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  • A hazardous-inspection model with costly repair

    Creator:
    Yang, Minghui
    Abstract:
    An inspection-repair model is developed that presumes inspection is hazardous to the system being inspected. The form of the optimal inspection-repair policy is determined for different ranges of the model's parameters. The model is formulated as a partially observable Markov decision process with finite numbers of states and actions. The...
    Resource Type:
    Dissertation
    Full Text:
    A hazardous-inspection model with costly repair AN

  • The plume model for large utility scale atmospheric fluidized bed combustors

    Creator:
    Park, Dalkeun
    Abstract:
    The atmospheric fluidized bed combustor (AFBC) is an alternative to the pulverized coal burner. The size of a utility scale AFBC would be enormous so that the use of large particles is necessary to reduce its size. In modeling the combustion of coal and capture of sulfur released from the...
    Resource Type:
    Dissertation
    Full Text:
    The plume model for large utility scale atmospheric

  • Critical evaluation of Ouyang's model reduction method

    Creator:
    Jia, Zuxin
    Abstract:
    A model reduction method for stable, linear, time-invariant, continuous systems is critically studied. This method, proposed by Prof. Ouyang, is based on the concept of power dispersion and the least-squared estimation technique. The reduced models obtained by this method retain the stability of the stable, high order original systems and...
    Resource Type:
    Masters Thesis
    Full Text:
    Engineering presented on June 9, 1989. Title: Critical Evaluation of Ouyang's Model Reduction Method

  • Wave interaction with rubble mound structures

    Creator:
    Yoo, Chul-hee
    Abstract:
    The objective of this study is the development and verification of an analytical solution for an unsteady flow field partially occupied by a permeable structure. Flow is induced by a small amplitude incident wave train and the permeable structure may contain multilayered anisotropic but homogeneous material. The analytical solution developed...
    Resource Type:
    Masters Thesis
    Full Text:
    application of simplified mathematical models. In 1985, Kobayashi and Jacobs developed a mathematical model

  • Burnup dependent neutron flux and heat source distribution in sphere-pac mixed carbide fuels

    Creator:
    Robinson, Cheryl A.
    Abstract:
    Through a joint effort by the Swiss Federal Institute for Reactor Research and Oregon State University, the fuels modeling code SPECKLE is being developed to model sphere-pac mixed carbide nuclear fuel. Major parameters, such as fission gas release, fuel restructuring phenomena, and the temperature and porosity distributions in the fuel...
    Resource Type:
    Masters Thesis
    Full Text:
    of Master of Science in Nuclear Engineering presented on July 6, 1981 Title: Burnup Dependent