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 122 for “"Geothermal energy"”.
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Decision analysis for geothermal energy
… key impediments to the development of enhanced geothermal systems is a deficiency in the tools available to project planners and developers. Weak tool sets make it difficult to accurately estimate the cost and schedule requirements of a proposed geothermal plant, and thus make it more difficult …
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Geothermal energy : silica precipitation and utilization
… experiments have been ongoing at the Reykjanes geothermal power plant, Iceland, since 2011. Silica samples were obtained from the field and thoroughly investigated to estimate the silica’s potential as a marketable product. Targeted applications were studied in detail and the main …
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Performance of Deep Geothermal Energy Systems
Geothermal energy is an important source of clean and renewable energy. This project deals with the study of deep geothermal power plants for the generation of electricity. The design involves the extraction of heat from the Earth and its conversion into electricity. This is performed by allowing …
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Potential of geothermal energy in China
This thesis provides an overview of geothermal power generation and the potential for geothermal energy utilization in China. Geothermal energy is thermal energy stored in the earth's crust and currently the only ubiquitously available form of renewable energy that does not require a fuel or …
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An Engineering Analysis Method for Deep Geothermal Energy
At present there are already many deep geothermal projects allowing us to have a better understanding of deep geothermal energy. However, there are still many issues to be solved for more reliable use of deep geothermal energy. This thesis proposes an engineering analysis method to assess the …
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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.
… thesis research 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 …
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Understand acceptance and opposition to geothermal energy in Iceland
… 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 of …
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Enhanced geothermal energy and cogeneration : design, technology and economics
… search for and the development of new sources of energy continue to gather importance into the 2 1st century. One of the options at hand is mining heat from the earth's crust. The U.S. Department of Energy has supported research into Enhanced Geothermal Systems in Hot Dry Rock (HDR) since the mid …
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Geothermal Energy Planning Considerations for Military Operational Energy Demands
… Defense has made progress in adopting renewable energy technologies, many of these systems remain too large, inefficient, or underdeveloped for widespread use in operational environments. Geothermal energy presents a promising but underexplored alternative for generating reliable, on-site …
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Shallow Geothermal Energy in Urban Environment: Innovative solutions for sustainable cities
L'abstract è presente nell'allegato / the abstract is in the attachment
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An analysis of geothermal energy use as heat in industrial processes
Thesis: M.S., Massachusetts Institute of Technology, Department of Mechanical Engineering, 1980
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Physics-guided Machine Learning Approaches for Applications in Geothermal Energy Prediction
In the area of geothermal energy mapping, scientists have used physics-based models and bottom-hole temperature measurements from oil and gas wells to generate heat flow and temperature-at-depth maps. Given the uncertainties and simplifying assumptions associated with the current state of …
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Conceptual design of nuclear-geothermal energy storage systems for variable electricity production
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Nuclear Science and Engineering, 2011.
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Early growth technology analysis : case studies in solar energy and geothermal energy
… from case studies on the fields of solar and geothermal energy. We identified emerging technologies in these specific fields to test the viability of our results. We believe that data-driven approaches, such as the one proposed in this Thesis, will increasingly be used by policy makers to …
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Numerical Analysis of Thermal Behavior and Fluid Flow in Geothermal Energy Piles
Geothermal heat exchangers are a growing energy technology that improve the energy efficiency of heating and cooling systems in buildings. Vertical borehole heat exchangers (BHE) coupled with ground source heat pumps have been widely developed and researched in the past century. The major …
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Ground-Source Bridge Deck Deicing and Integrated Shallow Geothermal Energy Harvesting Systems
Shallow geothermal energy (SGE) systems are becoming increasingly popular due to both their environmental and economic value. By using the ground as a source and sink for thermal energy, SGE systems are able to more efficiently heat and cool structures. However, their utility beyond structural …
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Thermal sustainability of low-temperature geothermal energy systems: System interactions and environmental impacts.
… winter. Due to their good efficiency, the use of geothermal energy is often encouraged; however, two issues arise in the long-term use of ground for thermal purposes: the sustainability and impact of these systems on the environment. Studies show the potential of the geothermal heat exchangers for …
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Design and evaluation of solar and geothermal energy systems integrated with Cu-Cl cycle
This thesis study proposes solar and geothermal based three multigeneration systems. System 1 consists of a bifacial photovoltaic (BiPV) plant, multi-effect distillation (MED) desalination unit and, proton exchange membrane (PEM) electrolyzer. Systems 2 and 3 additionally consist of the copper …
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