Resource Type

"Avimeta" Three-Engine Commercial Monoplane: Type A.V.M. 132 (open access)

"Avimeta" Three-Engine Commercial Monoplane: Type A.V.M. 132

This is an all metal aircraft, including the wing coverings. Both the framework and the sheet-metal coverings are Alferium, made by Schneider Co. A description of the wing, fuselage, landing gear, engines, fuel tanks, characteristics, drawings, and photographs are provided.
Date: December 1927
Creator: unknown
System: The UNT Digital Library
The Fiat "TR.1" Training and Touring Airplane (Italian): A Two-Place High-Wing Monoplane (open access)

The Fiat "TR.1" Training and Touring Airplane (Italian): A Two-Place High-Wing Monoplane

Circular presenting a description of the Fiat T.R.1 airplane, which has been created for training and long-distance touring. Information regarding the fuel tanks, aircraft design, controls, tail characteristics, and flight characteristics is provided.
Date: December 1930
Creator: unknown
System: The UNT Digital Library
The Morane Sauliner 222 Airplane (French): A Single-Seat Pursuit Monoplane (open access)

The Morane Sauliner 222 Airplane (French): A Single-Seat Pursuit Monoplane

Circular presenting the Morane Saulnier 222 airplane, which is a single-seat pursuit monoplane. A description of the components, design, characteristics, performance, photographs, and drawings are provided.
Date: December 1929
Creator: Frachet, André
System: The UNT Digital Library
Albert TE-1 Training Airplane (open access)

Albert TE-1 Training Airplane

The TE-1 is designed for the economical training of pilots and is a single seat parasol cantilever monoplane. It is nearly entirely made of wood, using a 40 HP. air-cooled Salmson A.D. 9 engine, and weighs 255 kg empty.
Date: December 1926
Creator: unknown
System: The UNT Digital Library
A method for determining the rate of heat transfer from a wing or streamline body (open access)

A method for determining the rate of heat transfer from a wing or streamline body

From Summary: "A method for calculating the rate of heat transfer from the surface of an airfoil or streamline body is presented. A comparison with the results of an experimental investigation indicates that the accuracy of the method is good. This method may be used to calculate the heat supply necessary for heat de-icing or in ascertaining the heat loss from the fuselage of an aircraft operating at great altitude, for example."
Date: December 1942
Creator: Frick, Charles W., Jr. & McCullough, George B.
System: The UNT Digital Library
Experimental Study of the Neutronics of the First Gas Cooled Fast Reactor Benchmark Assembly (GCFR Phase 1 Assembly) (open access)

Experimental Study of the Neutronics of the First Gas Cooled Fast Reactor Benchmark Assembly (GCFR Phase 1 Assembly)

The Gas Cooled Fast Reactor (GCFR) Phase I Assembly is the first in a series of ZPR-9 critical assemblies designed to provide a reference set of reactor physics measurements in support of the 300 MW(e) GCFR Demonstration Plant designed by General Atomic Company. The Phase I Assembly was the first complete mockup of a GCFR core ever built. A set of basic reactor physics measurements were performed in the assembly to characterize the neutronics of the assembly and assess the impact of the neutron streaming on the various integral parameters. The analysis of the experiments was carried out using ENDF/B-IV based data and two-dimensional diffusion theory methods. The Benoist method of using directional diffusion coefficients was used to treat the anisotropic effects of neutron streaming within the framework of diffusion theory. Calculated predictions of most integral parameters in the GCFR showed the same kinds of agreements with experiment as in earlier LMFBR assemblies.
Date: December 1976
Creator: Bhattacharyya, S. K.
System: The UNT Digital Library
ANL/HIWAY: an Air Pollution Evaluation Model for Roadways (open access)

