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  • Microscale thermal management using membrane vapor extraction

    Creator:
    Apreotesi, Mario A.
    Abstract:
    With the miniaturization of microelectronics and increase of processor speeds in the last few decades, thermal management is drastically affecting overall packaging and system capabilities. Due to the special needs introduced, research focusing on microscale cooling has increased. This study combines the positive characteristics of single- and two-phase flows in...
    Resource Type:
    Honors College Thesis
    Full Text:
    AN ABSTRACT OF THE THESIS OF Mario A

  • The leading edge of a tropical instability wave : interpretation as a gravity current

    Creator:
    McHugh, Elizabeth Helen
    Abstract:
    A sharp temperature front, oriented along the south-west corner of the leading edge of a Tropical Instability Wave (TIW) warm trough, was encountered at 0°N, 140°W on November 2, 2008 and detected by a 0.45°C increase in SST that occurred over 7 s. The distinct SST signal was observed at...
    Resource Type:
    Masters Thesis
    Full Text:
    : __________________________________________________________________ James N. Moum A sharp temperature front, oriented along the south-west corner of the

  • Contribution of cold seep barite to the barium geochemical budget of a marginal basin

    Creator:
    McQuay, Erica L.
    Abstract:
    Large barite (BaSO4) structures mark cold seeps in the southern San Clemente Basin. Barium flux to San Clemente sediments is two to three times greater than fluxes measured in surrounding California Borderland basins. Analyses of sediment trap material, water column samples, sediments and pore water indicate that expected bariumbearing mineral...
    Resource Type:
    Masters Thesis
    Full Text:
    , 2006. Title: Contribution of Cold Seep Barite to the Barium Geochemical Budget of a Marginal Basin

  • Preliminary Numerical Study of a Condenser Using Fractal-Like Patterned Hydrophobic and Hydrophilic Strips

    Creator:
    Lazaroff, Spencer A.
    Abstract:
    Condensers are vital components of power plants and are often one of the most major cost concerns when planning construction. Generally speaking, the surface area required to dissipate the heat generated in the boiler is so great that enormous and expensive structures are necessary. The usage of a hybrid surface...
    Resource Type:
    Honors College Thesis
    Date Created:
    Full Text:
    Preliminary Numerical Study of a Condenser Using Fractal-Like

  • Freeze Stage Analysis of an Indirect Freeze Desalination System

    Creator:
    Whitaker, Trevor A.
    Abstract:
    Freeze desalination poses as a potential solution to many of the issues that accompany current desalination methods. The research detailed in this manuscript involves creating and analyzing a numerical model of the freezing operation of an indirect contact freeze-melting (FM) desalination system. In this initial analysis, pure water is frozen...
    Resource Type:
    Honors College Thesis
    Full Text:
    System by Trevor A. Whitaker A THESIS submitted to Oregon State University University Honors College

  • Radiation Emissions from Turbulent Diffusion Flames Burning Large Hydrocarbon Fuels

    Creator:
    Zeuthen, Eric D.
    Abstract:
    The purpose of this study is to measure and compare radiation emissions from flames burning large hydrocarbon fuels to assist in understanding how the molecular composition changes radiation emissions. Radiative heat transfer is significant because it is a primary mode of heat transfer for many combustion devices. This study also...
    Resource Type:
    Masters Thesis
    Full Text:
    changes radiation emissions. Radiative heat transfer is significant because it is a primary mode of

  • Proportional integral derivative control of an oil-heated fractal-like branching microchannel desorber

    Creator:
    Davis, Keith R.
    Abstract:
    A PID controller was designed to control the performance of an oil-heated fractal-like branching microchannel desorber for use in an ammonia-absorption refrigeration system. Both the amount and concentration of ammonia refrigerant generated at the desorber can be controlled by choosing the rectified circulation ratio as the controlled variable in a...
    Resource Type:
    Masters Thesis
    Full Text:
    Deborah V. Pence A PID controller was designed to control the performance of an oil-heated fractal

  • RANS and LES predictions of turbulent scalar transport in dead zones of natural streams

    Creator:
    Drost, Kevin J.
    Abstract:
    Natural stream systems contain a variety of flow geometries which contain flow separation, turbulent shear layers, and recirculation zones. This work focuses on streams with dead zones. Characterized by slower flow and recirculation, dead zones are naturally occurring cutouts in stream banks. These dead zones play an important role in...
    Resource Type:
    Masters Thesis
    Full Text:
    Abstract approved: Sourabh V. Apte Roy Haggerty Natural stream systems contain a variety of flow

  • Nonlinear model reduction using the group proper orthogonal decomposition method

    Creator:
    Dickinson, Benjamin T.
    Abstract:
    Proper orthogonal decomposition (POD) in conjunction with the Galerkin projection has been used as a model reduction technique for the tractable real-time control of high-dimensional systems. While POD based model reduction may improve the tractability of high-dimensional models, the nonlinear POD based model may be impractical for control due to...
    Resource Type:
    Masters Thesis
    Full Text:
    Using the Group Proper Orthogonal Decomposition Method Abstract approved: Belinda A. Batten Proper

  • Void fraction variations in a fractal-like branching channel network

    Creator:
    Cullion, Rebecca
    Abstract:
    Two-phase flow in a fractal-like branching microchannel heat sink may have enhanced heat transfer capabilities over single phase flow in the same branching channel network. In order to exploit this potential, a complete understanding of flow boiling in this geometry is required. The fractal-like geometry is similar to that of...
    Resource Type:
    Dissertation
    Full Text:
    05, 2005. Title: Void Fraction Variations in a Fractal-Like Branching Channel Network Abstract