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Analysis of the LOFT Modular Drag Disc Turbine Transducer (MDTT) spring for compressive buckling
The LOFT Modular Drag Disc Turbine Transducer (MDTT) springs (for range 2, rhoV/sup 2/ = 4900 lbm/ft-sec/sup 2/) were analyzed to determine the static rhoV/sup 2/ load needed to cause a buckling failure. The static load needed to cause elastic buckling was found to be equivalent to a rhoV/sup 2/ value of 431,000 lbm/ft-sec/sup 2/ according to classical buckling theory, but could be as low as rhoV/sup 2/ = 100,000 lbm/ft-sec/sup 2/ due to uncertain end fixity and other spring imperfections.
Date:
August 4, 1978
Creator:
Mosby, W.R.
Object Type:
Report
System:
The UNT Digital Library
Investigation of waste heat recovery utilizing fluidized bed heat exchangers
An experimental and analytical investigation was conducted to evaluate the economic potential of shallow fluidized bed heat exchangers to recover the waste heat in the exhaust gases from large diesel engines. The program involved: (1) experiments to measure the heat transfer, pressure loss, and fouling characteristics of a commercially available shallow fluidized bed heat exchanger, and (2) conceptual design of a fluidized bed heat exchanger for a particular diesel exhaust waste heat recovery application. Two alternative designs were developed. The first design was based upon the measured characteristics of the tested unit while the second design used extrapolations of these results. The shallow fluidized bed heat exchanger used in the experimental program is a commercial unit designed to transfer 140,000 Btu h from 436/sup 0/F flue gases to 160/sup 0/F water.
Date:
November 1, 1978
Creator:
Cole, W.E.
Object Type:
Report
System:
The UNT Digital Library
Stress analysis of the LOFT modular DTT flowmeter for LOCE transients (L1-5 and L2-4)
An analysis is presented of combined stresses in the LOFT Modular DTT for specified temperature gradients. All combined stress intensities are shown to stay within applicable allowable stress intensities. A fatigue analysis is also presented which indicates that the LOFT Modular DTT will withstand 70,000 blowdown cycles. The LOFT Modular DTT is shown to meet the Class 1 stress requirments. A stress analysis of the tab region of the newly designed MDTT tab-type shroud is included. This stress analysis shows that the Class 1 stress requirements are met by the tab-type MDTT shroud design and that this design imposes no fatigue life limitation on the MDTT.
Date:
August 16, 1978
Creator:
Mosby, W.R.
Object Type:
Report
System:
The UNT Digital Library
The Perry Daily Journal (Perry, Okla.), Vol. 85, No. 268, Ed. 1 Thursday, December 14, 1978
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 14, 1978
Creator:
Watson, Milo W.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Perry Daily Journal (Perry, Okla.), Vol. 85, No. 245, Ed. 1 Thursday, November 16, 1978
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
November 16, 1978
Creator:
Watson, Milo W.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Perry Daily Journal (Perry, Okla.), Vol. 85, No. 13, Ed. 1 Thursday, February 16, 1978
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
February 16, 1978
Creator:
Watson, Milo W.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Perry Daily Journal (Perry, Okla.), Vol. 85, No. 58, Ed. 1 Tuesday, April 11, 1978
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
April 11, 1978
Creator:
Watson, Milo W.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Nuclear data development and shield design for neutrons below 60 MeV
A nuclear data library was created for medium-energy-neutron-transport calculations. The 60-group library includes P/sub 5/ cross sections in standard LASL format for H, B, C, N, O, Si, Fe, and W. The 60-group structure was chosen from a sensitivity analysis of a thick iron shield calculated with a 50-MeV deuteron-on-beryllium neutron source spectrum and a 121-group cross-section set. The library combines processed ENDF/B-IV cross-section data below 20 MeV and higher-energy cross-section parameters calculated with the intranuclear-cascade and evaporation model. A 6-group version of the library is used in the design of a shield-collimator unit for fast-neutron radiotherapy. While the shield is specific for the 50-MeV d/sup +/--Be neutron source presently used in cancer therapy at Texas A and M University, the cross sections and methods developed are applicable to the problems of medium-energy-neutron shielding in general. 28 figures, 21 tables, 132 references.
Date:
February 1, 1978
Creator:
Wilson, W.B.
Object Type:
Report
System:
The UNT Digital Library
The Perry Daily Journal (Perry, Okla.), Vol. 85, No. 83, Ed. 1 Wednesday, May 10, 1978
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
May 10, 1978
Creator:
Watson, Milo W.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Perry Daily Journal (Perry, Okla.), Vol. 85, No. 75, Ed. 1 Monday, May 1, 1978
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
May 1, 1978
Creator:
Watson, Milo W.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Perry Daily Journal (Perry, Okla.), Vol. 85, No. 235, Ed. 1 Saturday, November 4, 1978
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
November 4, 1978
Creator:
Watson, Milo W.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Perry Daily Journal (Perry, Okla.), Vol. 85, No. 263, Ed. 1 Friday, December 8, 1978
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 8, 1978
Creator:
Watson, Milo W.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Perry Daily Journal (Perry, Okla.), Vol. 85, No. 142, Ed. 1 Wednesday, July 19, 1978
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
July 19, 1978
Creator:
Watson, Milo W.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Pacific Northwest Laboratory annual report for 1977 to the DOE Assistant Secretary for Environment. Part 1. Biomedical sciences
Separate abstracts were prepared for 68 sections of this report that discuss the health hazards associated with the nuclear fuel cycle, fossil fuel cycle, oil shale processing, and biomagnetic effects associated with fusion. A list is included of 52 publications during the time period covered by this report.
