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Dynamics of a turbojet engine considered as a quasi-static system
From Summary: "A determination of the dynamic characteristics of a typical turbojet engine with a centrifugal compressor, a sonic-flow turbine-nozzle diaphragm, and fixed area exhaust nozzle is presented. A generalized equation for transient behavior of the engine was developed; this equation was then verified by calculations using compressor and turbine performance charts extrapolated from equilibrium operating data and by experimental data obtained from an engine operated under transients in fuel flow."
Date:
July 27, 1949
Creator:
Otto, Edward W. & Taylor, Burt L., III
System:
The UNT Digital Library
Investigation of effects of movable exhaust-nozzle plug on operational performance of 20-inch ram jet
Report presenting the effects of a movable exhaust-nozzle plug on the operational performance of a 20-inch ramjet in the altitude wind tunnel. Results were obtained at various exhaust-nozzle-plug positions over a range of fuel-air ratios, combustion-chamber-inlet velocities and static pressures, and ambient-air static pressures.
Date:
July 27, 1948
Creator:
Sterbentz, William H. & Wilcox, Fred A.
System:
The UNT Digital Library
The Preparation of TCl₄ With Hexachloropropylene
Report discussing various reaction methods for preparing TCl₄ with hexachloropropylene, as well as various methods for drying the TCl₄ after the reaction. Experimental methods are described in detail, and experimental results are presented.
Date:
July 27, 1945
Creator:
Pitt, B. M.; Curran, W. F.; Schmitt, J. M.; Wagner, E. L. & Miller, A. J.
System:
The UNT Digital Library
Theoretical Characteristics of Two-Dimensional Supersonic Control Surfaces
Report presenting aerodynamic characteristics of uncambered symmetrical parabolic and double-wedge airfoils with leading-edge and trailing-edge flaps using the Busemann second-order-approximation theory. Characteristics presented include aileron effectiveness factor, rate of change of hinge-moment coefficient with aileron deflection, rate of change of the pitching-moment coefficient, and the location of the center of pressure of the airfoil-aileron combination.
Date:
July 27, 1948
Creator:
Morrissette, Robert R. & Oborny, Lester F.
System:
The UNT Digital Library
Urine Analysis for Tritium Oxide
This report analyzes a procedure based on the production of acetylene from the active water, with subsequent measurement of the ionization caused by the tritium beta particle. This eliminates the troublesome absorption on the chamber walls when hydrogen is used, and provides a rapid method for the preparation of the urine samples.
Date:
July 27, 1949
Creator:
Healy, J. W.
System:
The UNT Digital Library
Urine Analysis for Tritium Oxide
This paper describes a means of determining tritium oxides in urine relying upon the production of acetylene from the active water with subsequent measurement of the ionization caused by the tritium beta particle.
Date:
July 27, 1949
Creator:
Healy, J. W.
System:
The UNT Digital Library