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  • 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:
    Abstract approved:________________________________________________________ Robert W. Collier, Marta E

  • 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

  • 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:
    flow was 2 to 3 ˚C below the saturation temperature (subcooled) with a constant energy input of 8.5 W

  • The Use of Fractal-Like Bifurcating Flow Channels for Biological Targeted Cooling

    Creator:
    Stottlemyre, Wyatt
    Abstract:
    In the wake of climate change, the risk of heat related illnesses has continuously increased over the past several decades. While thermal management solutions have continued to improve, there is a need for efficient cooling systems that conform with the human body. This study combines the solutions from fractal-like flow...
    Resource Type:
    Honors College Thesis
    Full Text:
    _____________________________________________________________________ James Liburdy, Committee Member, representing Mechanical Engineering

  • 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:
    _____________________________________________________________________ James Liburdy, Committee Member, representing MIME

  • Analysis of Staged Hydraulic Air Compressors

    Creator:
    Shibley-Styer, Ian
    Abstract:
    To investigate the viability of staging hydraulic air compressors (HACs), a model for HACs operating with a closed loop water cycle powered by a pump was made. This model was used to simulate how these HACs would respond to variable heights and mass flow ratios for both single-stage and multi-stage...
    Resource Type:
    Honors College Thesis
    Full Text:
    _____________________________________________________________________ James Liburdy, Committee Member, representing Mechanical, Industrial and Manufacturing

  • 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:
    the mixing layer and streamwise velocity profile. W is measured in the spanwise direc- tion. L is

  • Spatio – temporal temperature variations during droplet impingement evaporation : effects of nanofluid and nano-structured surface

    Creator:
    Graber, Christof
    Abstract:
    Droplet and spray impingement cooling are typically used in high heat flux thermal management. In this thesis, droplet impingement and evaporation heat transfer characteristics are determined from measured spatially- and temporally- varying fluid and surface temperatures. Unique to this study is the documentation of the effects of using a nanofluid...
    Resource Type:
    Masters Thesis
    Full Text:
    Narayanan, and Dr. James Liburdy for their continual support and assistance in completing this research. A

  • 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:
    APPROVED: Deborah V. Pence Mentor, representing Thermal-Fluid Sciences James Liburdy Committee Member

  • 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:
    carbon ratio I Intensity, W/m2-sr Lf Length flame, m ṁ Mass flow rate of fuel, kg/s N