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 13 of 13 for “"Surplus energy"”.
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Surplus and Scarce Energy: Designing and Optimizing Security for Energy Harvested Internet of Things
… a continuous power supply for longevity and energy harvesting from ambient sources enable sustainable operation of such embedded devices. Using selfpowered power supply gives raise two scenarios, where there is surplus or scarce harvested energy. In situations where the harvester is capable …
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Understanding the active sites and reaction mechanism of water oxidation on metal oxides
Solar energy irradiating the Earth's surface exceeds human energy consumption by four orders of magnitude and the key to alleviating the global energy crisis lies in efficiently harnessing it. An ideal means of storing surplus energy from solar is to convert it to hydrogen using proton exchange …
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Response to the Sun
… made of the notions of warmth, light, shadow and energy as form generators. Of specific concern is how one structure can work in harmony within its environment and existing constraints. An analysis of an existing building is performed, with an eye to its strengths and weaknesses as a residence. It …
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Investigating the Hydrogen Supply Chain for Low-Carbon Power Generation Under Future Uncertainties: A Tradespace Exploration Approach
… following the Paris climate agreement. Renewable energy is seen as the clean and sustainable solution, but the lack of these resources due to non-uniform distribution in certain highly industrialized countries, especially those that rely on energy imports to meet demand, presents significant …
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Innovative energy systems and processes based on hydrogen from RES and its derivatives in the energy transition process
… hydrogen and ammonia production in renewable energy-powered energy systems, as a decarbonization pathway in the energy sector. Climate change mitigation and the transition to carbon-free energy systems are challenged by the inherent intermittency of renewable sources, which affects grid …
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Economic analysis and environmental impact of energy usage in microbusinesses in UK and Kurdistan, Iraq
… fossils fuels and substituting it with renewable energy sources such as wind, tidal and hydroelectric. Solar source seems to be the most promising due to its environmental friendly nature, portability and reliability. This source was examined in terms of microbusinesses such as SMEs including hair …
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Material Fluidity: Sense - Will - Form, Alexandria, Virginia Maritime Museum
… forces while borrowing and redistributing energy throughout an internal cohesive structure. The building serves as an instrument of measurement, etching the pattern of the tides in the night sky and measuring its own shifting form in relation to the moon - its form, constantly reformulates …
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A Coordinated Voltage Management Method Utilizing Battery Energy Storage Systems and Smart PV Inverters in Distribution Networks with High PV and Wind Penetrations
… due to the frequent variability of the output energy from DG, these devices may fail in doing the needful. Battery energy storage systems (BESS) and smart PV inverter functionalities are regarded as promising solutions to promote the seamless integration of renewable resources into distribution …
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Advanced control in smart microgrids
… reduction of greenhouse gas emissions, renewable energy technologies are attracting more and more attentions and various types of distributed generation (DG) sources, such as wind turbine generators and solar photovoltaic (PV) panels, are being connected to low-voltage distribution networks. …
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Improving the Efficiency of Energy Harvesting Embedded System
… a specific member in the more general Electrical Energy Storage (EES) family and is widely used in mobile systems, as well as the efficiency of other electrical energy storage systems such as supercapacitor, lead acid battery, and nickel–hydrogen battery etc. Previous studies show that hybrid …
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Dispatchable Operation of Multiple Electrolysers for Demand Side Response and the Production of Hydrogen Fuel-Libyan Case Study
… driving forces to the development of renewable energy and its integration into existing electricity grids. The variable nature of RE generators assessment affects the ability to balance supply and demand across electricity networks; however, the use of energy storage and demand-side response …
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DCT Enabled smart consumer Grid Model
Sustainable energy and energy harvesting has become a hot research area due to the shortage of fossil energy resources and burning fossil fuels release greenhouse gases in our environment, which is partaking in gradually increasing of surrounding temperature of our environment. Therefore, the …
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A Comparative Study of the Perceptions of Elementary School Administrators, Teachers, and Students Regarding recess and Free Play in the Public School.
<p>According to recent studies, the number of schools that have severely limited or eliminated recess and free-play opportunities is on the rise across the nation. School officials cite the increasing levels of state and federal pressure to perform on standardized tests as the primary reason for …