Date:
February 1, 1978
Creator:
Wiley, W.R.
Object Type:
Report
System:
The UNT Digital Library
Solar technology applications: a survey of solar powered irrigation systems
Published information on solar powered irrigation systems is presented. Thermal solar systems, thermoelectric solar systems, and photovoltaic solar systems are included. A bibliography and survey of on-going work is presented. (WHK)
Date:
April 17, 1978
Creator:
Newkirk, Herbert W.
Object Type:
Report
System:
The UNT Digital Library
Materials Technology for Coal-Conversion Processes Quarterly Report: April-June 1978
Quarterly report of the Argonne National Laboratory Materials Science Division, including studies on ceramic (refractory) and metallic materials for use in coal-conversion processes as well as studies of erosive wear, nondestructive testing, corrosion, refractory degradation, and failure analysis.
Date:
1978
Creator:
Ellingson, W. A.
Object Type:
Report
System:
The UNT Digital Library
Elemental composition of human teeth with emphasis on trace constituents: a review
Literature covered by the current review is based on a search of Chemical Abstracts, 1917 through 1975. Early studies, pre-dating 1940, are referenced primarily for historical interest. Emphasis is on the micro-constituents of human teeth, those present at concentrations less than a few tenths of a percent by weight. Within this category of data, we have been primarily concerned with the radiochemically stable nuclides. The important relationship between caries and trace elements is covered only insofar as carious teeth exhibit properties with respect to trace element composition that differ from normal teeth. Having made these disclaimers, we note that an attempt has been made to cover the literature exhaustively; although some important results have undoubtedly been overlooked. It is our hope, however, that sufficient material has been included in this review to facilitate further recovery of data by interested individuals. In Chapter 1, analytical techniques that have been employed in this field are briefly presented; discussion centers on problems associated with preparation of specimens for analysis. Chapter 2 is devoted to topical coverage of data on the inorganic composition of teeth. An element-by-element tabulation of concentration data is provided, our statistical analysis of selected data explained, and evidence concerning several …
Date:
April 1, 1978
Creator:
Sachs, W H
Object Type:
Report
System:
The UNT Digital Library
Christian Chronicle (Oklahoma City, Okla.), Vol. 35, No. 10, Ed. 1 Tuesday, May 30, 1978
Biweekly newspaper from Oklahoma City, Oklahoma that includes news and information about the Churches of Christ along with advertising.
Date:
May 30, 1978
Creator:
Beckloff, John W.
Object Type:
Newspaper
System:
The Portal to Texas History
The Perry Daily Journal (Perry, Okla.), Vol. 85, No. 50, Ed. 1 Saturday, April 1, 1978
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
April 1, 1978
Creator:
Watson, Milo W.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Development and testing of a three-stage double tandem accelerator-decelerator system for low energy, highly stripped ions. Progress report, March 1, 1978--February 28, 1979
Three-stage operation of the University of Pittsburgh accel-decel double tandem source of highly stripped ion beams is described. The system has produced 0/sup 5 +/, 0/sup 6 +/, 0/sup 7 +/, and 0/sup 8 +/ ions at specific energies as low as 15 keV per AMU. The design of the new decelerator tubes is discussed. The present performance and limitations of the overall system are outlined. Some new charge exchange cross sections have been measured, for combined higher ion charge states and lower ion energies than heretofore was possible. Future four-stage operation with very heavy ions is considered.
Date:
November 1, 1978
Creator:
Bayfield, J E
Object Type:
Report
System:
The UNT Digital Library
Christian Chronicle (Oklahoma City, Okla.), Vol. 35, No. 1, Ed. 1 Tuesday, January 24, 1978
Biweekly newspaper from Oklahoma City, Oklahoma that includes news and information about the Churches of Christ along with advertising.
Date:
January 24, 1978
Creator:
Beckloff, John W.
Object Type:
Newspaper
System:
The Portal to Texas History
Christian Chronicle (Oklahoma City, Okla.), Vol. 35, No. 14, Ed. 1 Tuesday, August 8, 1978
Biweekly newspaper from Oklahoma City, Oklahoma that includes news and information about the Churches of Christ along with advertising.
Date:
August 8, 1978
Creator:
Beckloff, John W.
Object Type:
Newspaper
System:
The Portal to Texas History
Analysis of particle species evolution in neutral beam injection lines
Analytic solutions to the rate equations describing the species evolution of a multispecies positive ion beam of hydrogen due to charge exchange and molecular dissociation are derived as a function of the background gas (H/sub 2/) line density in the neutralizing gas cell and in the drift tube. Using the solutions, calculations are presented for the relative abundance of each species as a function of the gas cell thickness, the reionization loss rates in the drift tube, and the neutral beam power as a function of the beam energy and the species composition of the original ion beam.
Date:
July 1, 1978
Creator:
Kim, J. & Haselton, H. H.
Object Type:
Report
System:
The UNT Digital Library
The Perry Daily Journal (Perry, Okla.), Vol. 85, No. 53, Ed. 1 Wednesday, April 5, 1978
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
April 5, 1978
Creator:
Watson, Milo W.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History