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Preferential Pumping and Its Application to the P⁴ Experiment
Report analyzing the "preferential removal of neutral gas from an incompletely ionized plasma in which the ionized particles are allowed to drift along magnetic field lines through a differentially pumped channel" and its relation to the P⁴ experiment. The report also analyzes the regenerative and non-regenerative losses of plasma by radial diffusion, as well as "considerations relating to the ultimate disposal of overflow plasma."
Date:
June 14, 1957
Creator:
Hall, Laurence S. & Gardner, Andrew L.
System:
The UNT Digital Library
Electronics Counting Rooms for Nuclear Research
Abstract: "This report describes six electronics areas at the Radiation Laboratory (Berkeley and Livermore) that are being successfully used with various particle acceleration for nuclear research. The electronics equipment, consisting of pulse amplifiers, scalers, coincidence circuits, pulse-height analyzers, automatic recording equipment, high-voltage supplies, etc., is arranged in such a manner that most experiments can be quickly set up, and a number of people can run experiments simultaneously. Advantage and limitations of these areas are discussed."
Date:
June 14, 1956
Creator:
Stripeika, Alexander J.
System:
The UNT Digital Library
Monthly Progress Report on A.E.C. Contract AT (11-1) GEN-8, Sup. 19 (Pied Piper) for Period Ending March 30, 1957
None
Date:
June 14, 1957
Creator:
unknown
System:
The UNT Digital Library
Production of Polonium 210, Thulium 170, and Iridium 192 in a Hanford production pile
This report describes a study which has been completed of Hanford production pile space requirements for the manufacture of polonium 210, thulium 170, and iridium 192. Sufficient radioisotope is required for the generation of 2000 watts of heating by radioactive decay after a decay period of 150 days.
Date:
June 14, 1956
Creator:
Fry, W. E.
System:
The UNT Digital Library
EXPERIMENTAL VERIFICATION OF GAMMA SCATTERING CALCULATIONS
None
Date:
June 14, 1951
Creator:
Allard, G.A.
System:
The UNT Digital Library
REPORT OF COPPER DECONTAMINATION WORK AT FEDERATED METALS IN ST. LOUIS
None
Date:
June 14, 1956
Creator:
Bomar, E.S.
System:
The UNT Digital Library
Experimental Flutter Results for Cantilever-Wing Models at Mach Numbers Up to 3.0
Report presenting experimental flutter testing at Mach numbers up to 3.0 using cantilever-wing models with 0 to 60 degree sweepback and 60 degree delta-wing models. The main variables explored were the high Mach number and center-of-gravity location on flutter trends. The theoretical results for flutter analyses were noted to be lower than the experimental results.
Date:
June 14, 1955
Creator:
Tuovila, W. J. & McCarty, John Locke
System:
The UNT Digital Library
An Investigation of a Supersonic Aircraft Configuration Having a Tapered Wing With Circular-Arc Sections and 40 Degree Sweepback: Static Lateral Stability Characteristics at Mach Numbers of 1.40 and 1.59
"An investigation has been conducted in the Langley 4- by 4-foot supersonic tunnel to determine the static lateral stability characteristics of a supersonic aircraft configuration at Mach numbers of 1.40 and 1.59. The model had a 40 degree sweptback wing with 10-percent-thick circular-arc sections normal to the quarter-chord line. The results of the investigation indicated high directional stability that decreased with increasing Mach number and positive effective dihedral that was essentially invariant with lift coefficient and Mach number" (p. 1).
Date:
June 14, 1950
Creator:
Spearman, M. Leroy
System:
The UNT Digital Library
Aerodynamic characteristics of several flap-type trailing-edge controls on a trapezoidal wing at Mach numbers of 1.61 and 2.01
Report presenting an investigation at Mach numbers of 1.61 and 2.01 to determine the control effectiveness and hinge-moment characteristics for a series of 25.4-percent-chord trailing-edge controls on a trapezoidal wing with a 23 degree sweptback leading edge, aspect ratio of 3.1, and taper ratio of 0.4. Pressure distribution and hinge-moment measurements were made at a range of angles of attack and control deflections. Results regarding effect of control deflection, effect of wing angle of attack, effect of Reynolds number, effect of trailing-edge thickness, effect of hinge-line gap, effect of Mach number, and effect of control size and location are provided.
Date:
June 14, 1954
Creator:
Lord, Douglas R. & Czarnecki, K. R.
System:
The UNT Digital Library
Effect at Transonic Speeds of Inboard Spoilers on the Static Longitudinal Stability Characteristics of a 45 Degree Sweptback Wing-Body Combination Having a Leading-Edge Chord-Extension
Memorandum presenting an exploratory investigation in the 9- by 12-inch blowdown tunnel to determine the effect of inboard spoilers located along the 20- and 30-percent-chord lines on the static longitudinal stability characteristics of a semispan 45 degree sweptback wing-body combination with a leading-edge chord-extension. The model pitching-moment characteristics were improved by spoilers extending from 15 percent semispan to 45 percent semispan. Results regarding pitching moment, lift, drag, rolling moment, and lateral center of pressure are provided.
Date:
June 14, 1954
Creator:
Henderson, James H.
System:
The UNT Digital Library
Investigation at supersonic speeds of external-drag effects and pumping characteristics of a short ejector
Report presenting an investigation at free-stream Mach numbers of 1.62, 1.94, and 2.41 to determine the external-drag effects and pumping characteristics of a short ejector housed within a highly bottailed afterbody. The tests covered secondary to primary diameter ratios of 1.50 and 1.33, mass flow ratios from 0 to 0.20, and a sonic and a supersonic primary nozzle. Results regarding drag and pumping characteristics are provided.
Date:
June 14, 1955
Creator:
Love, Eugene S. & O'Donnell, Robert M.
