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  • Part-Load Optimization of an Organic Rankine Cycle

    Creator:
    Ramsey, Owen
    Abstract:
    Waste-heat-recovery Organic Rankine Cycle (ORC) systems use excess heat from industrial processes to produce electrical power. In many cases, the temperatures and mass flow rates of these excess-heat streams vary significantly over time, causing the ORC to often operate far from its design point. In this study, a control strategy...
    Resource Type:
    Honors College Thesis
    Full Text:
    by Owen Ramsey A THESIS submitted to Oregon State University

  • Simulation, measurement, and suppression of digital noise in mixed-signal integrated circuits

    Creator:
    Owens, Brian E.
    Abstract:
    Strategies for simulation and measurement of substrate noise have been analyzed using various digital and analog circuits fabricated in the TSMC 0.35um heavily doped CMOS process. The measurements validate a substrate noise coupling macromodel that has been used to obtain the simulation results. The simulations and measurements also substantiate the...
    Resource Type:
    Masters Thesis

  • Vitamin E Protects Developmental Gene Expression and Metabolic Networks in Zebrafish Embryos

    Creator:
    Head, Brian A.
    Abstract:
    Vitamin E (VitE) is necessary for vertebrate embryonic development. VitE prevents lipid peroxidation (LPO), which requires detoxification by cellular antioxidant systems subsequently involving reducing power derived from energy metabolism. Thus, VitE protects metabolic networks in the developing embryo and the integrated gene expression networks compensating for and impaired by LPO-induced...
    Resource Type:
    Dissertation
    Full Text:
    ABSTRACT OF THE DISSERTATION OF Brian A. Head for the degree of Doctor of Philosophy in Molecular and

  • Removal of E. coli with alternative media Biosand filters

    Creator:
    Fulton, Nathan J.
    Abstract:
    When Biosand filters cannot be constructed with crushed quarry rock due to resource limitations, a suitable alternative filter media is needed. In this research, two crushed quarry rock alternatives were examined. Three bench-scale Biosand filters with crushed rock, beach sand, and heat-treated beach sand media were simultaneously dosed with Willamette...
    Resource Type:
    Masters Thesis
    Full Text:
    presented on August 16, 2012. Title: Removal of E. coli with Alternative Media Biosand Filters. Brian D

  • Development and validation of acoustic measurement techniques for void fraction in concentric annular geometries

    Creator:
    Tost, Brian C.
    Abstract:
    This work investigates the acoustic velocity of gas-liquid mixtures in vertical, co-current flow in a concentric annulus. Acoustic velocity shows promise as a detection parameter for the presence and amount of gas in a liquid flow because of its high sensitivity to gas void fraction in a gas-liquid mixture. However,...
    Resource Type:
    Dissertation
    Full Text:
    AN ABSTRACT OF THE DISSERTATION OF Brian

  • Cytokine expression in Danio rerio (zebrafish) in response to TLR-7 agonist - Imiquimod

    Creator:
    Paternostro, Kevin Alan
    Abstract:
    Utilizing Danio rerio (zebrafish) as a model organism has gained popularity recently, however a lack of research into their immune response pathways had led to the discovery of subclinical infections, and has potentially confounded results. We conducted a study to determine the cytokine expression from TLR activation in order to...
    Resource Type:
    Honors College Thesis
    Full Text:
    : ______________________________________________________ Brian Dolan Utilizing Danio rerio (zebrafish) as a model organism has gained popularity

  • Investigation of transport phenomena in a highly heterogeneous porous medium

    Creator:
    Vogler, Daniel
    Abstract:
    This work focuses on solute mass transport in a highly heterogeneous two-region porous medium consisting of spherical low-hydraulic conductivity inclusions, embedded in a high-hydraulic conductivity matrix. The transport processes occuring in the system are described by three distinct time scales. The first time scale reflects the characteristic time for convective...
    Resource Type:
    Masters Thesis
    Full Text:
    Phenomena in a Highly Heterogeneous Porous Medium Abstract approved: Brian D. Wood This work focuses on

  • Advection-diffusion in inertial flow through periodically converging-diverging tubes

    Creator:
    Lambert, Adam
    Abstract:
    A direct numerical simulation of advection-diffusion in a sinusoidal tube was carried out using the commercial finite-volume code STAR-CD. The Reynolds numbers varied from Re = 0.1 to Re = 14.5. At the larger Reynolds numbers, steady-state eddies formed in the diverging sections and significantly influenced the macroscale dispersion. Long...
    Resource Type:
    Masters Thesis
    Full Text:
    Inertial Flow through Periodically Converging-diverging Tubes. Abstract approved: Brian Wood A direct

  • Problems of Shape and Information in Multiscale Modeling of Transport Phenomena

    Creator:
    Ostvar, Sassan
    Abstract:
    This work is a compilation of problems that deal with multiscale analysis of transport phenomena in environmental systems. A common feature among the problems studied here is the presence of non-negligible microscale structure in various forms. Each problem is approached from the perspective that a macroscopic observable encodes aspects of...
    Resource Type:
    Dissertation
    Full Text:
    -averaged diffusion through hierarchical porous media Sassan Ostvar and Brian D. Wood Physical Review E

  • Culture and Contexts of Intimate Partner Violence in Nigeria : The Role of Child Marriage, and Implications for Public Health and Population Growth

    Creator:
    Nwegbu, Somawina Chiazo
    Abstract:
    Intimate partner violence against women (IPVAW) and early marriage of female children are significant public health challenges in Nigeria. Previous research has shown a strong association between the two. Furthermore, both issues have severe implications for socioeconomic progress and present barriers to the realization of the Sustainable Development Goals (SDGs)....
    Resource Type:
    Dissertation
    Full Text:
    : ______________________________________________________ Brian R. Flay Intimate partner violence against women (IPVAW) and early marriage of