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Effects of Overpressures in Group Shelters on Animals and Dummies

Description: S>Relative biological hazards of blast were studied in two types of communal air-raid shelters during Shots 1 and 8. Dogs, restrained within the shelters during detonation, were studied pathologically and clinically for blast injuries. Two anthropometric dummies were test objects for displacement studies utilizing high-speed photography. Physical data included pressure vs time and air-drag determinations. During Shot 1, animals sustained marked blast damages (hemorrhages in lungs and abdominal … more
Date: September 1, 1953
Creator: Roberts, J. E.; White, C. S. & Chiffelle, T. L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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RADIATION CREEP

Description: Several theories of metal creep and radiation damage are studied, in order to determine whether creep rates under various conditions of irradiation can be predicted theoretically. It is found that if the creep is of the recovery type, and if the diffusion coefficient for radiationinduced vacancies is large enough, creep rates may be increased within a limited temperature range. Otherwise, radiation has no effect on creep rates. (T.F.H.)
Date: December 1, 1957
Creator: Gregory, D.P.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Atmospheric Signals From Explosions and Their Interpretation

Description: Results are reported from a series of experimental highexplosive shots under inversion conditions at the Nevada Test Site which were made in an attempt to refine blast prediction techniques. Applications of the data in determinations of the amount of energy which remains in the blast wave as it reaches acoustic level and in determinations of the magnitude of the reflection factor when the blast wave strikes the ground are discussed. Data on shock wave propagation are presented graphically. It i… more
Date: December 1, 1959
Creator: Reed, J. W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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U.S. NAVY STRUCTURES. ANNEX 3.2 OF SCIENTIFIC DIRECTOR'S REPORT OF ATOMIC WEAPON TESTS AT ENIWETOK, 1951

Description: Structures are subjected to a 50-kt blast, in order to obtain fundamental data on structures subjected to blast loading, to observe the response of the structures under this loading, and to determine the relative blast-resistance merits of several structural types. Modes of failure are determined. Shaped structures are found to be superdor to rectangular structures. Earth cover for the structures is also found to increase the blast resistance. It is found that standard Navy heavy bomb-proof str… more
Date: June 1, 1952
Creator: Hayen, C.L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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F.C.D.A. Family Shelter Evaluation

Description: In order to determine the effects of atomic explosions on small civil defense shelters for family use, 29 simple structures were built along an arc 1200 ft from the target point and exposed to Buster Bursts B, C, and D. The structures were of four basic types; covered-trench, metal-arch, wood-arch, and basement lean-to. Because of poor cohesive properties of the soil, much of the earth cover on the shelters was removed by the first shot. Since test procedures prevented restoration of structures… more
Date: March 1, 1952
Creator: Flynn, A. P.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Reactor Materials Study. Research and Development of Metal Hydrides. Quarterly Report No. 4 for July 1, 1959 to September 30, 1959

Description: Activities during the period were directed primarily toward determination of the engineering properties of hydrided materials. The tensile strength and elongation, thermal expansion, thermal conductivity, and heat capacity of ZrH were determined as functions of temperature and H content. Preliminary results of Ti-base material studies indicate that these materials can be used for shielding and structural materials with the incorporation of rare earth hydrides. A summary of the work from Oct. l9… more
Date: October 30, 1959
Creator: Beck, R. L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Magnetic Determination of Impurities in Uranium Fuel Slugs

Description: A technique has been devised for the non-destructive determination of the uranium hydride and/or iron content in uranium fuel slugs of Hanford size. The technique, an adaptation of the Gouy method for measuring magnetic susceptibilities, is based on the ferromagnetic properties of the hydride below 173 deg K. A large electromagnet and a pain balance are utilized in measuring the magnetic forces on a vertically suspended slug at liquid nitrogen temperatures and at room temperature. It was found … more
Date: June 18, 1956
Creator: Wahl, D. & Liboff, A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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High-Frequency Titration as Applied to the Determination of Thorium, Uranium, Sulfate, and Free Acid. Parts 1-51

Description: The technique of high-frequency titrimetry was applied to the determination of thorium, uranium, sulfate, and free acid. In Part I, the reproducibility of the method for the titration of standard solutions that contained 50 rag of thorium in the absence of interferences is established. Under these conditions, the coefficient of variation of the method was <1%. In Part II, the effect of uranium on the highfrequency titration of thorium, as well as the application of the method to actual samples,… more
Date: May 11, 1959
Creator: Menis, O
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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FUSED SALT HEAT TRANSFER. PART II. FORCED CONVECTION HEAT TRANSFER IN CIRCULAR TUBES CONTAINING NaF-Kf-LiF EUTECTIC

