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  • Modeling the Oregon State University TRIGA Reactor Using the Attila Three-Dimensional Deterministic Transport Code

    Creator:
    Keller, S. Todd
    Abstract:
    Attila is a state-of-the-art radiation transport based code that is efficient, accurate and straightforward to use. Geometric information is input to the code as CAD drawings. Material property information is input as a cross section library. The user has full control over standard transport options and output reports. In phase...
    Resource Type:
    Masters Thesis
    Full Text:
    Radiation Health Physics Department, Dr. John Lee of the Mathematics Department and Dr. Thomas Plant of

  • A "mildly inconsistent" method for accelerating upstream corner balance transport

    Creator:
    Gulick, John C.
    Abstract:
    A new method for accelerating the Upstream Corner Balance (UCB) discretization of the equation of transfer is introduced. The inconsistent acceleration equations for the UCB discretization are derived by applying the "Modified 4-Step" diffusion synthetic acceleration technique not to the UCB discretization, but instead to the simple corner balance (SCB)...
    Resource Type:
    Masters Thesis
    Full Text:
    Engineering), Dr. Rubin Landau (Physics), and Dr. Tom Plant (Electrical/Computer Engineering). Finally I would

  • SBLOCA analysis for nuclear plant shutdown operations

    Creator:
    Wang, Yi
    Abstract:
    A series of small break loss of coolant accident (SBLOCA) analyses in nuclear plant shutdown operations was simulated using the code RELAP5A,MOD3 version 8.0 to predict the SBLOCA phenomena in the Zion-l nuclear power plant The first objective is to study the impact of SBLOCA (1" and 2" breaks) on...
    Resource Type:
    Masters Thesis
    Full Text:
    for Small Break LOCA During Plant Shutdown in 1" Break Case 66 List of Figures Figure Page 1.1

  • An on-line advanced plant simulator (OLAPS)

    Creator:
    Samuels, Jeffery W.
    Abstract:
    A PC based on-line advanced plant simulator (OLAPS) for high quality simulations of Portland General Electric's Trojan Nuclear Facility is presented. OLAPS is designed to simulate the thermal-hydraulics of the primary system including core, steam generators, pumps, piping and pressurizer. The simulations are based on a five equation model that...
    Resource Type:
    Dissertation
    Full Text:
    An on-line advanced plant simulator AN ABSTRACT OF THE

  • Direct shear testing of UO₂ sphere-pac nuclear reactor fuel

    Creator:
    Jenks, Richard P.
    Abstract:
    The design, development, and utilization of a direct shear test apparatus is presented in this thesis. The effectiveness of the device for determining the friction angle stress state parameter is studied. Two materials, alumina and uranium dioxide, were tested. Alumina microspheres were employed in the initial experiments to simulate the...
    Resource Type:
    Masters Thesis
    Full Text:
    members, Dr. S. E. Rinney, Dr. J. Arthur, and Dr. T. K. Plant, I also express my earnest gratitude. In

  • Nonintrusive intelligent monitoring for nuclear power plant emergency classification

    Creator:
    Greene, Kenneth R. (Kenneth Ray), 1958-
    Abstract:
    A prototype real-time process monitoring emergency classification expert system, RT/EM-CLASS, has been developed for use at the Trojan Nuclear Power Plant. This knowledge-based system features the integration of electronically sensed plant data with the menu selection data representation of its predecessor, EM-CLASS. This prototype demonstrates the techniques required to acquire...
    Resource Type:
    Dissertation
    Full Text:
    range of individuals who would have varying familiarity with the plant and emergency classification

  • The missile hazard of surface traffic accidents to nuclear power plants

    Creator:
    Earle, Otis Keener
    Abstract:
    A method is presented for appraising the hazards to nuclear power plants from missiles from surface traffic accident explosions. Due to the infrequency with which surface traffic accident explosions occur and the poor records kept concerning them, a probabilistic method is chosen to investigate the overall hazards potential to nuclear...
    Resource Type:
    Masters Thesis
    Full Text:
    nuclear plant strike a safety related component at the plant or the walls of a structure housing such

  • A general theory of flooding implementing the cuspoid catastrophe

    Creator:
    Lafi, Abd Y.
    Abstract:
    The flooding phenomenon can be defined as the maximum attainable flow condition beyond which the well defined countercurrent flow pattern can no longer exist. Thus the countercurrent flow limit (CCFL) or the flooding limit may be thought of as the flow condition at which the strong interaction between the two...
    Resource Type:
    Dissertation
    Full Text:
    . Ring le, L. R. Davis, A. C. Klein, and T. Plant for serving as my committee members. Amongst the

  • A study of return to saturation oscillations in the OSU APEX thermal hydraulic testing facility

    Creator:
    Franz, Scott C.
    Abstract:
    The purpose of this paper is to describe the flow oscillations which occur in the AP600 long term cooling test facility at Oregon State University. The AP600 system is an advanced pressurized water reactor design utilizing passive emergency cooling systems. A few hours after the initiation of a cold leg...
    Resource Type:
    Dissertation
    Full Text:
    sizes do not exhibit oscillations. The APOS (Advanced Plant Oscillation Simulator) computer code has

  • A knowledge-based approach for monitoring and situation assessment at nuclear power plants

    Creator:
    Heaberlin, Joan Oylear
    Abstract:
    An approach for developing a computer-based aid to assist in monitoring and assessing nuclear power plant status during situations requiring emergency response has been developed. It is based on the representation of regulatory requirements and plant-specific systems and instrumentation in the form of hierarchical rules. Making use of inferencing techniques...
    Resource Type:
    Dissertation
    Full Text:
    assessing nuclear power plant status during situations requiring emergency response has been developed