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Filtering by: Creator Chan, Dr. Hing Ling Remove constraint Creator: Chan, Dr. Hing Ling Degree Field Mechanical Engineering Remove constraint Degree Field: Mechanical Engineering

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  • Cold trap performance : a general analysis

    Creator:
    Rothwell, Micheal Olin
    Abstract:
    A cold trap is a device used to remove certain impurities from a liquid metal by controlled precipitation of such impurities. An investigation of the thermal characteristics of laminar flow in two air-cooled cold traps was made. This investigation showed that the sodium heat transfer rate is a function of...
    Resource Type:
    Masters Thesis
    Full Text:
    for Michael Olin Rothwell ACKNOWLEDGMENT The author wishes to acknowledge the contributions of Dr

  • 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:
    . Davis, Author ACKNOWLEDGEMENTS I would like to thank Dr. Deborah Pence for seeing the

  • Flow measurement and characterization in shallow geothermal systems used for downhole heat exchanger applications

    Creator:
    Churchill, David J.
    Abstract:
    This thesis reports on an investigation of flow patterns in shallow geothermal wells in Klamath Falls, Oregon, Although wells have been extensively used in the area, the exact nature of the flows in the wells has not been characterized. Flow characterization is a principal object of this study. Horizontal crossflows...
    Resource Type:
    Masters Thesis
    Full Text:
    . Dr. Gordon Reistad provided much advice and encouragement. I am especially thankful for his support

  • An Engineering Decision Support System (EDSS) with alternative-criterion pair evaluations

    Creator:
    Herling, Derald E.
    Abstract:
    An Engineering Decision Support System, EDSS, was developed using Bayesian mathematics which incorporates knowledge and confidence components observed in alternative-criterion pair decision making. The separation of knowledge and confidence has been previously unaccounted for in decision-making methods. EDSS provides decision support to individuals or teams which must make choices between...
    Resource Type:
    Dissertation
    Full Text:
    alternative-criterion pair evaluations AN ABSTRACT OF THE THESIS OF Derald Her ling for the degree of

  • Adaptive methods for robust commercial vehicle control

    Creator:
    Junell, Jaime L.
    Abstract:
    This thesis explores the implementation of learning based control with predictive cruise control and the potential this technology has for increasing fuel efficiency while keeping on a well maintained schedule for commercial trucks. Traditional cruise control is wasteful when maintaining a constant velocity over rolling hills. Predictive cruise control is...
    Resource Type:
    Masters Thesis
    Full Text:
    to Dr. Kagan Tumer for all his patience, guidance, and happy hours. Being part of the Adaptive

  • An In Vivo Functional Evaluation, in an Avian Model, of Passive Implantable Designs to Restore Hand Function after Spinal Cord Injury

    Creator:
    Casebier, Justin C.
    Abstract:
    The surgical standard of care to partially restore grasping function after a traumatic spinal cord injury is a reconstructive tendon transfer-surgery that connects all four finger flexors to an expendable wrist extensor. While restorative, this surgery has a fundamental problem; the movement of all four fingers flexors is directly coupled,...
    Resource Type:
    Masters Thesis
    Full Text:
    life with you. I would like to express my deepest gratitude Dr. Balasubramanian. You have been my

  • Thermal Actuation and Atomization for Desalination Systems

    Creator:
    Sharma, Deepak
    Abstract:
    Desalination stands for removing salt from saline water, and produce freshwater. Desalination technologies have been envisioned as a potential solution for freshwater production from oceans as an immense source of water acquiring 97% earth’s water, and 75% of earth’s surface. However, one third of world’s population face water scarcity every...
    Resource Type:
    Dissertation
    Full Text:
    motivation. To my supervisor Dr. Bahman Abbasi, for his invaluable advice, support, guidance, and

  • The effects of ocean variability and breaking waves on wave energy converter reliability and survivability

    Creator:
    Brown, Adam
    Abstract:
    The reliability and survivability of a wave energy converter (WEC) is highly dependent on the variability and non-linearity of the ocean itself. Ocean variability occurs on many time scales. Climate variability occurs decade-to-decade, and year-to-year in the number and intensity of winter storms. Seasonal variation of wave height and period...
    Resource Type:
    Dissertation
    Full Text:
    secondary independent wave measurement technique. Dr. Brendan Cahill and Bradley Ling both provided

  • Resilient Design for Complex Engineered Systems in the Early Design Phase

    Creator:
    Keshavarzi, Elham
    Abstract:
    There are many uncertainties that complex engineered systems will face throughout their lifecycles due to changes in internal and external conditions. It is desirable for complex engineered systems to be resilient against various uncertainties. The ability to overcome such uncertainties should be embedded into the system from the beginning. However,...
    Resource Type:
    Dissertation
    Full Text:
    the greatest impact on my success and well-being: My advisor, Dr. Christopher Hoyle, for

  • An architecture for a function driven mechanical design solution library

    Creator:
    Wood, Stephen L.
    Abstract:
    The engineering design process and the advancement of future computer-aided-design systems need new design aids to be used during the conceptual design phase. This design phase is where information gathering and understanding of the problem are developed, analyzed and broken into small more manageable elements. These elements consist of customer...
    Resource Type:
    Dissertation
    Full Text:
    Driven Mechanical Design Solution Library. Abstract approved: Dr. David Ullman The engineering