You limited your search to:

  Partner: UNT Libraries Government Documents Department
 Collection: Technical Report Archive and Image Library
Rotation in Free Fall of Rectangular Wings of Elongated Shape

Rotation in Free Fall of Rectangular Wings of Elongated Shape

Date: April 1, 1949
Creator: Dupleich, Paul
Description: The present report of Mr. Dupleich is the summary of a very extensive experimental study of the well-known mechanical phenomenon: the rotation in free fall (* air, for instance) of more or less elongated rectangles cut out of paper or pasteboard. This phenomenon, the conditions for existence of which depend chiefly on the elongated of the small plate and its weight per unit area, is essentially an aerodynamic phenomenon and as such, raises questions of a certain interest to our department.We believe that the modern concepts of the mechanics of fluids do not have the range attributed to them.
Contributing Partner: UNT Libraries Government Documents Department
Rotationally Symmetric Potential Flows

Rotationally Symmetric Potential Flows

Date: November 1, 1949
Creator: Schaefer, Manfred & Tollmien, W.
Description: This paper includes the following topics: 1) Characteristic differential equations; 2) Treatment of practical examples; 3) First example: Diffuser; and 4) Second Example: Nozzle.
Contributing Partner: UNT Libraries Government Documents Department
Rotogenerative detection of corrosion currents

Rotogenerative detection of corrosion currents

Date: November 1, 1951
Creator: Mcandrew, Joseph B; Colner, William H & Francis, Howard T
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Rough-water impact-load investigation of a chine-immersed V-bottom model having a dead-rise angle of 10 degrees

Rough-water impact-load investigation of a chine-immersed V-bottom model having a dead-rise angle of 10 degrees

Date: October 1, 1957
Creator: Markey, Melvin F & Carpini, Thomas D
Description: A hydrodynamic rough-water impact-loads investigation of a fixed-trim V-bottom float with a beam-loading coefficient of 5.78 and dead-rise angle of 10 degrees was made at the Langley impact basin. The size of the waves varied from approximately 10 to 60 feet in length and 1 to 2 feet in height. Time histories were obtained showing the position of the model relative to the wave throughout the impact and typical examples are presented. The load coefficient was found to vary primarily with the slope of the impacting wave.
Contributing Partner: UNT Libraries Government Documents Department
Rough-water Landings of a 0.1-Size Powered Dynamic Model of the XP5Y-1 Flying Boat with Two Types of Afterbody - Langley Tank Model 228 (TED No. NACA DE309)

Rough-water Landings of a 0.1-Size Powered Dynamic Model of the XP5Y-1 Flying Boat with Two Types of Afterbody - Langley Tank Model 228 (TED No. NACA DE309)

Date: February 9, 1949
Creator: Garrison, Charlie C.
Description: A 0.1-size powered dynamic model of a large, high-speed flying boat was landed in Langley tank no. 1 into oncoming waves 4 feet high (full size). The model was tested with two afterbodies of differing lengths (4.12 and 6.63 beams). The short afterbody had a constant angle of dead rise of 22.5deg and a keel angle of 6.5deg. The long afterbody had warped dead rise and a keel angle of 8.5deg. The vertical accelerations were slightly greater and the maximum angular accelerations and maxim= trims were slightly less for the model with the long afterbody than for the model with -the short afterbody. A wave length of 210 feet (full size) imposed the highest accelerations on the model with either the long or the short afterbody.
Contributing Partner: UNT Libraries Government Documents Department
Rough-Water Tests of Models of the Vosper and Plum Planing Boats

Rough-Water Tests of Models of the Vosper and Plum Planing Boats

Date: April 27, 1950
Creator: Chambliss, Derrill B. & Blanchard, Ulysse J.
Description: Models of two types of high-speed surface craft were tested in Langley tank no. 1 to obtain rough-water data for an evaluation by the David Taylor .Model Basin of the relative merits of the designs. Time-history records were obtained of trim, rise, and normal acceleration at two points in the hulls for various speeds and two sizes of waves.
Contributing Partner: UNT Libraries Government Documents Department
Round heat-treated chromium-molybdenum-steel tubing under combined loads

Round heat-treated chromium-molybdenum-steel tubing under combined loads

Date: July 1, 1943
Creator: Osgood, William R
Description: The results of tests of round heat-treated chromium-molybdenum-steel tubing are presented. Tests were made on tubing under axial load, bending load, torsional load, combined bending and axial load, combined bending and torsional load, and combined axial, bending, and torsional load. Tensile and compressive tests were made to determine the properties of the material. Formulas are given for the evaluation of the maximum strength of this steel tubing under individual or combined loads. The solution of an example is included to show the procedure to be followed in designing a tubular cantilever member to carry combined loads.
Contributing Partner: UNT Libraries Government Documents Department
Routine Testing and Calibration Procedures for Multichannel Pulse Analyzers and Gamma-Ray Spectrometers

Routine Testing and Calibration Procedures for Multichannel Pulse Analyzers and Gamma-Ray Spectrometers

