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 34 for “"Coal-fired power plant"”.
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Evaluating investment in base load coal fired power plant using real options approach
… the impact of uncertainty on investment in a coalfired power plant using a real options (RO) framework. It is organized in five chapters. In the first chapter I give an outline of the thesis.<br/><br/>In Chapter 2 I review the background material. I describe the electricity sector in the pre- …
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The Measurement & Verification of Energy Conservation Measures at a Coal-fired Power Plant
… improvements in net heat rate at a South African coal-fired power plant (CFPP) following an extensive refurbishment programme. The CFPP consisted of multiple subcritical pulverised fuel generating units and the refurbishment programme aimed to improve the overall net heat rate by 1%. The purpose …
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Mercury Transportation in Soil Using Gypsum from Flue Gas Desulphurization Unit in Coal-Fired Power Plant
… from flue gas desulphurization (FGD) units of coal-fired power plants. There are two phases of this research, including field and greenhouse studies. Previous studies indicate that FGD gypsum could increase corn yield, but may lead to more mercury uptake by corn.</p> <p>Recent studies have been …
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Component development for a high fidelity transient simulation of a coal-fired power plant using Flownex SE
Large coal-fired power stations are designed to be run predominantly at full load and optimum conditions. The behaviour of plants, operating at low load and varying conditions, is getting more and more attention due to the introduction of variable renewable generation on the grid. Consequently, the …
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Studying water-wedging as a cause for short term overheating in the boiler of a coal-fired power plant
A common failure occurrence on fossil fuel power plant boiler systems is referred to as short term overheating (STO). This phenomenon occurs when the tube is heated to higher than its design temperature in a short period of time, causing a ductile failure of the tube material. The superheaters are …
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A Study of the Intermediate-Range Transport of Secondary Acidic Species
… (3) Determination of a tracer for coal-fired power plants by factor analysis of the chemical data, and (4) Calibration of a hybrid receptor model for the transport of sulfate from a coal-fired power plant.
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Impact on heat rate and subsequent emissions due to varying operation of coal fired power plants
… reduction benefits of integrating renewable power generation system on the grid. This approach does not consider the fact that there is a deterioration in the heat rate with load for the Coal Fired Power Plants that need to accommodate the additional renewable supply. If varying heat rate …
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Detailed model for robust feedback design of main steam temperatures in coal fired boilers
… temperatures play a significant role in large coal fired power plant operation. Ideally, main steam temperatures should be accurately controlled to protect the thick wall components against long term overheating and thermal stress while meeting the design conditions at the steam turbine inlet. …
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Design and Optimization of Post-Combustion CO2 Capture
… remove of carbon dioxide from the flue gas of a coal-fired power plant. In particular we construct a monolithic model of a carbon capture unit and conduct a rigorous optimization to find the lowest solvent regeneration energy yet reported. Carbon capture is primarily motivated by environmental …
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Exploring the value proposition of integrating back-up saline storage into anthropogenic CO₂ supplied EOR operations
… storage system with focus on CO₂ supplies from coal-fired power plants was analyzed using a case study. A U.S. coal-fired power plant and a U.S. EOR oilfield were used to model a stacked storage system in order to determine the economic and technical viability of such a model. More specifically, …
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Integration and operation of post-combustion capture system on coal-fired power generation: load following and peak power
Coal-fired power plants with post combustion capture and sequestration (CCS) systems have a variety of challenges to integrate the steam generation, air quality control, cooling water systems and steam turbine with the capture system. A variety of engineering studies have been completed that cover …
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Process and Reactor Level Simulations of Calcium Looping Combustion
… is a recent technology for carbon capture from coal fired power plants which consumes less energy than other approaches such as oxy-fuel. In the first part of this thesis, a system level model is developed in ASPEN PLUS to calculate the energy penalty of introducing Calcium looping in a coal …
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Evaluation of concentration solar cells for terrestrial applications
… is still much higher than that of fossil-fuelled power plant. To reduce this cost, sunlight concentrator, which is made of cheap materials like glass, polymers and metals, can be used together with the solar cell. It is able to focus a wide column of sunrays onto a small piece of solar cell, thus …
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Modelling the Future of Clean and Transitional Energy Systems from Conventional Fossil Fuel Development
… systems within the context of a large scale power facility (the Boundary Dam Plant, in Canada). Based on conducted work, it was recommended that there was potential for co-generation facilities using renewable energy systems (i.e. biogas) equipped with carbon capture and storage. An emission …
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A thermofluid network-based methodology for integrated simulation of heat transfer and combustion in a pulverized coal-fired furnace
Coal-fired power plant boilers consist of several complex subsystems that all need to work together to ensure plant availability, efficiency and safety, while limiting emissions. Analysing this multi-objective problem requires a thermofluid process model that can simulate the water/steam cycle and …
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Technoeconomic Analysis of Textured Surfaces for Improved Condenser Performance in Thermoelectric Power Plants
… process for condenser tubes in thermoelectric power plants. The textured surfaces are expected to provide enhanced performance by deterring fouling and promoting dropwise condensation of the steam on the shell side. Using a thermal resistance network of a shell and tube condenser, detailed …
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Oxygen permeation and thermo-chemical stability of oxygen separation membrane materials for the oxyfuel process
… applied to large stationary sources such as coal-fired power plants could efficiently contribute to the global carbon mitigation effort. The oxyfuel process, which consists in the burning of coal in an oxygen-rich atmosphere to produce a flue gas highly concentrated in CO2, is a technology …
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Geohydrologic evaluation of a proposed coal-ash disposal site near Mandan, North Dakota
… (MDU) operates Heskett Station, a 100 megawatt coal-fired power plant, located near Mandan, North Dakota. In the process of generating electricity, MDU's Heskett Station produces approximately 62,000 tons of coal-ash annually. The ash has been disposed of by above-ground stockpiling on the plant …
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Online boiler convective heat exchanger monitoring: a comparison of soft sensing and data-driven approaches
Online monitoring supports plant reliability and performance management by providing real time information about the condition of equipment. However, the intricate geometries and harsh operating environment of coal fired power plant boilers inhibit the ability to do online measurements of all …
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