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 17 of 17 for “"partial load"”.
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College Contract Faculty in Ontario: Professional Identities and Precarious Employment
Partial-load college faculty simultaneously occupy insider/outsider positions in their respective higher education institutions. How do they perceive the relationship between their employment status and their work as educators? In recent scholarship, it has been argued that part-time faculty occupy …
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Studio e sviluppo di un motore a 2 tempi diesel veloce di nuova concezione per applicazioni automobilistiche
… costs, and improving pollutant emissions at partial load. The present work is focused on the analysis of the combustion and the scavenging process, investigated by means of a version of the KIVA-3V code customized by the University of Chalmers and modified by DIMeC. The customization of the …
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Wrongful Convictions as a Result of Public Defender Representation.
… is also established that is referred to as the partial load reduction theory. This theory establishes the relationship that exists between wrongful convictions and public defender representation and provides solutions as well as new avenues for future research.</p>
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Resonant power conversion topologies for inductive charging of electrical vehicle batteries
… Analysis, based on a voltage-source model of the load, and its novel extension, Rectifier-Compensated FMA (RCFMA) Analysis, are developed and applied to the SP-LCLC converter. The RCFMA Analysis is a simpler and more intuitive analysis than the Modal Analysis, and provides a relatively accurate …
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Design Methodology for an Ultra-High Efficiency Coreless Resonant Power Transformer
… was constructed and thermal comparisons at partial load were made with a lower efficiency transformer of the same magnetic design built using solid conductors. Results demonstrate a >2x reduction in loss and a subsequent coil efficiency >99%.
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Modeling and Multi-Objective Optimization of the Helsinki District Heating System and Establishing the Basis for Modeling the Finnish Power Network
… for a twenty four hour winter demand period. Partial load behavior of the generators is included by introducing non-linear functions for costs, emissions, and the exergetic efficiency. A fuel cost sensitivity analysis is conducted on the system by considering ten combinations of fuel costs …
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Design and implementation of an inductive power transfer system for wireless charging of future electric transportation
… the bifurcation issue for the entire range of load and coupling variation and therefore requires no sophisticated control. Finally, a simplified mathematical model of SS-RIPT system has been proposed for primary side control of output voltage and current. All the proposed theories and analysis …
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Development of a hybrid solar photovoltaic and heat pump system for domestic heating and electricity generation
… hybrid photovoltaic thermal heat pump system in partial load. The system's response to variations in solar irradiance, water tank volume and the water flow rate through the PVT are analysed. The system is modelled deploying quasi-steady state heat transfer and thermodynamic equations and …
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Thermoeconomic Modeling and Parametric Study of Hybrid Solid Oxide Fuel Cell – Gas Turbine – Steam Turbine Power Plants Ranging from 1.5 MWe to 10 MWe
… been developed to function both at design (full load) and off-design (partial load) conditions. In addition, different solid oxide fuel cell sizes are examined to assure a proper selection of SOFC size based on efficiency or cost. The thermoeconomic analysis includes cost functions developed …
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Evaluating Routing Protocol for Low power and Lossy Networks (RPL)-Based Load Balancing Routing Algorithms in Internet of Things (iot) Networks
… IoT networks because it does not balance the load distribution during data transmission. Load balancing is the factor that enables the data to be distributed effectively among the IoT devices until they reach the destination. Several authors proposed load-balancing routing algorithms for RPL …
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A Heuristic Nonlinear Constructive Method for Electric Power Distribution System Reconfiguration
… power to as many customers as possible. As loads vary with time, switch operations may reduce losses in the system. Both of these are applications for reconfiguration. The problem is combinatorial, which precludes algorithms that guarantee a global optimum. Most existing reconfiguration …
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Thermodynamic Based Framework for Determining Sustainable Electric Infrastructures as well as Modeling of Decoherence in Quantum Composite Systems
… manner with an hourly basis, including partial-load behavior for the producers. Since sustainability indices are typically not expressed in the same units, multicriteria decision making methods are employed to obtain a composite sustainability index. Within the quantum level of …
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A biomass-fueled combined steam and sCO2 heat and power cycle for Southern African conditions
… flue gas cycles was developed for nominal and partial load analysis. It accounts for the detailed component characteristics for the Rankine and Brayton cycles, as well as the biomass boiler, together with the complex interactions between all of the components in the different cycles. To …
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Methods for assessing the impact of silicon carbide traction inverters in electric vehicles
… for driving cycles with a high proportion of partial load operating points. However, the advantage over Si IGBT is less pronounced for high power operating points or demanding driving cycles. Real EV measurements are used to evaluate the current ripple during steady-state operating points in …
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A comprehensive analysis of natural gas direct injection and of mixture formation in spark ignition engines
… strategies. The homogeneous operation at partial and full load is analyzed in section 4.1 and 4.2 respectively. The lean stratified operation at partial load is studied in section 4.3. Chapter 5 is related to the injection system development and focuses on the optimization of the control …
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Integration and operation of post-combustion capture system on coal-fired power generation: load following and peak power
… these aspects when a plant is operating at full load while operating at a 90 percent capture rate. These studies investigate the basic integration of the these systems, the energy penalty and the effect of capital costs; however, none of these studies comprehensively explore the ability of the …
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Möglichkeiten und Grenzen der Teillaststeuerung von Ottomotoren mit vollvariablem Ventilhub
Im Rahmen dieser Arbeit werden die Potenziale zur Steigerung des Gesamtwirkungsgrads von stöchiometrisch homogen betriebenen Ottomotoren in der Teillast untersucht. Im Gegensatz zur konventionellen Laststeuerung über die Drosselklappe bezeichnet die betrachtete, drosselfreie Laststeuerung die …