ANL/HIWAY: an Air Pollution Evaluation Model for Roadways

This report describes a computer program, called ANL/HIWAY, for estimating air quality levels of nonreactive pollutants produced by vehicular sources. It is valid for receptors at distances of tens to hundreds of meters, at an angle, downwind of the roadway, in relatively uncomplicated terrain. It may be used by planners to analyze the effects of a proposed roadway on adjacent air quality. The ANL/HIWAY model expands the evaluation capabilities of the EPA/HIWAY dispersion model. This report also serves as a user's manual for running the ANL/HIWAY PROGRAM. All command structures are described in detail, with sample problems exemplifying their use.
Date: December 1976
Creator: Concaildi, George A.; Cohen, Alan S. & King, Richard F.
System: The UNT Digital Library
Land Reclamation Program, Annual Report: July 1975-July 1976 (open access)

Land Reclamation Program, Annual Report: July 1975-July 1976

Annual report of the Argonne National Laboratory Land Reclamation Program outlining the activities and research conducted during the year, various assessments and discussion, and related documentation.
Date: December 1976
Creator: Argonne National Laboratory. Land Reclamation Program.
System: The UNT Digital Library
Numerical Integration of Large Deflection Elastic-Plastic Axisymmetric Shells of Revolution (open access)

Numerical Integration of Large Deflection Elastic-Plastic Axisymmetric Shells of Revolution

The improvement in the method of large deflection elastic-plastic analysis of shells and other structures appears to have continued interest. With the development in this work an improved numerical suppression scheme is now available for the large deflection elastic-plastic analysis of axisymmetric shells of revolution subjected to symmetric loadings. Quasi-linearization of Sander's non-linear shell equations is presented for the first time. With these quasi-linearized equations the suppression scheme has been developed to solve non-linear boundary-value problems. This suppression scheme has been used in conjunction with a Newton-Raphson method to improve a stable convergence process at the yield surface in elastic-plastic problems. Results presented indicate the accuracy of this numerical scheme. It appears to be possible to extend this method for more complicated situations.
Date: December 1976
Creator: Ahmed, Habib Uddin
System: The UNT Digital Library
Scientific Workstation Evaluation Project: Multidisciplinary Experience with a Scientific Workstation (open access)

Scientific Workstation Evaluation Project: Multidisciplinary Experience with a Scientific Workstation

This document is a formal report on the scientific workstation evaluation project. The objective of this project has been to evaluate a scientific workstation. When new computing systems appeared that exhibited the capabilities necessary to do scientific computing work at relatively low equipment cost, both the staff of the Argonne scientific divisions and we (the Computing Services staff) wished to know more about the equipment and the vendor claims.
Date: December 1984
Creator: Raffenetti, Richard C.; Carruthers, Clifford M.; Birgersson, Goran; Blomquist, R. N.; Kennedy, James M.; Koelling, Dale D. et al.
System: The UNT Digital Library
Flow-Induced Vibration of the SSME Lox Posts : Additional Issues (open access)

Flow-Induced Vibration of the SSME Lox Posts : Additional Issues

A mathematical model is presented for flow-induced vibration of the Space Shuttle Main Engine (SSME) liquid oxygen (LOX) posts. The definition of the critical flow velocity is addressed, and detuning of the vibrations of the LOX posts is discussed. Nonuniform flow distributions in the axial and transverse directions are examined briefly, followed by upstream turbulence. The dependence of response upon post location is addressed briefly. Scruton's number, a mass-damping parameter, is defined and its value for the SSME LOX posts is given. Also discussed are the interaction of turbulent buffeting and fluidelastic instability, post arrangement, and swirlers around the posts. The differences are discussed between the quasi-static, the analytical, and the general analytical mathematical models.
Date: December 1984
Creator: Chen, Shoei-Sheng
System: The UNT Digital Library
Spectral Theory of Sturm-Liouville Differential Operators: Proceedings of the 1984 Workshop. Held at Argonne National Laboratory May 15 - June 15, 1984 (open access)

Spectral Theory of Sturm-Liouville Differential Operators: Proceedings of the 1984 Workshop. Held at Argonne National Laboratory May 15 - June 15, 1984

