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NACA Research Memorandums
55
Atomic Energy Commission Reports
33
United States Geological Survey Reports
31
National Bureau of Standards Reports
28
Argonne National Laboratory Reports
24
United States Bureau of Mines Reports
22
U.S. Waterways Experiment Station Reports
19
United States Fish and Wildlife Service Reports
16
NBS monograph
13
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13
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Theory of Characteristics
The theory of characteristics will be presented generally for quasilinear differential equations of the second order in two variables. This is necessary because of the manifold requirements to be demanded from the theory of characteristics.
Date:
September 1949
Creator:
Tollmien, W.
Object Type:
Report
System:
The UNT Digital Library
Rotationally Symmetric Potential Flows
This paper includes the following topics: 1) Characteristic differential equations; 2) Treatment of practical examples; 3) First example: Diffuser; and 4) Second Example: Nozzle.
Date:
November 1949
Creator:
Schäefer, Manfred & Tollmien, W.
Object Type:
Report
System:
The UNT Digital Library
Directional Stability of Towed Airplanes
"So far, very careful investigations have been made regarding the flight properties, in particular the static and dynamic stability, of engine-propelled aircraft and of untowed gliders. In contrast, almost no investigations exist regarding the stability of airplanes towed by a towline. Thus, the following report will aim at investigating the directional stability of the towed airplane and, particularly, at determining what parameters of the flight attitude and what configuration properties affect the stability" (p. 1).
Date:
January 1956
Creator:
Söhne, W.
Object Type:
Report
System:
The UNT Digital Library
Two-Dimensional Potential Flows
Contents include the following: Characteristic differential equations - initial and boundary conditions. Integration of the second characteristic differential equations. Direct application of Meyer's characteristic hodograph table for construction of two-dimensional potential flows. Prandtl-Busemann method. Development of the pressure variation for small deflection angles. Numerical table: relation between deflection, pressure, velocity, mach number and mach angle for isentropic changes of state according to Prandtl-Meyer for air (k = 1.405). References.
Date:
November 1949
Creator:
Schäefer, Manfred & Tollmien, W.
Object Type:
Report
System:
The UNT Digital Library
Pressure Distribution in Nonuniform Two-Dimensional Flow
In an attempt to follow the time rate of change of the processes in turbulent flows by quantitative measurements the measurement of the pressure is often beset with insuperable difficulties for the reason that the speeds and hence the pressures to be measured are often very small. On the other hand, the measurement of very small pressures requires, at least, considerable time, so that the follow-up of periodically varying processes is as goad as impossible. In order to obviate these difficulties a method, suggested by Prof. Prandtl, has been developed by which the pressure distribution is simply determined from the photographic flow picture.
Date:
January 1943
Creator:
Schwabe, M.
Object Type:
Report
System:
The UNT Digital Library
Laminar Flow About a Rotating Body of Revolution in an Axial Airstream
We have set ourselves the problem of calculating the laminar flow on a body of revolution in an axial flow which simultaneously rotates about its axis. The problem mentioned above, the flow about a rotating disk in a flow, which we solved some time ago, represents the first step in the calculation of the flow on the rotating body of revolution in a flow insofar as, in the case of a round nose, a small region about the front stagnation point of the body of revolution may be replaced by its tangential plane. In our problem regarding the rotating body of revolution in a flow, for laminar flow, one of the limiting cases is known: that of the body which is in an axial approach flow but does not rotate.
Date:
February 1956
Creator:
Schlichting, H.
Object Type:
Report
System:
The UNT Digital Library
Groundwater Flow Model (GWFM) Development, Midnite Mine, Wellpinit, Washington
This Report of Investigations (RI) is one of several describing work that has been completed by the U.S. Bureau of Mines at the Midnite uranium mine, Wellpinit, WA. Dean (in preparation) describes the entire project history. Four diskettes containing three archives compressed using WINZIP (or PKZIP) accompany the current RI. The ultimate purpose of this research effort was to develop a groundwater flow model (GWFM) for the Midnite Mine that can be utilized by the contractor preparing the Environmental Impact Statement (EIS) and by other interested parties. The objectives of this study were to (1) develop a shell model of the geology at the site, (2) develop the basis for a GWFM that will meet criteria described elsewhere in this RI and that can be updated with new information generated during the EIS process, and (3) present the results of two steady-state simulations of groundwater flow within the bedrock units. The current GWFM generates nonunique solutions because flow data for the bedrock units currently do not exist. However, the model provides useful results with respect to direction of flow. More data are required to model the bedrock aquifer system accurately. Volmnetric flow rates of the bedrock units should be measured …
Date:
1996
Creator:
Kirschner, Frederick E.