System:
The UNT Digital Library
Minimum drag of 0.11-scale rocket-powered models of the Chance Vought XF8U-1 airplane, with and without nose modifications, at Mach numbers between 0.85 and 1.30 : TED No. NACA DE 392
Report presenting drag data obtained from flight tests of two scale rocket-powered models of the Chance Vought XF8U-1 airplane. Results regarding the minimum drag coefficient and effect of nose modifications are provided.
Date:
June 14, 1954
Creator:
Blanchard, Willard S., Jr.
System:
The UNT Digital Library
An Investigation of a Method for Obtaining Hydrodynamic Data at Very High Speeds With a Free Water Jet
Report presenting information regarding the feasibility of using a rectangular free water jet to obtain hydrodynamic data at very high speeds. Total-head pressure distributions in the jet and experimental hydrodynamic lift data is provided and compared to data obtained in water tank testing. The data obtained indicates that it is feasible to use a free water jet for this purpose.
Date:
June 14, 1954
Creator:
Weinflash, Bernard & McGehee, John R.
System:
The UNT Digital Library
THE USE OF CHELATING AGENTS FOR ACCELERATING EXCRETION OF RADIOELEMENTS
Although the deleterious effects of exposure to ionizing radiation were first recognized and described over fifty years ago, the adequate treatment of these effects still remains a therapeutic challenge. At the present time, when increasing numbers of our population are being exposed to radiation because of the great increase in availability and use of radioactive isotopes and because of the potential exposure of much greater numbers of people to radiation following a possible atomic bomb burst or from disseminated radioactivity, the need for development of adequate therapy is becoming an increasingly pressing medical problem. In a consideration of possible approaches to therapy, one must distinguish between radiation front sources external to the body and radiation which results from radioactive materials which by some means or other have gained access into the body. Internally deposited radiation emitters can be particularly insidious since so many of them become fixed in the skeleton and are eliminated at very slow rates. While it is possible to remove external sources of damaging radiation once the hazard is recognized, the internal radiation emitters often are not readily displaced and the body remains exposed to prolonged continued radiation. Where long-lived elements, such as plutonium with a biological …
Date:
June 14, 1951
Creator:
Foreman, Harry & Hamilton, Joseph G.
System:
The UNT Digital Library
Spectrophotometric Determination of Cerium With Tiron
A spectrophotometric method for the determination of cerium and Tiron (disodium-1,2-dihydroxybenzene-3,5disulfonate) was applied to the determination of cerium in samples which contain uranium and zirconium. The ceriumTiron complex in solutions of pH 8 or greater exhibits an absorption maximum of 500 m mu . This reagent does not react with any other lanthanive element. The interference of iron, uranium, and zirconium was eliminated by extracting these interfering elements with a solution of trioctylphosphine oxide in cyclohexane. (auth)
Date:
June 14, 1957
Creator:
McDowell, B. L.; Meyer, A. S., Jr. & White, J. C.
System:
The UNT Digital Library
Metallurgy Division Semiannual Progress Report for Period Ending October 10, 1955
Progress report of the Oak Ridge National Laboratory Metallurgy Division providing updates on various projects, experiments, and other work. This report includes a summary of nondestructive testing, physical chemistry of corrosion, fundamental physico-metallurgical research, HRP metallurgy, process metallurgy, metallurgical materials and processing, metallography, and ceramics research.
Date:
June 14, 1954
Creator:
Manly, W. D.
System:
The UNT Digital Library
Effect of Some External Crosswise Stiffeners on the Heat Transfer and Pressure Distribution on a Flat Plate at Mach Numbers of 0.77, 1.39, and 1.98
The heat transfer and pressures on the surfaces of several flat-plate models with various external crosswise stiffener arrangements are presented. The tests were made in a free jet at Mach numbers of 0.77, 1.39, and 1.98 for Reynolds numbers of 3 x 10(exp 6), 7 x 10(exp 6), and 14 x 10(exp 6), respectively, based on a length of 1 foot. The addition of external crosswise stiffeners to the flat-plate models caused large pressure and heat-transfer variations on the surfaces of the models.
Date:
June 14, 1957
Creator:
Carter, Howard S.
System:
The UNT Digital Library
Chemical Development Status Report for Week Ending June 8, 1956
This report talks about Chemical Development Status Report for Week Ending June 8, 1956
Date:
June 14, 1956
Creator:
Blanco, R. E. & Ferguson, D. E.
System:
The UNT Digital Library
Detection of Airborne Beryllium Dust : Monthly Report Covering the Period from May1 to June 1, 1955
During this period a prototype gamma ray detection system was assembled and data was obtained on samples of beryllium salts on filter paper under a variety of conditions. Ordinarily either a scaler-register combination or the CRM-recorder combination would be sufficient for obtaining data. Both units have been used here in order to utilize the particular advantages of each system. The scaler-register unit was employed for obtaining precise data over short intervals while the CRM-recorder was used to maintain a check on stability over longer intervals of time.
Date:
June 14, 1955
Creator:
McCarty, R. G.
System:
The UNT Digital Library
Spectrophotometric Determination of Cerium with Tiron
A spectrophotometric method for the determination of cerium with Tiron (disodium-1,2-dihydroxybenzene-3,5disulfonate) was applied to the determination of cerium in samples which contain uranium and zirconium. The cerium-Tiron complex in solutions of pH 8 or greater exhibits an absorption maximum of 500 mu . This reagent does not react with any other lanthanide element. The interference of iron, uranium, and zirconium was eliminated by extracting these interfering elements with a solution of trioctylphosphine oxide in cyclohexane. (auth)
Date:
June 14, 1957
Creator:
McDowell, B. L.; Meyer, A. S., Jr. & White, J. C.
System:
The UNT Digital Library