This report contains the proceedings of the workshop which was held at Argonne during the period May 14 through June 15, 1984. The report contains 22 articles, authored or co-authored by the participants in the workshop. Topics covered at the workshop included the asymptotics of eigenvalues and eigenfunctions; qualitative and quantitative aspects of Sturm-Liouville eigenvalue problems with discrete and continuous spectra; polar, indefinite, and non-self-adjoint Sturm-Liouville eigenvalue problems; and systems of differential equations of Sturm-Liouville type.
Date: December 1984
Creator: Kaper, H. G.; Zettl, Anton & Pieper, Gail W.
System: The UNT Digital Library
Structural Dynamics and Fluid Flow in Shell-and-Tube Heat Exchangers : Summary and Overview of a DOE/ECUT-Sponsored Research Program (open access)

Structural Dynamics and Fluid Flow in Shell-and-Tube Heat Exchangers : Summary and Overview of a DOE/ECUT-Sponsored Research Program

Report on solving problems with shell-and-tube heat exchangers resulting from recent trends toward higher flowrates, larger size, and optimized designs.
Date: December 1985
Creator: Wambsganss, M. W.; Halle, Henry & Mulcahy, T. M.
System: The UNT Digital Library
Tube Vibration in Industrial Size Test Heat Exchanger (22 Additional Configurations) (open access)

Tube Vibration in Industrial Size Test Heat Exchanger (22 Additional Configurations)

Typical industrial shell-and-tube heat exchanger configurations are investigated systematically for the occurrence of potentially damaging tube vibration as a function of flow-rate. In continuation of an ongoing experimental program, results from shell-side water flow tests of twenty-two additional test exchanger configurations are reported. The test cases include single- and double-segmentally baffled tube bundles having various combinations of triangular and square tube layout patterns, baffle arrangements, and baffle edge orientations. All layouts had a tube pitch-to-diameter ratio of 1.25. The testing focused on identification of the lowest critical flow-rates to initiate fluid-elastic instability and/or large amplitude tube motion and the location within the bundle of the tubes which first experience these responses. The threshold flow-rates are determined from a combination of methods based on sensory observations, vibration amplitude data, and frequency response information. Instability criteria are preliminarily evaluated. Also reported are the measured overall shell-side pressure drop and the incremental pressure drops across sections of the exchanger for all configurations.
Date: December 1985
Creator: Halle, Henry; Chenoweth, James M. & Wambsganss, M. W.
System: The UNT Digital Library
Tests of a Thermal Ice-Prevention System for a Wing Leading-Edge Landing-Light Installation (open access)

Tests of a Thermal Ice-Prevention System for a Wing Leading-Edge Landing-Light Installation

Report discussing the creation of a thermal ice-prevention system of a bomber-type airplane to provide protection against ice and fog formations on the transparent fairing over the landing light in the wing leading edge. A comparison between the design performance and actual performance showed that the outer-surface heat-transfer coefficient was correctly predicted, but the inner-surface heat-transfer coefficient was four times as large, leading to failure of the plastic fairing.
Date: December 1944
Creator: Hillendahl, Wesley H.
System: The UNT Digital Library
The D.H. 85 "Leopard Moth" Airplane (British): A Three-Seat Cabin High-Wing Monoplane (open access)

The D.H. 85 "Leopard Moth" Airplane (British): A Three-Seat Cabin High-Wing Monoplane

Circular describing the De Havilland "Leopard Moth", which is a three-seat cabin high-wing monoplane with a good cruising speed and fuel efficiency. Details of the components, controls, characteristics, performance, drawings, and photographs are provided.
Date: December 1933
Creator: unknown
System: The UNT Digital Library
Performance of an exhaust-gas "blowdown" turbine on a nine-cylinder radial engine (open access)

Performance of an exhaust-gas "blowdown" turbine on a nine-cylinder radial engine

Report presenting tests on an exhaust-gas turbine with four separate nozzle boxes each covering a 90 degree arc of the nozzle diaphragm and each connected to a pair of adjacent cylinders in a Pratt & Whitney R-1340-12 nine-cylinder radial engine. Results regarding the power output of the engine and turbine, effect of the turbine on engine power, turbine power output and speed characteristics, mean turbine efficiency, effect of the blowdown turbine on exhaust-gas temperature, and condition of the blowdown turbine after tests are provided.
Date: December 1944
Creator: Turner, L. Richard & Desmon, Leland G.
System: The UNT Digital Library
The Short "Empire" Commercial Flying Boat (British): An All-Metal Cantilever Monoplane (open access)

