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 327 for “"Energy generation"”.
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Decentralizing energy generation: policy recommendations for Germany
… world's leading economies and Europe's biggest energy consumer will be able to re-define its energy industry and use the benefits of innovation in order to combine long-term sustainability with current welfare. And chances are that decentralization plays an important role. The first part will …
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Modeling Flows for Assessing Tidal Energy Generation Potential
Tidal energy is a clean, sustainable, reliable, predictable source of energy. Recent developments in underwater turbines have made harvesting tidal energy feasible. Determining the power potential available in a given water body can be accomplished by using numerical hydraulic models to predict the …
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Dynamic modelling of variable renewable energy generation sources
Renewable energy is one of the most important technologies for decarbonizing the economy and fighting climate change. In recent years, wind energy has become cheaper and more widely adopted. However, the variable nature of wind production creates unique challenges that are not faced by conventional …
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Coupled Thermoelectric and Piezoelectric Meta Structures for Renewable Energy Generation
This work focuses on the combination of thermoelectric and piezoelectric materials into a new hybrid generator. It was discovered that a hybrid thermoelectric piezoelectric generator results in a meta-structure that creates a coupling field effect at the interface between the thermoelectric and …
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Magnetohydrodynamic energy generation and flow control for planetary entry vehicles
… reclamation and harnessing of vehicle kinetic energy through magnetohydrodynamic (MHD) interaction with the high temperature entry plasma. Potential mission designs, power generation and power storage configurations are explored, as well as uses for the reclaimed energy. Furthermore, the impact …
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Design of a hybrid energy-generation system for autonomous kayaks
… is to design and analyze a series-hybrid energy-production system for an autonomous kayak. Currently these vehicles have limited range due to energy storage in lead acid batteries. Extending the range would give the vehicles more operating time in their environments, and allow a greater …
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The environmental impacts and developmental constraints of tidal current energy generation.
… and developmental constraints of tidal current energy. Using an iterative approach and drawing upon a number of different methodologies the thesis attempts to evaluate the development potential of tidal current energy in terms of the resource and identify the potential environmental impacts. In …
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Decomposition-based, complementarity models for renewable energy generation system design optimization
… complementarity models for renewable energy generation system design optimization. A generalization of the decomposition-based design optimization, the subsystems of which involve complementarity conditions, is studied under the concept of multidisciplinary design optimization with …
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Laccase-based Biocatalytic Systems for Recalcitrant Micro-Pollutants Degradation and Energy Generation
… with other enzymes, including the power generation during CO2 bioconversion to formate catalysed by formate dehydrogenase. The novel enzymatic power generation is shown to be potentially feasible utilizing wastewater as fuel as well as occurring in tandem with driving bioconversion of …
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Fabrication of Silicon Photovoltaic Micro-Particles for Low-Cost Solar Energy Generation
… on for a long time, but, utilization of solar energy still remains limited to a very few applications, owing to the high manufacturing costs and lower efficiency. In this work we present a new solar technology based on silicon photovoltaic micro-particles and demonstrate a fabrication technique …
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A demonstration of useful electric energy generation from piezoceramics in a shoe
The feasibility of harnessing electric energy using piezoelectric inserts in a sport sneaker has been demonstrated. Continuing in that spirit, this thesis compares regulation schemes for conditioning the electric energy harnessed by a piezoceramic source imbedded in a shoe insole. Two off-line, …
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Contribution to the development of technology-enhanced education in manufacturing and energy generation
… the need to improve manufacturing methods and energy generation technologies. However, challenges towards the implementation of these methods and technologies vary according to the perspective. Rich countries need to drastically reduce their carbon emissions without abandoning their economic …
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The design and performance of building-scale distributed energy generation in Houston, TX
The expansion of worldwide energy demands, coupled with the fragility of electricity distribution grids, has sparked interest in building-scale distributed solar energy production. To further research into the barriers and challenges of residential grid-intertied solar photovoltaic electrical …
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Numerical modeling of floating vertical axis wind turbines for offshore renewable energy generation
L'abstract è presente nell'allegato / the abstract is in the attachment
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Solar Energy Generation Forecasting and Power Output Optimization of Utility Scale Solar Field
<p>The optimization of photovoltaic (PV) power generation system requires an accurate system performance model capable of validating the PV system optimization design. Currently, many commercial PV system modeling programs are available, but those programs are not able to model PV systems on a …
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Wind energy generation and forecasts: a case study of Darling and Vredenburg sites
… of South Africa for small and large scale wind energy generation. It is anticipated that by virtue of the enormous wind resources prevalent along the South Africa West Coast, it is economical and cost effective to generate electricity from the wind to offset the increasing cost of energy …
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Implementation of a digital signal processing (DSP) boost inverter for fuel cell energy generation
… design of a low power inverter used in Fuel Cell energy source. The fuel cell used in this research is a Heliocentris “Constructor”, a 50W proton exchange membrane (PEM) fuel cell. Fuel Cells are becoming popular and are likely to be used in applications such as a backup power, portable electronic …
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Evaluating the Design and Economics of Commercial-Scale Hydrothermal Carbonization of Biosolids for Energy Generation
… this project was to design a process to produce energy from biosolid waste using a continuous hydrothermal carbonization reaction and to evaluate the economics of implementing the technology for TMWRF. The hydrothermal carbonization reaction was investigated by conducting batch reactions in the …
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Optimization of hybrid renewable energy generation using a nature-inspired algorithm with advanced IoT analytics
Submitted in fulfillment of the requirements of the degree of Doctor of Philosophy in Information Technology (IT) at Durban University of Technology, Durban, South Africa, 2022.
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