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.
Results
Showing 1 to 20 of 80 for “"Renewable Energy Source"”.
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Optimized clean hydrogen production using nuclear small modular reactor and concentrated solar power as a renewable energy source
… hydrogen will serve as a key fuel and energy source by decreasing greenhouse gas (GHG) emissions. In this research an integral Pressurized Water Reactor-type Small Modular Reactor (iPWR-type SMR), connected to a molten-salt based Concentrated Solar Power (CSP) plant, producing …
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Evaluation of theoretical models to estimate landfill gas(LFG) potential as a renewable energy source: a case study of Chunga landfill
… managed, methane in LFG can be a valuable energy resource.Currently no landfill gas to energy (LFGTE) project exists in Zambia for utilization of LFG and little information is available on the potential of electricity generation from the gas. With the electricity demand in Lusaka increasing …
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Development and application of a photovoltaic financial model
… to determine the viability of solar farms as a renewable energy source. Furthermore, this study demonstrates the need for increased incentives and improved policy guidelines in order to encourage the investment in additional highly desirable renewable solar energy projects.
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Coupling geothermal energy capture with carbon dioxide sequestration in naturally permeable, porous geologic formations -- a novel approach for expanding geothermal energy utilization.
… presents a new method to harness geothermal energy by combining it with geologic carbon dioxide (CO2) sequestration. CO2 is injected into deep, naturally porous and permeable geologic formations. The geothermally heated CO2 is piped to the surface, used to produce electricity, and then …
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Design of a two-stage multi-state experimental biogas reactor
… an important field of study because biogas is a renewable energy source. If it can be produced more efficiently, it may become a feasible alternative source of green energy. This thesis outlines the design of a lab-scale experimental reactor with a large range of functionality. The design permits …
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Toward Systematic Integration of Inverter-Based Resources in Electricity Markets
… control architecture for inverter-based resources (IBRs), separating fast local feedback control from slower self-dispatch and system-level market coordination. Existing integration methods for IBRs limit their control flexibility and completely restrict their market participation …
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Near-Infrared High Efficiency Organic Dye Sensitized Solar Cells (DSCs) and Biological Fluorescent Imaging Dyes
With the energy consumption increase every year, the non-renewable energy sources such as fossil fuels, natural gas, and coal will not sustain forever. In this case, searching for a way to develop a renewable energy source is an emergency. For decades, dye-sensitized solar cells (DSCs) have …
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Biomasses for the obtainment of new functional polymer materials
… from biomasses. Biomasses are a very versatile renewable energy source with low environmental impact and are less expensive than the resources deriving from petroleum. Furthermore, the use of biomasses leads to environmental advantages. This PhD work is divided into two parts: the first one …
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Examining Tantalum-Based Photocatalysts for Photoinactivation of E. coli
… is a bacterium that contaminates potable water sources, and can cause a host of gastrointestinal infections. It is valuable to explore alternative cost-effective, efficient ways to reclaim wastewater and sterilize potable water outside of the current methods. Solar power is a renewable energy …
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Optimization of PEDOT: PSS thin film for organic solar cell application
As a clean and renewable energy source, the development of the organics solar cells is very promising due to the inorganic solar cell inconvenient production process and material shortness. In this work, P3HT: PCBM bulk-heterojunction devices were produced by spin coating organic layers onto ITO …
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Modeling And Control of Variable Speed Wind Turbines
Wind power is the most commonly used renewable energy source over the past decades. Among the wind turbine systems, Variable speed wind turbines are the most preferred one since it is cheaper, more efficient and has more of control capabilities over the produced active and reactive power. This …
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The effectiveness of the policies on renewable electricity in China
After the legislation of the Renewable Energy Law, China's government established a series of policies to promote renewable energy source electricity (RES-e) from 2005-2012. The effectiveness of the policies varies depending on different perspectives of different stakeholders. Explaining this …
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Broadband excitation of fuel cells for online condition monitoring using different switch-mode DC-DC mode topologies
There is a great demand for renewable energy sources, and these include solar and wind energy sources. However, a renewable energy source with a continuous energy supply is desired, but energy sources from wind and solar energy sources are intermittent, i.e., solar energy is only available during …
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Understand acceptance and opposition to geothermal energy in Iceland
Transitioning from fossil fuels to renewable sources of energy is a crucial component to mitigating current effects and preventing further consequences of human-induced climate change. One such renewable energy source is geothermal energy, a viable source of energy in Iceland as well as other parts …
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Uma abordagem contextualizada e diferenciada do tema bioetanol nas aulas de química do ensino médio.
… introduction of experiments and technological resources in the classroom, is found to play an important role in the student learning process by stimulating curiosity and overall learning. An alternative to integrate these strategies is to choose and discuss a topic of socioeconomic and …
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Energy Management System Modeling of DC Data Center with Hybrid Energy Sources Using Neural Network
… their reliability. The continuing growth of renewable energy sources such as photovoltaics (PV) system presents an opportunity to reduce the long-term energy cost of data centers and to enhance reliability when used with utility AC power and energy storage. However, the inter-temporal and the …
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Modelling airlift photobioreactors for algal bioenergy, using Scenedesmus sp. as the model species
Rising global energy demands and global warming concerns from fossil derived fuels are two major problems affecting future generations. Bioenergy from algae offers a part solution that is both attractive and sustainable, by supplementing energy demands from a renewable energy source (the sun) and …
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Evaluation of the PV technology for rural electrification improvement : China market focus
Energy use, especially electricity, in China is rapidly growing, but China faced two challenges in developing new energy supply: global climate changes and unbalanced economic development between urban and rural regions. Considering its geographical limitation and climate change problem, …
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A ray tracing investigation of light trapping due to grooves in solar cells
… problem the world faces today is finding a renewable energy source as fossil fuel reserves being depleted, and the ongoing burning of fossil fuels is destroying environments all over the world. Solar energy is the most abundant energy source but is too expensive compete with non-renewable …
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Modeling and Control of a Single-Phase, 10 kW Fuel Cell Inverter
As the world's energy use continues to grow, the development of clean distributed generation becomes increasingly important. Fuel cells are an environmentally friendly renewable energy source that can be used in a wide range of applications and are ideal for distributed power applications. In this …
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