The Short "Empire" Commercial Flying Boat (British): An All-Metal Cantilever Monoplane

Circular presenting a description of the Short "Empire" flying boat, which is an all-metal, four-engine, cantilever monoplane with a two-step hull.
Date: December 1936
Creator: unknown
System: The UNT Digital Library
The Dewoitine D.332 Commercial Airplane (French): A Three-Engine All-Metal Low-Wing Monoplane (open access)

The Dewoitine D.332 Commercial Airplane (French): A Three-Engine All-Metal Low-Wing Monoplane

Circular describing the Dewoitine D.332, which is a commercial three-engine all-metal low-wing monoplane form France. Details of the construction history, wing, fuselage, power plant, landing gear, characteristics, performance, drawings, and photographs are provided.
Date: December 1933
Creator: Victor, Maurice
System: The UNT Digital Library
A method for calculating heat transfer in the laminar flow region of bodies (open access)

A method for calculating heat transfer in the laminar flow region of bodies

Report presenting a practical method for determining the chordwise distribution of the rate of heat transfer from the surface of a wing or body of revolution to air. The method is limited to use to the determination of heat transfer fro the forward section of such bodies when the flow is laminar.
Date: December 1942
Creator: Allen, H. Julian & Look, Bonne C.
System: The UNT Digital Library
Calculations of Economy of 18-Cylinder Radial Aircraft Engine With Exhaust-Gas Turbine Geared to the Crankshaft at Cruising Speed (open access)

Calculations of Economy of 18-Cylinder Radial Aircraft Engine With Exhaust-Gas Turbine Geared to the Crankshaft at Cruising Speed

Report presenting calculations based on dynamometer test-stand data on an 18-cylinder radial engine made to determine the improvement in fuel consumption that can be obtained by gearing an exhaust-gas turbine to the engine crankshaft in order to increase the engine shaft work.
Date: December 1945
Creator: Hannum, Richard W.
System: The UNT Digital Library
The Handley Page Type 42 Commercial Airplane (British): A Metal Sesquiplane (open access)

The Handley Page Type 42 Commercial Airplane (British): A Metal Sesquiplane

Circular presenting a description of the Handley Page 42, which is an all-metal sesquiplane. Details are provided of the cockpit, wings, fuselage, tail, power plant, landing gear, controls, and flying qualities.
Date: December 1930
Creator: unknown
System: The UNT Digital Library
Wall interference in a two-dimensional-flow wind tunnel with consideration of the effect of compressibility (open access)

Wall interference in a two-dimensional-flow wind tunnel with consideration of the effect of compressibility

Report presenting tunnel-wall corrections for an airfoil of finite thickness and camber in a two-dimensional-flow wind tunnel. The theory takes account of the effects of the wake of the airfoil and of the compressibility of the fluid and is based on the assumption that the chord of the airfoil is small in comparison with the height of the tunnel. The theoretical results are compared with the small amount of low-speed experimental data available and agreement is seen to be satisfactory, even for relatively large values of the chord-height ratio.
Date: December 1944
Creator: Allen, H. Julian & Vincenti, Walter G.
System: The UNT Digital Library
The Calculation of Span Load Distributions of Swept-Back Wings (open access)

The Calculation of Span Load Distributions of Swept-Back Wings

"Span load distributions of swept-back wings have been calculated. The method used was to replace the wing with a bound vortex at the quarter-chord line and to calculate the downwash due to the system of bound and trailing vortices to conform at the three-quarter-chord line to the slope of the flat-plate wing surface. Results are given for constant-chord and 5:1 tapered plan forms, for sweep-back angles of 0 degrees, 30 degrees, and 45 degrees, and for aspect ratios of 3, 6, and 9" (p. 1).
Date: December 1941
Creator: Mutterperl, William
System: The UNT Digital Library