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  • A feasibility analysis of high conversion ratio pressurized water reactor designs

    Creator:
    Kliewer, Charles P.
    Abstract:
    A significant amount of interest has been aroused recently concerning the advancement of the current pressurized water reactor core designs with a special emphasis towards improving the conversion characteristics of these reactors. Most reports have been divided into two camps; those that deal with the neutronic aspects and those that...
    Resource Type:
    Masters Thesis
    Full Text:
    combined for purposes of evaluating a new design. In this effort, the author takes a pragmatic approach

  • System modeling and reactor design study of an advanced incore thermionic space reactor

    Creator:
    Lee, Hsing Hui
    Abstract:
    Incore thermionic space reactor design concepts which operate at a nominal power output range of 20 to 50 kWe are described. Details of the neutronic, thermionic, thermal hydraulics and shielding performance are presented. Due to the strong absorption of thermal neutrons by natural tungsten, and the large amount of that...
    Resource Type:
    Masters Thesis
    Full Text:
    design and construction of an incore thermionic reactor using single cell thermionic fuel elements

  • Development of systems analysis program for space reactor studies

    Creator:
    Lewis, Bryan R.
    Abstract:
    An overall systems design code was developed to model an advanced in-core thermionic energy conversion based nuclear reactor system for space applications at power levels of 10 to 50 kWe. The purpose of this work was to provide the overall shell for the systems code and to also provide the...
    Resource Type:
    Masters Thesis
    Full Text:
    REACTOR STUDIES Abstract approved: Dr. Andrew Klein An overall systems design code was developed to

  • Design, construction, and analysis of a skin contamination dosimeter

    Creator:
    Cazalas, Edward J.
    Abstract:
    International recommendations provided by the International Commission on Radiation Protection (ICRP), as well as national regulations, set by the U.S. Nuclear Regulatory Commission (NRC), state that the exposure of skin to highly concentrated radioactive sources should be monitored at specified depths in skin and kept below specific dose equivalence levels....
    Resource Type:
    Masters Thesis
    Full Text:
    3333333333333333333333333333333333333333333333333333333 FIX# # # # # # # # # # # # # # Design, Construction, and Analysis of a Skin

  • Preliminary design and analysis of a rotating bubble membrane radiator for space-based nuclear power systems

    Creator:
    Webb, Brent Jonathan
    Abstract:
    The development of a novel high temperature space radiator is described. A Rotating Bubble Membrane Radiator (RBMR) combines the best features of heat pipes and droplet radiators while avoiding their negative attributes. The RBMR offers light weight, self deployment, ease of startup and its performance is less affected by acceleration....
    Resource Type:
    Masters Thesis
    Full Text:
    Preliminary design and analysis of a rotating bubble

  • Nuclear design analysis of low-power (1-30 KWe) space nuclear reactor systems

    Creator:
    Gedeon, Stephen R.
    Abstract:
    Preliminary nuclear design studies have been completed on ten configurations of nuclear reactors for low power (1-30 kWe) space applications utilizing thermionic energy conversion. Additional design studies have been conducted on the TRICE multimegawatt in-core thermionic reactor configuration. In each of the cases, a reactor configuration has been determined which...
    Resource Type:
    Masters Thesis
    Full Text:
    Nuclear Design Analysis of Low-Power (1-30 KWe) Space

  • Hard spectrum reactor design criterion for actinide utilization

    Creator:
    Prichard, Andrew W.
    Abstract:
    The United States nuclear industry is under significant public pressure to close the nuclear fuel cycle. Closing the fuel cycle will require that nuclear waste, fission products and transuranics, except plutonium (actinides), be disposed of by permanent burial. The actinides can be buried with the fission products, but this will...
    Resource Type:
    Masters Thesis
    Full Text:
    Hard Spectrum Reactor Design Criterion for Actinide

  • Ultralight fabric reflux tube thermal vacuum testing

    Creator:
    Pauley, Keith Alan
    Abstract:
    Five Ultra light Fabric Reflux Tubes (UFRTs) were tested in a thermal vacuum chamber at the National Aeronautics and Space Administration's Johnson Space Center in September 1994. These test articles were design and fabricated by staff at the Pacific Northwest Laboratory, operated by Battelle Memorial Institute for the United States...
    Resource Type:
    Masters Thesis
    Full Text:
    articles were design and fabricated by staff at the Pacific Northwest Laboratory, operated by Battelle

  • Scaling of the thermal mixing processes within the lower plenums of VHTR designs

    Creator:
    Van Horn, Matthew A.
    Abstract:
    The Very High Temperature Reactor (VHTR) design was one of six designs chosen for development under the Generation IV initiative. Thermal mixing of the coolant at the exit of the reactor has been a common concern for VHTR reactor designs. Thermal mixing processes are commonly investigated through the use of...
    Resource Type:
    Masters Thesis

  • System model of a natural circulation integral test facility

    Creator:
    Galvin, Mark Robert, 1967-
    Abstract:
    The Department of Nuclear Engineering and Radiation Health Physics (NE/RHP) at Oregon State University (OSU) has been developing an innovative modular reactor plant concept since being initiated with a Department of Energy (DoE) grant in 1999. This concept, the Multi-Application Small Light Water Reactor (MASLWR), is an integral pressurized water...
    Resource Type:
    Dissertation
    Full Text:
    for construction. Design Certification indicates that the NRC has conducted a detailed technical