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 148 for “"Sources of energy"”.
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Comparative Analysis of Wind, Solar and Landfill Gases as Alternative Sources of Energy for Electricity Generation
… were studied in order to understand the trend of fuel mix projected to be used. Clearly, the fuel mix being used or projected is unsustainable. Depletion of fossil fuels, increasing demand and environmental impacts are some of the factors that emphasize the use of Alternative Sources of …
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An integrated rural energy strategy for the Upper Tugela Location, KwaZulu
… the means to enhance the availability of, and access to, affordable energy sources in the Upper Tugela Location. A further aim is to match appropriate energy sources with the socio-economic conditions prevailing there. The Upper Tugela Location is an ecologically sensitive area of the …
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Design and development of a communication-assisted microgrid protection system
Climate change concerns due to the rising amounts of the carbon gas in the atmosphere have in the last decade or so initiated a fast pace of technological advances in the renewable energy industry. Such developments in technology and the move towards cleaner sources of energy have made renewable …
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Science interests of sixth grade students
Authors of some research studies and other concerned citizens have questioned the relevance and appropriateness of the teaching of science as it is currently done for the transescents in the middle schools. Some suggest that teachers merely attempt to teach scientific facts without regard for …
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Holistic Analysis of Fuel Cells for Residential Application
The development of an index to compare different sources of energy is presented; the index address the appraisal of the source of energy from its sustainable performance and also using the factors that influence the user's decision making process of adopting an alternative energy. The index is used …
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Proposta de atividades para o ensino de química envolvendo o tema biodiesel.
Currently, it is known that the preservation of the environment is an issue of significant importance in society, since the planet has been attacked in various ways. Are vast sources of pollution carried by man, one of the most glaring is the air pollution, caused mainly by burning fossil fuels, …
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Simulations and modeling of biomass gasification processes
Available, low-cost, energy supplies are vital for the world's economy and stability. The current sources of energy harm our environment and are not renewable. Therefore, technology must accommodate new sustainable sources of energy to provide for the high-energy consumption. Biomass is a …
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Photoluminescence Characterization of Patterned Quantum dots and Inverse Quantum dots
… supply have forced us to look for alternate sources of energy. Solar energy offers a cheap, alternate form of energy. The efficiency of a solar cell is set by the Shockley-Queisser limit and is currently very low. New techniques to increase the efficiency of solar cells are being explored. …
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Situational analysis of the effects of load shedding on dairy milk production industry in Zambia: a case of Finta farms, 2013 – 2016.
This research sought to assess the effects of load shedding on dairy milk production industries in Zambia. The researcher was motivated to undertake this study due to lack of socio economic development as a result of erratic power supply caused by load shedding to Zambian industries. The research …
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Situational analysis of the effects of load shedding on dairy milk production industry in Zambia: a case of Finta farms, 2013 – 2016.
This research sought to assess the effects of load shedding on dairy milk production industries in Zambia. The researcher was motivated to undertake this study due to lack of socio economic development as a result of erratic power supply caused by load shedding to Zambian industries. The research …
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INTEGRATED DYNAMIC DEMAND MANAGEMENT AND MARKET DESIGN IN SMART GRID
… Grid is a system that accommodates different energy sources, including solar, wind, tidal, electric vehicles, and also facilitates communication between users and suppliers. This study tries to picture the interaction among all new sources of energy and market, besides managing supplies and …
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Methods for Testing Transport Theories
… collisions theory underestimates the rates of energy losses. The main sources of energy transport are instabilities due to fluctuations in magnetic fields, electric fields, and plasma density and/or temperature gradient. Although many theoretical models have been introduced to describe …
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Detecting sources of heat loss in residential buildings from infrared imaging
… was conducted to determine the most common sources of heat loss during the winter in residential buildings. 135 houses in the greater Boston and Cambridge area were photographed, stitched, and tallied to characterize nine major causes of heat loss: window frames, window surfaces, window …
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Experimental and ab initio studies of oxide interfaces for photoelectrochemistry
… a research thrust towards renewable, carbon-free sources of energy. Photoelectrochemical (PEC) approaches are particularly attractive, combining energy capture from the sun with storage in the form of hydrogen or hydrocarbon fuel. However, there are significant materials challenges to be overcome, …
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Integration of Phasor Measurement and Communication Capability in a Flexible-Combined Heat and Power Converter Testbed
The transition from fossil fuel-based energy sources involves exploring different sources of energy that can be reliably integrated into the power grid. One such existing resource is the CHPs, which are distributed throughout the US electric grid. The integration of the CHPs into the grid requires …
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Airport Solar and Geothermal Power
… developed to understand how solar and geothermal energy systems are being utilized by airports throughout the United States. There is currently lit- tle specific research on this topic. As fuel prices continue to rise and sources of non- renewable energies begin to be unavailable and become …
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Global Capitalism and the Energy Crisis: Challenges and Opportunities Associated with a Transition to Renewables
… fuels have provided a cheap and efficient source of energy. Reliance on fossil fuels, especially oil, supported economic growth under capitalism but also has led to climate change. As peak oil approaches, a transition towards renewable sources of energy is mandatory for ensuring future prospects …
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Simulation of a vertical ground-coupled heat pump system with optimal ground loop design
As the natural resources for conventional energy will steadily diminish in the future, it becomes necessary to search for alternate sources of energy. One of those sources includes the geothermal energy, which is defined as the thermal energy found in the earth's crust. Ground coupled heat pumps …
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Active Stabilization of Thermoacoustic Oscillation
Combustion processes serve as important sources of energy for both power generation and for transport, ranging from large scale power stations to micro turbines and aeroplane engines. Lean premixed combustion offers a potential to reduce the emission levels, but suffers from instability problems …
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