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Filtering by: Creator Dale, A. C. Remove constraint Creator: Dale, A. C. Degree Field Mechanical Engineering Remove constraint Degree Field: Mechanical Engineering Rights Statement In Copyright Remove constraint Rights Statement: In Copyright

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  • Integrated Evaluation of Drinking Water Purification: A Mixed-Method Laboratory and Field Assessment of a Biomass-Powered Water Treatment Technology

    Creator:
    Burleson, Grace Ellen
    Abstract:
    The global water crisis is defined as one of the major threats facing humankind over the next decade with over 1 in 10 people lacking access to clean drinking water worldwide. An estimated 1.2 million people pasteurize their drinking water by using boiling as an indicator. Pasteurization is the process...
    Resource Type:
    Masters Thesis
    Full Text:
    24 Materials in the field: (A) Filters, (B) Vacuum pump, (C) Plastic funnel, (D) Rubber stopper and

  • Design, analysis, and validation of composite c-channel beams

    Creator:
    Koski, William C.
    Abstract:
    A lightweight carbon fiber reinforced polymer (CFRP) c-channel beam was previously designed using analytical theory and finite element analysis and subsequently manufactured through a pultrusion process. Physical testing revealed the prototype did not meet the bending and torsional stiffness of the beam model. An investigation revealed that the manufactured prototype...
    Resource Type:
    Masters Thesis
    Full Text:
    : _____________________________________________________________________ John P. Parmigiani A lightweight carbon fiber reinforced polymer (CFRP) c-channel beam

  • Further Development of MPM and its Applications in Modeling Wood-Adhesive Bonds

    Creator:
    Hammerquist, Chad C.
    Abstract:
    This work is a culmination of a series of published works related to the use of the Material Point Method (MPM) in modeling wood adhesive bonds. The use of wood as construction material has the potential to play a small role in the solution to the current CO2 and climate...
    Resource Type:
    Dissertation
    Full Text:
    stacks, b) a slice showing the wood structure and experimental results for adhesive penetration, c

  • Vertical Axis Pendulum Wave Energy Converters : Investigating Control Strategies and the Deployment of a Scaled Generic Prototype

    Creator:
    Boren, Blake C.
    Abstract:
    Vertical Axis Pendulum Wave Energy Converters (VAPWECs) are thought to be both effective and robust at converting ocean wave energy into usable electricity. Seeking to build upon and investigate such potential, this work examines the merits of actively controlling a generic VAPWEC's pendulum for the purpose of increasing the converter's...
    Resource Type:
    Dissertation
    Full Text:
    Control Strategies and The Deployment of a Scaled Generic Prototype by Blake C. Boren A DISSERTATION

  • On the modeling and control of horizontal pendulum wave energy converters

    Creator:
    Boren, Blake C.
    Abstract:
    Presented is an investigation into the modeling, active control design, and simulation of a generic horizontal pendulum wave energy converter, known as a PWEC. A description is provided of the dominant attributes PWECs have, showcasing their promising potential as wave energy converters. Seeking to further promote this potential, an active...
    Resource Type:
    Masters Thesis
    Full Text:
    Modeling and Control of Horizontal Pendulum Wave Energy Converters by Blake C. Boren A THESIS submitted

  • Evaluating the effectiveness of interaction strategies between product developer and supply chain using activity based modeling in environmental benign product design

    Creator:
    Wang, Bo
    Abstract:
    With growing concerns on environment impact of industrial product development, the product developers are seeking better solutions to achieve desired environmental benign requirements by the regulators and customers besides economic growth. During the last decade, some of the most successful product development companies (such as HP) have established their own...
    Resource Type:
    Masters Thesis
    Full Text:
    measure its impact on Environmental Impact (E), Quality (Q), and Cost (C), of developing a product. In

  • A study of cavitation instabilities in solids

    Creator:
    Puttapitukporn, Tumrong
    Abstract:
    Cavitation instabilities in elastic-plastic solids under spherically-symmetric and axisymmetric loadings were investigated using the finite element method. Both quasi-static and dynamic analyses were used to solve these problems. In the quasi-static analyses, we investigated a cavitation instability in elastic/perfectly-plastic, linear hardening elastic-plastic, power hardening elasticplastic, and constrained silver materials. Here,...
    Resource Type:
    Dissertation
    Full Text:
    C EFFECTS OF MODEL SIZES ON A QUASI-STATIC ANALYSIS UNDER AXISYMMTRIC LOADING .............. 155

  • The experimental characterization of membrane behavior in two-phase gas extraction

    Creator:
    Cappello, Nicholas C.
    Abstract:
    Understanding the behavior of hydrophobic membranes is important for applications where separating a gas from a liquid-gas mixture is beneficial. For example, in-situ vapor extraction can be used in microscale heat sinks to improve heat transfer and flow stability. In this study, gas is experimentally evaluated flowing through flexible polytetrafluoroethylene...
    Resource Type:
    Masters Thesis
    Full Text:
    a function of pressure: (a) ex- ponential curve fit of the form Eq. (6.5) with C = 7 and n = 0.4 (b

  • Numerical study of droplet formation with nozzle dynamics and multiple droplet impingement

    Creator:
    Sangplung, Saangrut
    Abstract:
    Droplet formation from a flexible nozzle plate driven by a prescribed-waveform excitation of a piezoelectric is numerically investigated using a computational fluid dynamics (CFD) model with the VOF method. The droplet generator with a flexible nozzle plate, which is free to vibrate due to the pressure acting on the plate,...
    Resource Type:
    Dissertation
    Full Text:
    ................................................................................43 5.12 Flow characteristics: (a) droplet volume, (b) velocity, and (c) break-off time versus σ

  • Towards reliable and survivable ocean wave energy converters

    Creator:
    Brown, Adam C.
    Abstract:
    Ocean wave energy is a new and developing field of renewable energy with great potential. The energy contained in one meter of an average wave off the coast of Newport Oregon could supply dozens of homes with electricity. However, ocean waves are usually quite irregular which leads to large bursts...
    Resource Type:
    Masters Thesis
    Full Text:
    by Adam C. Brown A THESIS submitted to Oregon State University in partial