Documents Department
A theoretical study of the effect of upstream transpiration cooling on the heat-transfer and skin-friction characteristics of a compressible, laminar boundary layer

A theoretical study of the effect of upstream transpiration cooling on the heat-transfer and skin-friction characteristics of a compressible, laminar boundary layer

Date: May 1, 1957
Creator: Rubesin, Morris W & Inouye, Mamoru
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Theory and apparatus for measurement of emissivity for radiative cooling  of hypersonic aircraft with data for Inconel and Inconel X

Theory and apparatus for measurement of emissivity for radiative cooling of hypersonic aircraft with data for Inconel and Inconel X

Date: October 1, 1957
Creator: O'Sullivan, William J , Jr & Wade, William R
Description: The importance of radiation as a means of cooling high-supersonic- and hypersonic-speed aircraft is discussed to show the need for measurements of the total hemispherical emissivity of surfaces. The theory underlying the measurement of the total hemispherical emissivity of surfaces is presented, readily duplicable apparatus for performing the measurements is described, and measurements for stably oxidized Inconel and Inconel X are given for the temperature range from 600 F to 2,000 F.
Contributing Partner: UNT Libraries Government Documents Department
Theory and design of a pneumatic temperature probe and experimental results obtained in a high-temperature gas stream

Theory and design of a pneumatic temperature probe and experimental results obtained in a high-temperature gas stream

Date: January 1, 1957
Creator: Simmons, Frederick S & Glawe, George E
Description: None
Contributing Partner: UNT Libraries Government Documents Department
A theory for the lateral response of airplanes to random atmospheric turbulence

A theory for the lateral response of airplanes to random atmospheric turbulence

Date: May 1, 1957
Creator: Eggleston, John M
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Theory of aircraft structural models subject to aerodynamic heating and external loads

Theory of aircraft structural models subject to aerodynamic heating and external loads

Date: September 1, 1957
Creator: O'Sullivan, William J , Jr
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Theory of Self-Excited Mechanical Oscillations of Helicopter Rotors with Hinged Blades

Theory of Self-Excited Mechanical Oscillations of Helicopter Rotors with Hinged Blades

Date: February 1, 1957
Creator: Coleman, Robert P & Feingold, Arnold M
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Thermal decomposition of some group I, II, and III metal alkyls

Thermal decomposition of some group I, II, and III metal alkyls

Date: February 15, 1957
Creator: Rosenblum, Louis
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Thermal relations for two-phase expansion with phase equilibrium and example for combustion products of boron-containing fuel

Thermal relations for two-phase expansion with phase equilibrium and example for combustion products of boron-containing fuel

Date: May 20, 1957
Creator: Tower, Leonard K
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Thermal stability of a commercial propyl pen- taborane /hef-2/ in the range 147 deg to 190 deg c

Thermal stability of a commercial propyl pen- taborane /hef-2/ in the range 147 deg to 190 deg c

Date: November 13, 1957
Creator: Mc Donald, G.
Description: Thermal stability and decomposition products of propyl pentaborane heated at 147 to 190 deg C.
Contributing Partner: UNT Libraries Government Documents Department
Thermal stability of a commercial propyl pentaborane (HEF-2) in the range 147 to 190 C

Thermal stability of a commercial propyl pentaborane (HEF-2) in the range 147 to 190 C

Date: November 13, 1957
Creator: Mcdonald, G
Description: None
Contributing Partner: UNT Libraries Government Documents Department
A thermal system for continuous monitoring of laminar and turbulent boundary-layer flows during routine flight

A thermal system for continuous monitoring of laminar and turbulent boundary-layer flows during routine flight

Date: September 1, 1957
Creator: Richardson, N. R. & Horton, E. A.
Description: None
Contributing Partner: UNT Libraries Government Documents Department
A thermal system for continuous monitoring of laminar and turbulent boundary-layer flows during routine flight

A thermal system for continuous monitoring of laminar and turbulent boundary-layer flows during routine flight

Date: September 1, 1957
Creator: Richardson, Norman R & Horton, Elmer A
Description: None
Contributing Partner: UNT Libraries Government Documents Department
A thermocouple subcarrier oscillator for telemetering temperatures from pilotless aircraft

A thermocouple subcarrier oscillator for telemetering temperatures from pilotless aircraft

Date: December 1, 1957
Creator: Fricke, Clifford L
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Thermodynamic study of a Roots compressor as a source of high-temperature air

Thermodynamic study of a Roots compressor as a source of high-temperature air

Date: June 1, 1957
Creator: Cohen, Clarence B; Woollett, Richard R & Weston, Kenneth C
Description: None
Contributing Partner: UNT Libraries Government Documents Department