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 42 for “"power model"”.
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On the solution of external laminar free convection to power law fluids
"Pseudoplastic fluids (power law fluid index N [less than] 1), dilatant fluids (N>1), and even Newtonian fluids (N=1) are commonly called power laws fluids, because they show an empirical shear stress (T)-strain rate (relationship known as the power law where N and m are empirical constants …
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A 1-D theoretical performance analysis and optimisation of a bespoke formula student V-Twin engine
This paper examines the engine intended to power a SAE Formula Student car for the Oxford Brookes Racing Formula Student Team. The engine is an amalgamation of multiple students’ research work over a number of years. Therefore, this projects main aim was validation of the engine setup and …
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Evaluation Techniques for Mapping IPs on FPGAs
… best in all design parameters — speed, area and power, need not add up to the best possible system. This work addresses the problem in two ways. In the first approach, we demonstrate that by working at higher levels of abstraction, one can achieve orders of improvement in productivity. Designing …
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Software Power Analysis And Optimization For Power-Aware Multicore Systems
… all the factors in sustainable computing, power dissipation and energy consumption, arguably speaking, are fundamental aspects of modern computer systems. Different from performance metric, power dissipation is not easy to measure because hardware instrumentation is usually required. Yet as …
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Smart machining system platform for CNC milling with the integration of a power sensor and cutting model
… system integration, data acquisition, force and power model calibration, feedrate scheduling and tool condition monitoring.</p><p>A key aspect of a SMS is its ability to provide synchronization between process measurements and model estimates. It permits real time feedback regarding the current …
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Idea, Energy, and Power: Sayers’s Creative Process Model and the Storytelling of Jay O’Callahan
… O'Callahan. Sayers wrote that Idea, Energy, and Power are foundational elements of the creative process. Idea is the invisible image that provides vision and unity throughout a project. The Energy is the working out of art into a medium. The Power is the connective force that binds artist to art …
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Modeling the winning seed distribution of the NCAA basketball tournament
… of interest in proposing mathematical methods to model the tournament's results and pick the winners of future games. This thesis analyzes the results of the NCAA basketball tournament since 1985 and proposes several models to capture the winning seed distribution in each round. The Exponential …
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The role of precipitation on Bedrock Channel Incision in Kauai, HI
Erosion of bedrock channels is frequently modeled with the stream power law, which relates erosion rates to drainage area, slope, and an erosional efficiency coefficient k. The value of k, however, varies with many physical factors and most of these relationships are not well quantified. This study …
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Evaluation and modeling of repeated load test data of asphalt concrete for mechanistic-empirical flexible pavement design
… Pavement Design Guide (MEPDG) uses a power model that incorporates Dynamic Modulus (DM) as a factor in predicting rutting performance of asphalt concrete. The rutting model is empirical and the rutting profiles obtained from the model are largely based on the adjustment of calibration …
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X-ray motion analysis of charge particles in a laboratory mill
… (DLT), equipped with a physically valid variance model that is shown to improve the standard implementation even when robust solvers are employed. The final reconstruction accuracy of the tracked particle was shown to be 0.15 mm and is achieved without iteration due to the appropriateness of the …
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Estudo do impacto da penetração eólica no subsistema sul do Brasil
Wind power developed in the last two decades and became a competitive energy source. The share of wind power had increased substantially in the Brazilian power system and in many systems around the world. However, wind generation is variable, uncertain, low-cost and non dispatched; hence these …
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Robust preliminary design for multiple gravity assist spacecraft trajectories
… for two existing bounded-impulse trajectory models. The calculations allow for the use of a smooth spacecraft power model. One such model is introduced that handles multiple thruster on-off events and a variety of logic programs. A smooth spline-based ephemeris system is also discussed that …
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Microgrid-Enabled Reactive Power Support to Enhance Grid Economics
<p>Reactive power plays an essential role in voltage control and stability in electric power systems. Various Volt/VAR techniques are utilized in electric power systems to maintain the voltage profile within defined acceptable limits and accordingly provide reliability and stability. Reactive power …
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Predictive models for power dissipation in optical transceivers
Power dissipation in optical networks is a significant problem for the telecommunications industry. The optical transceiver was selected as a representative device of the network, and a component based power model is developed for it. This model indicates that there are three key power dissipating …
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Power And Hotspot Modeling For Modern GPUs
… of high performance computing platforms, power and thermal dissipation are getting more attention. The trade-offs among performance, power, and heat must be well modeled and evaluated from the early stage of GPU design. This necessitates a tool that allows GPU architects to quickly and …
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National Space Power Analysis Through Organizational and Market Evolution
… competition, rapid innovation, and evolving models of public-private collaboration. These changes call to question how space power is built and maintained, especially during the raising geopolitical climate and power competition in space. The rise of agile commercial industry has driven down …
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Testing and modeling of compressors for low-lift cooling applications
… refrigerant mass flow rate, compressor input power, and discharge temperature is monitored. The amount of heat removed by the condenser was within 7% of the compressor input power and the inverter efficiency was within 5% of the compressor input power for all test points. The inverter …
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Inverse and transient thermal analysis for rapid hyperthermia therapy planning, delivery and evaluation
… computation, which include hyperthermia thermal model using Finite Basis Element Method (FBEM) and power model for ultrasound applicators. These components can provide simulated prediction prior to hyperthermia therapy and process evaluation after the therapy. This thesis describes the …
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