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  • Effect of Active Trailing Edge Motion Upon Airfoil Energy Harvester

    Creator:
    Strahl, Jordan D.
    Abstract:
    The application of a flapping foil with prescribed trailing edge motion to energy harvesting in a low reduced frequency (k = fc/U∞) regime was experimentally studied. The effects of the phase and amplitude of the applied trailing edge motion upon time-variant power extraction capability have been measured and are interpreted....
    Resource Type:
    Masters Thesis
    Full Text:
    possible for me to succeed. Further thanks go out to Dr. Brian Fronk and Dr. Eric Skyllingstad for their

  • Identification of Barriers to Industrial Energy Efficiency Improvement in the Pacific Northwest

    Creator:
    Martz, Allison M.
    Abstract:
    The US industrial sector accounts for about one-third of the nation’s energy consumption and is predicted to grow twice as quickly as other sectors through 2050. International organizations such as the International Energy Agency project energy efficiency improvements will account for over 40% of greenhouse gas emissions reductions through 2040....
    Resource Type:
    Honors College Thesis
    Full Text:
    _____________________________________________________________________ Brian Fronk, Committee Member, representing Mechanical, Industrial, and Manufacturing

  • Temperature Evolution of Nonreacting Spark Kernels at Sub-Atmospheric Pressures

    Creator:
    Caplan, Daniel L.
    Abstract:
    In the event of a mid-flight flameout of a gas turbine engine, reignition is paramount to occupant safety. Ignition at high altitude can be challenging, due in part to the potentially lower ambient pressures. An understanding of the effects of sub-atmospheric pressures on the temperature evolution of spark kernels is...
    Resource Type:
    Masters Thesis

  • On the Flow-Induced Vibration of Solitary Wire-Wrapped Cylinders in Axial Flow

    Creator:
    Nixon, Chad A.
    Abstract:
    Vibration of nuclear power plant components can cause fretting wear and fatigue that can eventually lead to component failure. Flexible, high-aspect ratio components under flow, such as the wire-wrapped cylindrical fuel elements in a liquid metal-cooled fast reactor (LMFR) core, are particularly susceptible to vibration due to their low natural...
    Resource Type:
    Dissertation
    Full Text:
    . ............................ 83 Figure 4.38: Single-pin flow test displacement measurements at U̅ = 3.48 m/s. .............. 85

  • Electronic and Optical Properties of Defects in Amorphous Oxide and Transition Metal Dichalcogenide Semiconductors

    Creator:
    Vogt, Kyle
    Abstract:
    The optical and electronic properties of amorphous oxide thin films depend crucially on chemical composition, and deposition process variations which give rise to sub-gap defect states. Consequently, there is a need for a reliable, high-throughput method to extract sub-gap defect densities of states in amorphous oxide thin films. We present...
    Resource Type:
    Dissertation
    Full Text:
    . This suggests that hydrogen hybridizes with oxygen vacancy sites resulting in metal-hydrogen (M-H

  • A Manufacturing Process Design for Producing a Membrane-based Energy Recovery Ventilator with High Aspect Ratio Support Ribs

    Creator:
    Kawula, Steven P.
    Abstract:
    Heating, ventilation, and air conditioning systems represent nearly half of building energy usage in the United States. Recent building regulations requiring increased air turnover within buildings will result in even greater air conditioning usage. To alleviate these concerns, membrane-based heat-and-moisture exchangers known as energy recovery ventilators have been developed to...
    Resource Type:
    Masters Thesis
    Full Text:
    outside of my lab, John Breshears, Dr. Brian Fronk, Dr. Hailei Wang, and Paul Armatis for helping me

  • Power Cycle Selection and Optimization for a Small Modular Reactor

    Creator:
    Kissick, Sean M.
    Abstract:
    As a way to improve safety and economics, one area of research and commercialization of new nuclear power plants has focused on the development of small modular reactors (SMRs). NuScale Power has developed a 50 MWe natural convection cooling SMR coupled with a regenerative Rankine cycle. Current estimates place the...
    Resource Type:
    Masters Thesis
    Full Text:
    . Brian Fronk and Dr. Chris Hoyle this work would have been insufficient. For Dr. Goran Jovanovic, thank

  • Investigation of Drilled Shafts under Axial, Lateral, and Torsional Loading

    Creator:
    Li, Qiang
    Abstract:
    Drilled shaft foundations provide significant geotechnical resistance for support of structures, such as highway bridges, traffic sign, and signal pole structures, and are used widely to meet their structural foundation requirements. The amount of steel reinforcement in drilled shaft foundations has increased over the past several decades to account for...
    Resource Type:
    Dissertation
    Date Created:
    Full Text:
    the members of my research committee, including Dr. Andre Barbosa, Dr. Ben Leshchinsky, Dr. Brian

  • Density Function Theory Study of CO2 Dissociation on Ni and Ni Based Alloy Surface

    Creator:
    Zhao, Weinan
    Abstract:
    The corrosion and degradation of Ni and its alloys in supercritical carbon dioxide (Sc-CO2) is an emerging issue for material selection and implementation of Sc-CO2 thermal cycles in industry. In this study, we apply density functional theory (DFT) to study the initial steps of carburization of the Ni (111) surface...
    Resource Type:
    Masters Thesis
    Full Text:
    Where m is the mass of the electron, the three terms in the bracket represent the kinetic energy of

  • Fuel Dispersal Under LOCA Conditions

    Creator:
    Latimer, Griffen D.
    Abstract:
    Most operating power reactors use oxide fuel in the form of uranium oxide (UO2) which is robust against high temperatures but suffers from poor mechanical performance at high levels of burnup. Currently, the maximum average burnup in light water reactors in the US is 62.5 GWd/t, which is partially imposed...
    Resource Type:
    Dissertation
    Full Text:
    significant quantity of fragmented fuel particles were as fine as 5600μm, with some even surpassing the 2000