Date: November 1, 1963
Creator: Crouch, D. F.
Description: Procedures for the routine calibration of gamma-ray scintillation spectrometers and multichannel pulse-height analyzers are presented. A scintillation spectrometer, designed for use of recently developed computer data processing techniques, is described. The performance specifications required of all electronic components in this application, particularly the performance specifications for multi-channel pulse-height analyzers, are treated; and simple tests are described for determining the performance specifications of an analyzer. (auth).
Contributing Partner: UNT Libraries Government Documents Department
Royal Aero Club light aeroplane competition

Royal Aero Club light aeroplane competition

Date: January 1, 1925
Creator: Buchanan, J S
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Rubber conductors for aircraft ignition cables

Rubber conductors for aircraft ignition cables

Date: November 1, 1945
Creator: Dietrich, Joseph R
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Rubber-Sheathed Trailing Cables

Rubber-Sheathed Trailing Cables

Date: 1932
Creator: Ilsley, L. C.; Hooker, A. B. & Coggeshall, E. J.
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Rules and regulations for endurance contest of aviation engines : under the auspices of the Aero Club of France

Rules and regulations for endurance contest of aviation engines : under the auspices of the Aero Club of France

Date: November 1, 1923
Creator: unknown
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Rules and Regulations for Metal Mines

Rules and Regulations for Metal Mines

Date: 1915
Creator: Ingalls, W. R.; Douglas, James; Finlay, J. R.; Channing, J. Parke & Hammond, John Hays
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Rules and regulations governing the Fokker Soaring-Flight Contest over water or level land

Rules and regulations governing the Fokker Soaring-Flight Contest over water or level land

Date: June 1, 1923
Creator: unknown
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Rules and regulations of the 1922 Rhoen Soaring Flight Contest

Rules and regulations of the 1922 Rhoen Soaring Flight Contest

Date: February 1, 1923
Creator: unknown
Description: Rules, regulations, announcements and lists of personnel are presented.
Contributing Partner: UNT Libraries Government Documents Department
Rules and regulations of the 1922 Rhon Soaring Flight Contest

Rules and regulations of the 1922 Rhon Soaring Flight Contest

Date: February 1, 1923
Creator: unknown
Description: Rules, regulations, announcements and lists of personnel are presented.
Contributing Partner: UNT Libraries Government Documents Department
Rules and regulations of the 1923 Rhon Soaring-Flight Contest

Rules and regulations of the 1923 Rhon Soaring-Flight Contest

Date: May 1, 1923
Creator: unknown
Description: None
Contributing Partner: UNT Libraries Government Documents Department
The Rumpler passenger airplane

The Rumpler passenger airplane

Date: March 1, 1921
Creator: Langsdorff, Werner V
Description: This report details the Rumpler Limousine which was a further development of the well known type 5 A 2. The fuselage, engine, cabin, wings, controls, and landing gear are all discussed.
Contributing Partner: UNT Libraries Government Documents Department
Runaway Analysis for a Gas Cooled Reactor

Runaway Analysis for a Gas Cooled Reactor

Date: April 1961
Creator: Becker, Richard A.
Description: From abstract: "This report presents an IBM digital computer program that solves numerically and simultaneously the equations that describe gross reactor behavior under runaway conditions."
Contributing Partner: UNT Libraries Government Documents Department
Rupture properties of low carbon N-155 type alloys made with a columbium-tantalum ferro-alloy

Rupture properties of low carbon N-155 type alloys made with a columbium-tantalum ferro-alloy

Date: October 1, 1951
Creator: Freeman, J W; Reynolds, E E & White, A E
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Rupture strength of several nickel-base alloys in sheet form

Rupture strength of several nickel-base alloys in sheet form

Date: April 1, 1957
Creator: Dance, James H & Clauss, Francis J
Description: The 100-hour rupture strengths of Inconel X, Inconel 700, Incoloy 901, Refractaloy 26, and R-235 at 1200 and 1350 F. in both the annealed and heat-treated conditions were determined. Inconel 700 had the highest rupture strength at both temperatures; Incoloy 901 was second strongest at 1200 F, and R-235 second strongest at 1350 F. With the exception of Incoloy 901, ductility was low. Photomicrographs show that fractures are through the grain boundaries. Results are compared with published data for other sheet alloys and bar stock.
Contributing Partner: UNT Libraries Government Documents Department
The rupture-test characteristics of heat-resistant sheet alloys at 1700 F and 1800 F

The rupture-test characteristics of heat-resistant sheet alloys at 1700 F and 1800 F

Date: February 1, 1948
Creator: Freeman, J W; Reynolds, E E & WHITE A E
Description: None
Contributing Partner: UNT Libraries Government Documents Department
The rupture test characteristics of six precision- cast and three wrought alloys at 1700 and 1800 F

The rupture test characteristics of six precision- cast and three wrought alloys at 1700 and 1800 F

Date: November 1, 1945
Creator: White, A E
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Ruskin: Water Resources

Ruskin: Water Resources

Date: 1984
Creator: U.S. Fish and Wildlife Service
Description: Map showing hydrologic resources (point source discharges, tide stations, sediment, tidal currents, etc.) in the Ruskin region of the Tampa Bay, Florida coastline area. Scale 1:24,000.
Contributing Partner: UNT Libraries Government Documents Department