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1,365
National Advisory Committee for Aeronautics Collection
812
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755
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305
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6
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2
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1
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1
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493
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273
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166
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67
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52
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30
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Semi-Empirical Method of Calculating the Energy-Absorption Build-up Factor with an Application to a Uniformly Contaminated Space Having Spherical Boundaries
From Abstract: "The results are compared with those obtained by other methods, and an application to the problem of uniformly and continuously distributed point-source is discussed."
Date:
October 14, 1957
Creator:
O'Brien, Keran; Lowder, Wayne M. & Solon, Leonard R.
System:
The UNT Digital Library
Beta and Gamma Dose Rates From Terrestrially Distributed Sources
Report that examines the dose rate of radiation in the air and in a test subject due to radioactive materials (uranium, thorium, and potassium) that are present in the ground. The test subject in these experiments is a water cylinder that is meant to receive radiation in a manner similar to a person.
Date:
October 28, 1957
Creator:
O'Brien, Keran; Lowder, Wayne M. & Solon, Leonard R.
System:
The UNT Digital Library
Transistorization of Nuclear Counting Circuits
From Abstract: "The advantage of long operational life, low power drain and miniaturization may be realized in nuclear counting circuits through the use of transistors. The disadvantage of instability, due to the effects of temperature change in the transistor, may be minimized in counting circuit designs. Representative circuits of a binary stage, amplitude discriminator, one shot multivibrator, and ratemeters are included. These were designed using the criteria of an minimum Beta and a maximum Ico."
Date:
August 19, 1957
Creator:
Graveson, R. T. & Sadowski, H.
System:
The UNT Digital Library
Hazard Summary Report Experimental Breeder Reactor II (EBR-II)
From Forward: "This report describes the present conceptions of the Experimental Breeder Reactor-II as well as the safety procedures and precautions which are currently anticipated for its operation."
Date:
May 1957
Creator:
Koch, L. J.; Monson, H. O.; Okrent, D.; Levenson, M.; Simmons, W. R.; Humphreys, J. R. et al.
System:
The UNT Digital Library
Frequency Response Measurements of the EBWR Automatic Steam by-Pass Valve Control System
Report describing the steam by-pass system of the Economic Simplified Boiling Water (EBWR) Reactor. The control system and errors are described.
Date:
June 1957
Creator:
DeShong, J. A., Jr. & Beckjord, E. S.
System:
The UNT Digital Library
Preliminary Design Requirements Argonne Boiling Reactor (ARBOR) Facility
From Introduction: "Descriptions of the functional requirements of the facility, together with preliminary concepts of methods for meeting them, are presented in this prospectus."
Date:
July 15, 1957
Creator:
Fromm, L. W.; Bernsen, S. A.; Bullinger, C. F. & Matousek, J. F.
System:
The UNT Digital Library
Design and Performance Characteristics of Magnetic Jack-Type Control Rod Drive
Report concerning the design of the magnetic jack, which is a "hermetically sealed, step-motion linear motor which satisfies the need for a reliable, low-cost, nuclear reactor control rod drive." (p. 5)
Date:
December 1957
Creator:
Young, Joseph N.
System:
The UNT Digital Library
Hazards Summary Report on the Oxide Critical Experiments
Report describing a zero-power reactor facility (ZPR-VII), its systems, and associated hazards.
Date:
April 1957
Creator:
Redman, W. C.; Thie, J. A. & Dates, L. R.
System:
The UNT Digital Library
The Fabrication of Certain Jacketed Uranium Helices
Report describing the fabrication of Doppler Helices, which were 1/8 inch diameter x 12 foot long uranium core completely enclosed within a thin metal jacket and wound into a spring or helix shape.
Date:
May 1957
Creator:
Yaggee, F. L.
System:
The UNT Digital Library
Manufacture of Fuel Plates for the Experimental Boiling Water Reactor
From Abstract: "Discussed in the paper are the production of the uranium fuel alloy, the fabrication of the cladding components from Zircaloy-2 ingot, the assembly, welding, evacuation, and sealing of the cladding billets, the jacketing of the cladding billets with steel, and the roll bonding, heat treatment, stripping, and cleaning of the fuel plates. Evaluation of the fuel plates produced is also included."
Date:
June 1957
Creator:
Macherey, R. E.; Bean, C. H.; Carson, N. J., Jr. & Lindgren, J. R.
System:
The UNT Digital Library
A Shielded Metallograph for Remote Metallography
From Introduction: "This report presents the specific design requirements arising from these initial decisions, followed by description and keyed illustrations of the various features of the installation. The Bausch and Lomb Research Metallograph was the instrument chosen as being most readily adapted to the over-all plan."
Date:
October 1957
Creator:
Brown, F. L.; Haaker, L. W.; Paine, S. H. & Blomgren, R. A.
System:
The UNT Digital Library
A General Method for Comparing Thermal Performance of Fuel Element Geometries and Coolants for Non-Boiling Reactors
Report containing a method "for comparing the influence of various fuel element geometries on rector core shape or different specifications of thermal performance"(p. 7).
Date:
January 1957
Creator:
Freund, G. A. & London, A. L.
System:
The UNT Digital Library
Micro-Seismic Method of Determining the Stability of Underground Openings
From Introduction: "This report contains a summary of investigations conducted between 1940 to 1955. The characteristics of micro-seismims and the micro-seismic equipment are briefly reviewed. Generalizations regarding experimental procedure and analysis of results are presented."
