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 880 for “"power generation"”.
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Mesofluidic magnetohydrodynamic power generation
… and use of devices to convert the power dissipated within an expanding gas flow into electricity. Specific properties, such as high surface tension, allow for unique possibilities in the design of such devices. The material covered includes a brief derivation of the theory …
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Hybrid solar-fossil fuel power generation
… a literature review of hybrid solar-fossil fuel power generation is first given with an emphasis on system integration and evaluation. Hybrid systems are defined as those which use solar energy and fuel simultaneously, thus excluding the viable alternative of solar thermal plants which use fossil …
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Improving Predictability of Wind Power Generation
… as weather and local geographies, making wind power generation forecast a particularly difficult task. This adds to the challenge of grid management, which requires that the supply of electricity equates the demand at all times. Complicating the effort to improve wind power predicitability is a …
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Air piston approach to wave power generation
… through drive turbines, which produce electric power. This thesis focuses on analyzing the piston and the lever arm mechanism in order to determine the overall output of the system. A 2-D, 3-D model of the piston and lever arm mechanism along with the simulation of the air flow through the …
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Long Term Power Generation Planning Under Uncertainty
<p>Generation expansion planning concerns investment and operation decisions for different types of power plants over a multi-decade horizon under various uncertainties. The goal of this research is to improve decision-making under various long term uncertainties and assure a robust generation …
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Solar thermoelectrics for small scale power generation
… party by the need for clean and sustainable power generation technology. Utilizing the Seebeck effect, the thermoelectric devices can be used as heat engines to convert heat into electricity. With no moving parts, the generators are considered highly reliable with low maintenance, which is …
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Molecular Separation and Power Generation by Carbon Nanomembranes
… was studied, revealing a 0.5 W·m–2 output power density. In addition, a new type of 2D material-bilayer silica dioxide with relative higher ion conductance was investigated for blue energy generation. Under artificial seawater and river water conditions, 5.4 W·m–2 power density was …
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Economic modeling of intermittency in wind power generation
… for large-scale, low carbon energy. As wind power generation increases around the world, there is increasing interest in the impacts of adding intermittent power to the electricity grid and the potential costs of compensating for the intermittency. The goal of this thesis research is to …
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Power generation from geothermal resources : challenges and opportunities
… resource development. This thesis examines power generation technology for two distinct categories of geothermal resources: Hydrothermal and Hot Dry Rock (HDR). The thesis assesses growth opportunities for, and challenges to, the full deployment of geothermal power systems in the electricity …
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Optimal power generation in microgrids using agent-based technology
The existing power grids that form the basis of the respective electrical power infrastructures for various states and nations around the world, are expected to undergo a period of rapid change in the near future. The key element driving this change is the emergence of the Smartgrid. The Smartgrid …
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Harnessing tidal energy for power generation in South Africa
… degree of Master of Engineering in Electrical Power Engineering, Durban University of Technology, Durban, South Africa, 2020.
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Air-Gap Wound Alternators for Large-Scale Power Generation
… conventional type of alternator used for central power generation, but the windings of both the fixed and rotating components are situated in the gap normally separating the two, rather than in slots milled into the steel surfaces. It is shown that this seemingly trivial modification can result in …
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Integrating thermoelectric power generation operations with aquatic ecosystem sustainability
Open-loop thermoelectric power plants, representing 30% of the electricity generation in the United States, withdraw and discharge large quantities of water for cooling purposes. This process can cause thermal pollution in waterways, adversely affecting aquatic ecosystems. Incorporating biology …
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Oxide based thermoelectric materials for large scale power generation
… and T is the temperature. In the past, TE power generation has been confined to niche applications. It has been technically and economically more efficient to produce electricity using traditional generators rather than a thermoelectric generator. However, recent significant advances in the …
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A thermally efficient micro-reactor for thermophotovoltaic power generation
… the stored chemical energy into electrical power are interesting alternatives to batteries in certain applications. The increasing demands in power and total energy delivered to portable consumer electronics such as laptops, and to military equipment that most soldiers carry with them today, …
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High-density thermoelectric power generation and nanoscale thermal metrology
Thermoelectric power generation has been around for over 50 years but has seen very little large scale implementation due to the inherently low efficiencies and powers available from known materials. Recent material advances appear to have improved the technology's prospects. In this work we show …
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Catalysts and materials development for fuel cell power generation
… SOFC systems would be of interest for portable power generation if the thermal cycling and slow start-up issues could be addressed. One potential solution is the development of Si-supported ultrathin electrolyte structures (~100 nm-thick) of low thermal mass. Due to the low maximum fabrication …
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