Object Type:
Report
System:
The UNT Digital Library
Colorado Yule Marble—Building Stone of the Lincoln Memorial
A report about the quality and consistency of the Colorado Yule marble mined in Marble, Colorado.
Date:
1998
Creator:
McGee, Elaine S.
Object Type:
Report
System:
The UNT Digital Library
Historic Fishing Methods in American Samoa
Report discussing the historic fishing practices that are common place among American Samoans. Report includes fishing techniques, types of fishing, and variation between villages.
Date:
June 2011
Creator:
Armstrong, Karen; Herdich, David & Levine, Arielle
Object Type:
Report
System:
The UNT Digital Library
Radioactive Drug Research, Final Summary Report, July 1949 to October 1959
Applications of radioisotopes in the preparation of labeled drugs are reviewed. Among the applications described are the preparation of carbon-14- labeled cardiac glycosides, and the biosyinthesis of carbon-14-labeled digitoxin, morphine, colchicine, atropine, podophyllotoxin, and nicotine. The fate and metabolism of many of these drugs were traced. Radiochemical procedures were developed for the synthesis of pure compounds of pharmacological interest labeled with carbon-14, sulfur-35, and tritium. Investigations were made on the phenomena of drug penetration into the central nervous system. Publications during the period are listed. (C.H.)
Date:
January 15, 1960
Creator:
Geiling, E. M. K. (Eugene Maximilian Karl), 1891-1971 & Roth, Lloyd J. (Lloyd Joseph), 1911-
Object Type:
Report
System:
The UNT Digital Library
Bibliography of Published Papers of the Atomic Bomb Casualty Commission (1947-1959)
References to 193 publications of staff members of the Atomic Bomb Casualty Commission during 1947 through 1959 are listed in both English and Japanese. Author and subject indexes are included.
Date:
1959
Creator:
Atomic Bomb Casualty Commission
Object Type:
Report
System:
The UNT Digital Library
A Computer-Based Accountability System (Phase I) for Special Nuclear Materials at Argonne-West
An automated accountability system for special nuclear materials (SNM) is under development at Argonne National Laboratory-West. Phase I of the development effort has established the following basic features of the system: a unique file organization allows rapid updating or retrieval of the status of various SNM, based on "batch numbers," storage location, serial number, or other attributes. Access to the program is controlled by an interactive user interface that can be easily understood by operators who have had no prior background in electronic data processing. Extensive use of structured programming techniques make the software package easy to understand and to modify for specific applications. All routines are written in FORTRAN.
Date:
May 1982
Creator:
Ingermanson, Randall Scott & Proctor, A. E.
Object Type:
Report
System:
The UNT Digital Library
Chromite and Other Mineral Deposits in Serpentine Rocks of the Piedmont Upland, Maryland, Pennsylvania and Delaware
From abstract: The Piedmont Upland in Maryland, Pennsylvania, and Delaware is about 160 miles long and at the most 50 miles wide. Rocks that underlie the province are the Baltimore gneiss of Precambrian age and quartzite, gneiss, schist, marble, phyllite, and greenstone, which make up the Glenarm series of early Paleozoic(?) age. These are intruded by granitic, gabbroic, and ultramafic igneous rocks. Most of the ultramafic rocks, originally peridotite, pyroxenite, and dunite, have been partly or completely altered to serpentine and talc; they are all designated by the general term serpentine. The bodies of serpentine are commonly elongate and conformable with the enclosing rocks.
Date:
1960
Creator:
Pearre, Nancy C. & Heyl, Allen V., Jr.
Object Type:
Report
System:
The UNT Digital Library
Mass and Mass Values
Report discussing the different bases for determining mass values and instances where these differences may be crucial. The first part is a historical summary of weighing, standards, and the assignment of value; and the interfacing of mass measurements with civilization. The second part discusses in detail the methods of assigning mass values. Ways to convert from values on one basis to values on another basis are discussed.
Date:
January 1974
Creator:
Pontius, Paul E.
Object Type:
Report
System:
The UNT Digital Library
The International Metric System of Weights and Measures
General overview of the metric system.
Date:
May 26, 1932
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Manual of Fire-Loss Prevention of the Federal Fire Council
From preface: "This issue of the Manual of Fire-Loss Prevention, the first edition of which was published in 1934, includes revisions and additions made in part to cover improvements in the past 10 years in methods of preventing and controlling fires. Such methods remain dependent largely on the elimination of preventable fires and abatement of loss from those that originate, by the use of appropriate designs and materials in building construction and the installation of applicable fire alarm and extinguishing equipment, to the extent justified by the hazard" (p. ii).
