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An Analysis of Ramjet Engines Using Supersonic Combustion
From Introduction: "The concept of supersonic combustion is by no means new, although little work appears to have been published on the subject. For example, an analysis of supersonic combustion to provide lift under a wing is given in reference 1. Reference 2 discusses applications to hypersonic ramjets being studied at the University of Michigan."
Date:
September 1958
Creator:
Weber, Richard J. & MacKay, John S.
System:
The UNT Digital Library
Analytical investigation of acceleration restriction in a fighter airplane with an automatic control system
From Introduction: "In the present report, consideration is given to certain features intended to improve the accleration-limiting characteristics of a normal-accleration control system."
Date:
January 1958
Creator:
Matthews, James T., Jr.
System:
The UNT Digital Library
Abnormal grain growth in nickel-base heat-resistant alloys
From Introduction: "The data included in this report for Nimonic 80A alloy, for instance, represent experiments carried out to help clarify a production problem of grain-size control in an alloy which has been extensively used. The general procedure of the investigation was to carry out controlled laboratory experiments on samples of bar stock to find conditions of heating and hot-working which resulted in abnormal grain growth."
Date:
December 1957
Creator:
Decker, R. F.; Rush, A. I.; Dano, A. G. & Freeman, J. W.
System:
The UNT Digital Library
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
Report discussing 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.
Date:
November 1956
Creator:
Mitcham, Grady L.; Stevens, Joseph E. & Norris, Harry P.
System:
The UNT Digital Library
Analysis of the Ultimate Strength and Optimum Proportions of Multiweb Wing Structures
From Introduction: "The results are presented in the form of a structural-efficiency chart where minimum structural weight is plotted as a function of the structural index for constant values of the ratio of wing depth to skin thickness."
Date:
March 1956
Creator:
Rosen, B. Walter
System:
The UNT Digital Library
Acoustic radiation from two-dimensional rectangular cutouts in aerodynamic surfaces
From Introduction: "The experiments in high-speed flow showed that an intense, high-frequency acoustic radiation is an essential feature of the problem. Consequently, a study of the acoustic field (involving schlieren observations and frequency and intensity measurements) was undertaken. This report presents the salient features of the study, which was mainly exploratory."
Date:
August 1955
Creator:
Krishnamurty, K.
System:
The UNT Digital Library
An analytical investigation of airplane spin-recovery motion by use of rotary-balance aerodynamic data
From Introduction: "Many investigations have been made in the Langley 20-foot free-spinning tunnel in which the natures of airplane spins and recoveries have been determined experimentally with dynamically scaled-down models. The results of some of these investigations are presented in references 1 to 5."
Date:
June 1954
Creator:
Scher, Stanley H.
System:
The UNT Digital Library
Aerodynamics of slender wings and wing-body combinations having swept trailing edges
From Introduction: "In the present paper, a general method is developed for solving low-aspect-ratio problems involving shed vortex sheets. Both direct and inverse problems are considered. The method is applicable for all planar problems where the velocity boundary conditions can be made homogeneous by differentiation in either the streamwise or the spanwise directions."
Date:
March 1954
Creator:
Mirels, Harold
System:
The UNT Digital Library
An Analytical Investigation of the Effect of the Rate of Increase of Turbulent Kinetic Energy in the Stream Direction on the Development of Turbulent Boundary Layers in Adverse Pressure Gradients
"The purpose of this paper is to provide a derivation of the general integral form of the boundary equation without neglecting the Reynolds normal-stress term. Two special cases of this equation are given explicitly" (p. 2).
Date:
November 1953
Creator:
Rashis, Bernard
System:
The UNT Digital Library