Description: Heat transfer coefficients were determined for the eutectic mixture LiF- KF-NaF (Flinak) flowing in forced convection through circular tubes. Heat, electrically generated in the tube wall was transferred uniformly to the fluid during passage through small-diameter tubes of nickel, Inconel, and 316 stainless steel. The variables involved: Reynolds modulus (N/sub R//sub e/), 2300 to 9500; Prandtl modulus (N/sub P//sub r/, 1.6 to 4.0; average fluid temperatures, 980 to 1370 deg F; and heat flux, 9… more
Date: February 16, 1955
Creator: Hoffman, H.W. & Lones, J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Hazards Summary Report for a Three Watt Polonium-210 Fueled Thermoelectric Generator

Description: A hazards survey was made of the Auxiliary Power Unit (APU) for space vehicle applications. The APU utilizes the decay process from 1570c of Po/sup 210/ to generate thermal energy. The design is described and diagrams are given. The factors involved in the integration of the thermoelectric generator into the Discoverer or Sentry vehicles are discussed. The physical, chemical, nuclear, and radiobiological properties of Po/sup 210/ are given. The shielding requirements for the APU are outlined. T… more
Date: June 1, 1959
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Power Transfer Functions of the EBWR Obtained Using a Sinusoidal Reactivity Driving Function

Description: A series of reactor frequency response measurements, relating flux or power level to a reactivity input function, were made to evaluate reactor stability for different values of power parameters. These parameters included: power level, steam pressure, and control rod position. The results were extrapolated to predict EBWR stability at higher operating powers. The experimental data may also be used to evaluate the thermodynamic and hydraulic constants. (authl
Date: January 1, 1958
Creator: DeShong, J.A. Jr.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Methods for the Study of Gas-Metal Reactions in Ultra-High Vacuum

Description: A critical review of the methods reported in the literature for the study of gas-metal reactions in high and ultra-high vacuum systems is given. Experimental apparatus and techniques based on volumetric, gravimetric, magnetic, and other properties of the metals including work function, accommodation coefficient, resistivity, and others have been used. A volumetric method, based on a determination of rate-of-reaction, was selected as most readily applicable to the proposed investigation. (auth)
Date: June 30, 1959
Creator: Love, G.R.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Variable Metric Method for Minimization

Description: A method is presented for numerically determining local minima of differentiable functions of several variables. In the proeess of locating each minimum, a matrix is determined which characterizes the behavior of the function about the minimum. For a region in which thc function depends quadratically on the variables, no more than N iterations are required, where N is the number of variables. By suitable choice of starting values and without modification of the procedure, linear constraints can… more
Date: May 1, 1959
Creator: Davidon, W. C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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RATES OF CORROSION PRODUCT REMOVAL FROM CIRCULATING SYSTEM BY FILM FORMATION AND SETTLING

Description: Iron oxide deposits removed from high pressure system of HRT after the first power run will be annlyzed for Fe/sup 59/ in an attempt to determine the time these deposits were circulated prior to deposition (settling or film formation). Deposits available are film from corrosion specimens (stainless steel, zirconium and titanium) and settled particles. (auth)
Date: April 24, 1958
Creator: Suddath, J.C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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IGNITION BEHAVIOR AND KINETICS OF OXIDATION OF THE REACTOR METALS, URANIUM, ZIRCONIUM, PLUTONIUM, AND THORIUM, AND BINARY ALLOYS OF EACH. A Status Report

Description: >The importance of prevention of fires and explosions involving uranium, zircomum, plutonium, and thorium, which are of particular interest to the nuclear energy program, made imperative the study of their ignition behavior and oxidation kinetics. Methods of measurements of ignition characteristics of uranium and zirconium were developed and used to determine the effects of variables, such as surface preparation, metallurgical history, specific area (sample size), additives to the metal, and ox… more
Date: April 1, 1959
Creator: Schnizlein, J. G.; Pizzolato, P. J.; Porte, H. A.; Bingle, J. D.; Fischer, D. F.; Mishler, L. W. et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Studies of the Behavior of the Tbp-Kerosene Solvent in Uranium Refining: Degradation of the Kerosene Diluent

Description: Extensive studies have been conducted of kerosenetype diluents for the tri-n-butyl phosphate (TBP)kerosene solvent used in uranium extraction. Wide variations have been shown in the paraffinic, isoparaffinics aromatics and olefinic hydrocarbon contents of these diluents. Such diluents have been shown to be unstable in thc presence of high nitric acid concentrations, and in the presence of small amounts of nitrous acid. This instability is primarily a function of the non-paraffinic hydrocarbon c… more
Date: August 12, 1958
Creator: Klopfenstein, R. K.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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RECOVERY OF ZIRCONIUM TETRACHLORIDE POWDER

Description: S>The Zircex Process for the recovery of zirconiuun from zirconium clad fuel elements is presented. Various types of apparatus were investigated for desublimation and collection of the solid zirconiuun tetrachloride. Of primary importance is the determination of particle size and distribution of the ZrCl/sub 4/ condensed for, in general, the larger and more uniform the particle size, the easier the collection. (W.L.H.)
Date: August 1, 1956
Creator: Lee, L.A. & Welt, M.A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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