Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 75 for “"Energized"”.
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Production performance evaluation of energized fracturing fluids in unconventional formations
… and adoption of innovative fracturing solutions. Energized fracturing is one promising technology that can be an effective alternative to mainstream slickwater or hybrid fracturing fluids in many applications. Yet, field use of energized fluids accounted for only 2-3% of 2011-2012 reported …
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Re-energized : a new model for suburban housing through infrastructural remediation
Isolated houses within secluded subdivisions have been dominating the American landscape for decades. Commonly criticized as energy and resource wasteful, financially vulnerable, and socially unresponsive, few have provided constructive ideas for new methods of development. The goal of this thesis …
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New Handheld Emissions Detector for Pinpointing the Location of Inadvertently Energized Objects in Urban Environments.
… projects can also expose wiring and create energized objects. In urban settings inadvertently energized objects include: lamp posts, bus shelters, metal street curbs, sign posts, transformer vaults, and manhole covers as well as concrete and asphalt pavement. Every year electric shocks occur …
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Control of Dynamic Performance in Step Motor Systems
… and rotary types have been constructed. When energized by direct currents in a programmed manner the step motor indexes in fixed linear or angular increments. In general, the motor does not follow the drive command instantaneously.
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Computer-aided-design of saturated magnetic lenses for electron microscopes
… in present commercial electron microscopes, are energized either by conventional or superconducting coils. Very little work, however, has been reported on the use of conventional coils in saturated magnetic electron lenses. The present investigation has been concerned with the design of high flux …
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The Effects of Upstream Boundary Layers on the NGV Endwall Cooling
… of 1.95 and blowing ratio of 2.5 is sufficiently energized to penetrate the horseshoe vortex. It then forms a relatively uniform coolant film near the NGV passage inlet, leading to a minimum adiabatic cooling effectiveness of 0.4 throughout the passage. Reducing the coolant density or increasing …
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Multiphoton Parallel Transmit MRI for Flip Angle Mitigation Without SAR Concerns
… strongly depends on how the array elements are energized and must be modeled for each excitation pulse using a body model that accurately approximates the subject. This thesis presents a novel use of the seldom-considered multiphoton excitation phenomenon. Our multiphoton pTx (MP-pTx) method …
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Spain: An Emerging Market Economy
… study provides a contemporary view of this newly-energized Spanish economic system, with particular attention to its emerging market economy. | The approach will be of an exploratory and descriptive nature, supplemented by comparative and analytical techniques where appropriate. It is hoped that …
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Ion-Cyclotron Resonance Heating of O+ in the Topside Ionosphere and Mapping Outflows to the Magnetosphere
… previous observations of transversely energized distribution functions–ion conics. The effects of parallel potential drops and coherent energization upon the distribution functions are also examined.</p> <p>In addition to the above result which uses a simple dipole Earth magnetic field …
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Modeling, Detection, and Localization of High-Impedance Faults In Low-Voltage Distribution Feeders
… become in contact with the line's bare and energized conductors. An accurate electrical model for a HIF is implemented to investigate typical patterns in the line's current that allow for the detection of these faults. The occurrence of HIFs is detected with harmonic-current phase analysis …
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Islanding detection in distribution system embedded with renewable-based distributed generation
… when a zone of the distribution system remains energized after being disconnected from the grid, DGs become islanded and early detection is needed to avoid several operational issues. In response to this call, a wavelet-based approach that uses the mean voltage index is proposed in this work to …
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Revving up for the future: an inductive power transfer system geared for vehicular applications
Energized by the prospect of decluttering the charging infrastructure by severing the bulky power cords used to charge an Electric Vehicle (EV), an innovative technique to wirelessly charge an EV battery known as Inductive Power Transfer (IPT) has garnered widespread acceptance. This thesis …
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From the Civil Law Doctrine to the reasonable use theory and from the frontier thesis to community action: Flood control in Las Vegas, Nevada, 1905-1976
… tied to the valley's mushrooming urbanization energized the long dormant Las Vegas Valley Flood Control District which quickly won support in 1986 for implementing the flood control agenda. While emphasizing the legal dimension the paper will place the court ruling within the context of the …
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Empirical Constraints on O(5+) Outflows and Velocity Distributions in a Solar-Minimum Coronal Streamer
… of an effort to understand how the solar wind is energized, the so-determined electron density is used to interpret O VI lambda1032, 1037 A spectra taken with UVCS. The spectra are interpreted in terms of empirical constraints on the O5+ ion velocity distributions and outflow speeds. Four …
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Multi-Agent System for predictive reconfiguration of Shipboard Power Systems
… restoration method restores power to loads de-energized due to the weapon hit. These de-energized loads are restored in a priority order. The methods were implemented using multi-agent technology. A test SPS model based on the electrical layout of a non-nuclear surface combatant ship was …
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A model for predicting the energizing transients of station capacitor banks
… resistors, and the presence of previously energized capacitor banks at the same station. To investigate various system representations, a computer solution of the transient response of an arbitrary network and the computer solution of the generalized Thevenin impedance of a complex network …
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Stronger Together: A Case for Team Teaching in the Elementary School Setting
… learned together, teachers felt more effective, energized, and excited to teacher their students, thereby curbing burnout and increasing student engagement. This study found that team teaching at this site increased school wide collaboration and led to a stronger school community.</p>
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Dynamic simulations of particle suspensions subjected to an external electric-field
… and subjected to an electrical field due to energized electrodes embedded in the channel walls was considered. The transient particles motion is studied both under static conditions and when a pressure driven flow is applied, and in the case of a uniform and non-uniform electric field. The …
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“I will show you how great I am”: motivation from negative expectations
… I examined the psychological state of being energized by negative expectations of others. Although there is a large body of psychological literature available on the effects of expectancy beliefs that elicit behaviors consistent with those beliefs, relatively little attention has been paid to …
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Mechanical and electromagnetic transverse load effects on superconducting niobium-tin performance
… magnets for fusion applications. Once energized, the magnets produce an enormous electromagnetic force and very large transverse loads are applied against the strands. This large force results in a degradation of the performance of the superconducting magnets. In this thesis work …
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