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  • An empirical study on the process of mechanical design

    Creator:
    Stauffer, Larry A.
    Abstract:
    An information processing model of the problem-solving performance of mechanical designers is presented for four design tasks: conceptual assembly design, layout component design, detail component design, and catalog selection. These tasks are organized into six kinds of segments called episodes, which describe the goal structure of the designer while performing...
    Resource Type:
    Dissertation
    Full Text:
    in the STM. The recorded data provide a detailed report of the performance of a subject during

  • Mechanical design history content : the information requests of design engineers

    Creator:
    Kuffner, Tom A.
    Abstract:
    This thesis reports on research conducted to determine the information which should be included in a mechanical design history. This is part of a larger research effort aimed at developing a computer tool for storing and replaying mechanical design history information. Three question-asking protocols were conducted to determine what information...
    Resource Type:
    Masters Thesis
    Full Text:
    Electronic Design Notebook -- Performing Medium and Processing Medium". This is a report on the development

  • A computer-based design history tool

    Creator:
    Chen, Ai-hua
    Abstract:
    In current practice, design documentation often fails to support the activities of design understanding, communication, and redesign. A Design History Tool has been developed to improve current design documentation. This tool is a computerized design history that represents and plays back important information generated during the process of designing a...
    Resource Type:
    Dissertation
    Full Text:
    correcting the report is greatly appreciated. I wish to thank Dr. Robert Young for granting me the

  • The design capture system : capturing back-of-the-envelope sketches

    Creator:
    Hwang, Teng-shang
    Abstract:
    A system which allows the computer to capture sketches made by a mechanical designer is described. The system not only recognizes basic features as they are sketched, but it also reasons the spatial relationships between features and builds a high level abstract representation (feature model) of the artifact. The temporal...
    Resource Type:
    Dissertation
    Full Text:
    and correcting the report was greatly appreciated. To professors and my good friends in the

  • Model based visualization of vibrations in mechanical systems

    Creator:
    Jitpraphai, Thanat
    Abstract:
    To visualize vibrations in mechanical systems, e.g., machine tools, their movements are measured by means of suitable sensors. The signals from these sensors are processed and displayed as animated pictures on a computer screen. Accelerometers have been chosen as the most suitable sensors for this purpose. Their main advantages include...
    Resource Type:
    Masters Thesis
    Full Text:
    component, e.g., a dynamometer's platform. Vibration signals were acquired using a data acquisition (DAQ

  • Emissivity data for uranium dioxide

    Creator:
    Claudson, Thomas Tucker
    Resource Type:
    Masters Thesis
    Full Text:
    data are given later in this report. Duplication of results proved very difficult, especially at

  • Experimental and analytical characterization of bidirectional reflectance data for engineering materials

    Creator:
    Zaworski, Joseph Robert
    Abstract:
    Bidirectional reflectance is a fundamental property used for the analysis of radiative heat transfer. It is a form of reflectivity in which the spectral and directional dependencies of both the beam incident on a surface and the beam reflected from the surface are specified. A new system has been designed...
    Resource Type:
    Dissertation
    Full Text:
    bidirectional reflectance data for engineering materials AN ABSTRACT OF THE THESIS OF Joseph R. Zaworski for

  • Constrained thin film desorption through membrane separation

    Creator:
    Thorud, Johnathan D.
    Abstract:
    A constrained thin film desorption scheme has been experimentally tested to determine the desorption rates for water from an aqueous lithium bromide mixture through a confining membrane. Variable conditions include the inlet concentration, pressure differential across the membrane, and channel height. Desorption takes place in a channel created between two...
    Resource Type:
    Masters Thesis
    Full Text:
    kPa were imposed along with two channel heights of 170 jim and 745 jim. All cases were run at an

  • Modeling the thermal effects of fabricated fuel-to-cladding gap in fast reactor fuel

    Creator:
    Baker, Ronald Blair
    Abstract:
    This report presents a refined method for the calculation of fuel centerline temperatures and the linear-heat-rating-to-incipient melting, ' Q'[subscript m], of mixed-oxide fuel typical of that to be used in the Fast Flux Test Facility and in Liquid Metal Fast Breeder Reactors. Of primary concern are the effects of the...
    Resource Type:
    Masters Thesis
    Full Text:
    pins. The majority of the data used in this report, however, are from pins which were back-filled with

  • Creep studies on Pheasant, Narcissus and Chukar aluminum conductors

    Creator:
    Patton, John Dennis
    Abstract:
    This thesis is an engineering report on the creep behavior of power transmission line conductors. Laboratory creep test results are reported for Pheasant, Narcissus and Chukar conductors. The report follows a standard nomenclature and format suggested by the International Study Committee No. 6 of Conference Internationale des Grands Reseaux Electriques...
    Resource Type:
    Masters Thesis
    Full Text:
    engineering report on the creep behavior of power transmission line conductors. Laboratory creep test