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 28 for “"Load Following"”.
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Load following operation of a pressurized water nuclear power plant/
Thesis. 1978. Nucl.E.--Massachusetts Institute of Technology. Dept. of Nuclear Engineering.
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Development and evaluation of Nuclear-Renewable Hybrid Energy System simulator with load following
… Hybrid Energy Systems (N-RHES) with a focus on Load Following (LF) capabilities. The primary aim is to enhance the operational flexibility of nuclear reactors to adapt to dynamic power demands. A dynamic simulation tool was developed for different nuclear reactor technologies, including …
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The Relevance Of Load Following Capability Of Nuclear Power Plant For The South African Grid
… main focus of this study is to evaluate whether load following operation can be performed using the existing South African nuclear power plant. Of which, knowing that will assist in determining whether the addition of load following capabilities on the planned nuclear fleet is justifiable or not. …
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Neutronics and thermal-hydraulics analysis of transatomic power molten salt reactor (TAP MSR) core under load following operations
… Power Molten Salt Reactor (TAP MSR) core under load-following operations using a Monte Carlo code, Serpent 2, as well as a UIUC-developed MOOSE-based code, Moltres. A simulation method was developed to determine the operational bounds of the TAP MSR core and its transient behavior under rapid …
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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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Low-Cost Electrochemical Approaches to Deep-Decarbonization
… emissions. Aviation, long-distance shipping, load-following electricity, and steel, iron, and cement production together account for 27% of emissions and are considered hard-to-decarbonize sectors. We demonstrate and analyze several approaches using electrochemistry in an attempt to address …
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Development and implementation of an enhanced design for automatic generation control
… minimum control expected. An enhanced design of load following and distinctive ACE regulation was developed and implemented. Although the load-following component of the original controller could be applied with minor modifications, the short-term ACE regulation component had to be improved …
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Carbon Capture Efficiency in Natural Gas Combined Cycle Power Plants: Analyzing the Effects of Variable Load Operations
… natural gas generation is used primarily for baseload power, it is expected to transition towards an intermittent power generator, serving as a load-following resource during periods of low renewable energy availability. It will be critical to understand how start-up, shutdown, and load-following …
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Fuel processing simulation tool for liquid-fueled nuclear reactors
… Additionally, this work investigated MSR load-following capability through short-term depletion analysis with the power level variation (P) in [0,100%]. Online gas removal significantly improved the load-following capability of the MSBR by reducing xenon poisoning from -1457 pcm to -189 …
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Analysis of hydrogen-based energy storage pathways
… simulated with respect to their full and part-load efficiencies and resulting costs. Furthermore, load profiles are estimated to simulate a whole year of operation at varying loads. The results show power-to-power exergy efficiencies varying between about 17.5 and 43 %. The main losses occur at …
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Validation of a multiphase CFD model with mass transfer for xenon removal in molten salt reactor
… reactor and could possibly operate in a load-following manner. The fuel life is also extended. This document is dedicated to developing a computational fluid dynamics (CFD) model as a design tool for the xenon removal system in fueled salt reactors. Beginning with the review of gaseous …
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Emulating Radiation-Induced Defect Microstructures by Neutrons and Dark Matter Using Ions
… scenarios, such as new reactor designs, load-following regimes, and even direct detection of dark matter. This project assesses different conditions under which emulation is possible. The novel aspect of this work is applying the method of emulation of radiation damage to dark matter …
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Investigation of a Fuel Cell Based Total Energy System for Residential Applications
… electricity can be recovered to meet the heating loads. TESs based on fuel cell systems are particularly attractive because of their high efficiencies, quiet operation, and small size. This research evaluates a TES consisting of a fuel cell sub-system (FCS), an electric heat pump (HP), and a …
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Generation dispatch with large-scale photovoltaic systems
… associated with large-scale PV systems include load-following and spinning reserve requirements, load frequency excursions and system stability, amongst others. Generation dispatch is the aspect of control strategy that takes into account the intermittent nature of non-conventional sources and …
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Control of balance of plant components for solid oxide fuel cell systems with sensitivity to carbon formation
… is a natural choice to ensure that the maximum load following and overall system efficiency can be maintained without damaging components. This thesis analyzes system wide control of a solid oxide fuel cell system comprised of a tubular stack bundle, fuel reformer, air pre-heat exchanger, …
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Systems Integration, Modeling, and Validation of a Fuel Cell Hybrid Electric Vehicle
… advanced lead-acid battery pack for peak power load leveling. The vehicle weighed 2000 kg (4400 lb) and achieved a combined city/highway fuel economy of 9L/100 km or 26 mpgge (miles per gallon gasoline equivalent, charge depleting, state of charge corrected). A model of the vehicle was developed …
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Plantwide Control System Design for IGCC Power Plants with CO2 Capture
… the smart grid era by enabling operation in the load-following mode as demand for electricity from the grid fluctuates over time. In addition, other penalty functions such as emission penalties for CO2 or other criteria pollutants can be considered in the control system design.;The control system …
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Effects of Acute Alcohol Exposure on Post Burn Intestinal Immunity: Role of IL-23
… as well as intestinal T lymphocyte suppression following EtOH intoxication and burn injury.</p> <p>Th17 cells are implicated in gut homeostasis and in the containment of gut pathogens. We investigated the effects of EtOH exposure and burn injury on intestine associated lymphoid Peyer's patch …
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The Monitoring and Control of Stoker-Fired Boiler Plant by Neural Networks
… Network Based Controller (NNBC) was developed following a comprehensive set of experiments carried out on a stoker test facility at the Coal Research Establishment (CRE) Ltd., before being evaluated on an industrial chain grate stoker at Her Majesty's Prison Garth, Leyland. The NNBC mimicked …
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The value of power grid flexibility : applied optimization methods for bulk electricity storage and technology RD&D
… Electricity storage becomes more valuable as net load variability increases. The impact of net load variability is tested by changing the level of renewable generation resources in the system. The current capital cost of storage-here, compressed air energy storage (CAES)-generally exceeds the …
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