Date:
1945
Creator:
Federal Fire Council (U.S.)
Object Type:
Report
System:
The UNT Digital Library
Changing Oceans and Changing Fisheries: Environmental Data for Fisheries Research and Management
The following report is the proceedings of a workshop convened at NOAA's Pacific Fisheries Environmental Group in Pacific Grove, California, on July 16-18 1996, to examine the uses of environmental data for fisheries.
Date:
April 1997
Creator:
Boehlert, George W. & Schumacher, James D.
Object Type:
Report
System:
The UNT Digital Library
Coastal Cliff Sediments, San Diego Region, Dana Point to the Mexican Border (1887 to 1947)
From Summary: These studies document the temporally episodic and areally site-specific character of subaerial erosion, which is shown to be directly related to prevailing meteorologic conditions.
Date:
December 1988
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
The Effects of 250-kv X-Ray on the Dog's Pancreas: Morphological and Functional Changes
Previous investigations that the pancreas is a radioresistant organ. Ivy in 1924 noted the presence of a fibrotic atrophic pancreas in a dog which had received one erythema dose to the epigastrium. Fisher in 1923 reported that four to five erythema doses delivered in a single application caused complete disappearance of the irradiated pancreatic remnant in about two months. These dogs died because of uncontrolled diabetes. One dog that received four erythema doses (possibly 200 r) was sacrificed after five months. At autopsy the irradiated pancreas had disappeared, but 275 mgm of regenerated pancreas were found at the base of the main duct and 100 mgm at the base of the accessory duct. Leven in 1933 implanted radon seeds into the pancreas. Dosages varied from 528 to 1584 millicurie hours. At postmorten the pancreas surrounding the seeds demonstrated fibrous atropy and foci of necrosis. The islets appeared normal but were relatively larger in size. Rauch in 1952 reported that dogs given 200 r in air over the pancreas on alternate days until a total of 1600 r was received failed to show any histological changes after two months. Lushbaugh and Spalding and Lushbaugh reported that over 1500 r of whole-body …
Date:
February 1, 1963
Creator:
Archamefau, John; Griem, Melvin & Harper, Paul
Object Type:
Report
System:
The UNT Digital Library
Synopsis of Biological Data on the Green Turtle in the Hawaiian Islands
This report is a synopsis of biological data on the green turtle in the Hawaiian island, including their ecology and life phases, population, exploitation, and the protection and management as of September 1979.
Date:
October 1980
Creator:
Balazs, George H.
Object Type:
Report
System:
The UNT Digital Library
Comparison of performance of AN-F-58 and AN-F-32 fuels in J33-A-23 turbojet engine
Report presenting an investigation using a 4600 pound-thrust turbojet engine as part of a program to determine the comparative performance of fuels conforming to specifications AN-F-58 and AN-F-32. Results regarding the altitude performance, altitude low-speed blow-out limits, idling limits of fuel-metering control, altitude windmilling starts, carbon-deposition rates, and iron oxide contamination are provided.
Date:
June 2, 1949
Creator:
Wilsted, H. D. & Armstrong, J. C.
Object Type:
Report
System:
The UNT Digital Library
Preservation of Documents by Lamination
From Abstract: "Composition and performance specifications for a cellulose acetate laminating film suitable for a cellulose acetate laminating film suitable for archival use are presented. The properties of polyethylene and polyethylene terephthalate films of interest in connection with their possible use for the protection of documents are discussed."
Date:
October 30, 1959
Creator:
Wilson, William K. & Forshee, B. W.
Object Type:
Report
System:
The UNT Digital Library
Foreign Literature on Coal: A Guide to Abstracts and Translations
Report issued by the U.S. Bureau of Mines discussing translations of scientific literature on coal and coal technologies. As stated in the introduction, "this guide describes only the sources used to obtain information on foreign coal technology" (p. 1). This report includes tables.
Date:
1961
Creator:
Esfandiary, Mary S.
Object Type:
Report
System:
The UNT Digital Library
Information Selection Systems Retrieval Replica Copies: a State-of-the-Art Report
Description of 15 specific systems employing search-type selection principles.
Date:
December 31, 1961
Creator:
Bagg, Thomas C. & Stevens, Mary Elizabeth
Object Type:
Report
System:
The UNT Digital Library