Date:
1957
Creator:
Obert, Leonard & Duvall, Wilbur I.
System:
The UNT Digital Library
Development of the Fischer-Tropsch Oil-Recycle Process
From Introduction: "This report on the development of the oil-recycle process covers: 1. Review of the work in Germany on the first oil-circulation process. 2. Work by the Bureau of Mines, United States Department of the Interior. (a) Preliminary experiments on a laboratory scale, consisting of orientation tests and bench-scale operation, employing a 1-foot bed of catalyst in a 3-inch diameter vessel. (b) Operation of 2 pilot plants with a 4- or - 8 foot bed of catalyst in 3-inch-diameter reactors. Up to 3 gallons of C2+ hydrocarbons was produced per day in each of these plants. (c) Operation of a barrel-per-day pilot plant with an 8-foot bed of catalyst in an 8-inch-diameter reactor."
Date:
1957
Creator:
Benson, H. E.; Field, J. H.; Bienstock, D.; Nagel, R. R.; Brunn, L. W.; Hawk, C. O. et al.
System:
The UNT Digital Library
American Standard Recommended Practice for Drainage of Coal Mines (M6.1-1955, UDC 622.5)
Report discussing standardizations when dealing with pumps for draining and storing water in coal mines.
Date:
1957
Creator:
unknown
System:
The UNT Digital Library
Mine Flood Prevention and Control: Anthracite Region of Pennsylvania, Final Report of the Anthracite Flood-Prevention Project Engineers
Summary: "The engineering survey, summarized in this report, consisted of studies on acid mine water, underground-water pools, the "buried valley" of the Susquehanna River, inundated anthracite reserves, mine pumping plants, surface-water pools, seepage of surface water into mines, barrier pillars between mines, and geologic features of the region that included core drilling along alinement of the proposed Conowingo tunnel and to some extent along the proposed Marcus Hook alternate tunnel route. A comprehensive study was conducted to determine corrosion and erosion resistance of selected metals and alloys and to ascertain their suitability for components of pumps to be used in handling acid mine water."
Date:
1957
Creator:
Ash, S. H. (Simon Harry), b. 1889; Dierks, H. A. & Miller, P. S.
System:
The UNT Digital Library
Combustion of Solid Fuels in Thin Beds
From Introduction: "The investigations described in this report are a continuation and extension of these commercial and pilot-scale tests to include an investigation of the ignition and burning of solid fuels in thin beds, as on traveling - or chain grate stokers and a study of pure crossfeed combustion."
Date:
1957
Creator:
Carman, E. P.; Graf, E. G. & Corey, R. C.
System:
The UNT Digital Library
Syllabus of Clay Testing
From Introduction: "One of the many services rendered by the Federal Bureau of Mines is the identification and general examination of ore and mineral samples. This publication describes methods of testing these samples. The object of this publication is to present the testing procedures in general use in the industry up to the point where the checking becomes a quantitative one for particular products."
Date:
1957
Creator:
Klinefelter, T. A. & Hamlin, H. P.
System:
The UNT Digital Library
Report #26: Development of Photomultiplier Tubes
From Large Area Multiplier Phototubes: "Figure 1 illustrates the nature of the design required as compared to the cone design utilized previously, Fig. 2. The metal cone shown in Figure 1 will be welded onto flange of the cone in Figure 2."
Date:
December 1957
Creator:
Schenkel, F. W. & Snell, P. A.
System:
The UNT Digital Library
Research Continuation of Badger-Hickman Centrifugal Distallation Testing on Unit 4
From Summary: "The work covered by this report includes a variety of subjects designed, generally, to test the utility of a centrifugal phase barrier as the boiler-condenser unit of a vapor recompression still for producing water from sea water."
Date:
March 1957
Creator:
Badger Manufacturing Company
System:
The UNT Digital Library
United States Earthquakes, 1957
Report discussing earthquake activity in the United States during 1957. The report is broken down by regions and has sections for specific earthquakes.
Date:
1957
Creator:
unknown
System:
The UNT Digital Library
Fires, gases, and ventilation in metal and nonmetallic mines
Report including seven miners' circulars on accident prevention in metal and nonmetallic mines. The explain the cause of mine fires and methods used to prevent and control them, the occurrence of gases in mines, and the importance of standards in ventilation.
Date:
1957
Creator:
United States. Bureau of Mines.
System:
The UNT Digital Library
Accidents from explosives at metal and nonmetallic mines
Circular produced by the U.S. Bureau of Mines to promote safety through a series of reports on accident prevention in mines. According the the scope statement, "This is the fourth section of the revised series of circulars that cover various phases of accident prevention in metal and nonmetallic mines; it give information on accidents and injuries from storing, handling, and using explosive in metal and nonmetallic mines and discusses the precautions by which they can be prevented" (p. 2).
Date:
1957
Creator:
Cash, Frank E.
System:
The UNT Digital Library
Transonic Wind-Tunnel Tests of the Launch, Jettison, and Longitudinal Characteristics of an Airplane and Missile Model Combination
Report presenting tests of an airplane model equipped with missiles to investigate the capability of that combination to achieve satisfactory launching and jettisoning of the missiles. Information about pylon modifications, missiles in launch positions, missile trajectory, and missiles in jettison positions is provided.
Date:
November 20, 1957
Creator:
Cleary, Joseph W.; Frank, Joseph L. & Dewey, C. Forbes, Jr.
System:
The UNT Digital Library