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 31 for “"Geothermal resources"”.
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Power generation from geothermal resources : challenges and opportunities
… result there is an opportunity for expansion of geothermal resource development. This thesis examines power generation technology for two distinct categories of geothermal resources: Hydrothermal and Hot Dry Rock (HDR). The thesis assesses growth opportunities for, and challenges to, the full …
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Identifying potential geothermal resources from co-produced fluids using existing data from drilling logs : Williston, North Dakota
… for environmentally-friendly power generation, geothermal power has become an attractive resource given its low environmental impact and potential cost savings. One specific resource is co-produced water from oil wells that are not currently producing, but can yield formation waters that are …
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Modeling and analysis of hybrid geothermal-solar thermal energy conversion systems
Innovative solar-geothermal hybrid energy conversion systems were developed for low enthalpy geothermal resources augmented with solar energy. The goal is to find cost-effective hybrid power cycles that take advantage of the potential synergies of solar thermal and geothermal resources. One aspect …
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Joule heating and pore pressure evolution, magmatic intrusions at continental rifts, and microseisms in Yellowstone Lake
… is to investigate research topics related to geothermal resources. Chapter 1 introduces the thesis and motivates the need to study research topics in relevant geothermal environments, and develop new technologies to economically extract heat from these resources. In Chapter 2, microseism …
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Joule Heating and Pore Pressure Evolution, Magmatic Intrusions at Continental Rifts, and Microseisms in Yellowstone Lake
… is to investigate research topics related to geothermal resources. Chapter 1 introduces the thesis and motivates the need to study research topics in relevant geothermal environments, and develop new technologies to economically extract heat from these resources. In Chapter 2, microseism …
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ΒΕΛΤΙΣΤΗ ΕΚΜΕΤΑΛΛΕΥΣΗ ΓΕΩΘΕΡΜΙΚΟΥ ΠΕΔΙΟΥ ΧΑΜΗΛΗΣ ΕΝΘΑΛΠΙΑΣ ΜΕ ΣΥΣΤΗΜΑ ΠΗΓΑΔΙΩΝ
… DURING THEIR EXPLOITATION AS LOW ENTHALPY GEOTHERMAL RESOURCES BY MEANS OF SYSTEM OF WELLS. THE THESIS CONSISTS OF 8 CHAPTERS. THE FIRST REFERS TO GEOTHERMAL ENERGY IN GENERAL. THE SECOND DEALS WITH THE HEAT TRANSFER MECHANISMS AND THE EQUATIONS DESCRIBING WATER AND HEAT TRANSFER INSIDE …
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Direct mixing of geothermal water and condensate into heated groundwater at Nesjavellir power station
The focus of this study is on the Nesjavellir geothermal power station in Iceland, which plays a vital role in supplying hot water for space heating in the capital area. The power station operates as a co-generative single-flash geothermal plant, generating electricity using high-temperature …
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Numerical modeling of cold water injection into supercritical geothermal reservoirs
… of sustainable exploitation of the Earth’s resources. Geothermal energy is a renewable energy resource found in the reservoirs of high temperature geothermal systems. In broad terms a high temperature geothermal system is comprised of a multitude of processes which redistribute heat and mass …
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Vakarų Lietuvos geoterminės anomalijos prigimtis /
… of Master thesis is “Origin of West Lithuanian geothermal anomaly”. Geothermal anomaly in western part of Lithuania is the most intense in the Eastern Europe Craton that implies exceptional regime in the lithosphere of the region. Inventory of similar heat flow anomalies in the cratons worldwide …
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Characterising subaerial basaltic ‘a‘ā lava flows as potential geothermal reservoirs: Nordeste volcanic complex, Volcanic, São Miguel, Azores
Globally there is an abundance of geothermal resources that are suitable for low enthalpy geothermal energy generation, such as ground source heating however, very few of these have been utilised. Specific to São Miguel, The Azores, there are plenty of geothermal manifestations in the form of hot …
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Design And Optimization Of Organic Rankine Cycle For Low Temperature Geothermal Power Plant
… have increased attention to renewable energy. Geothermal energy is a very attractive source of renewable energy. Although low temperature resources (90C to 150C) are the most common and most abundant source of geothermal energy, they were not considered economical and technologically feasible …
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Seismic characterization of geothermal reservoirs by application of the common-reflection-surface stack method and attribute analysis
… portfolio is the exploration and utilization of geothermal resources. For the development of a geothermal project at great depths a detailed geological and geophysical exploration program is required in the first phase. With the help of active seismic methods high-resolution images of the …
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A fault-controlled geothermal system in Tarutung (North Sumatra, Indonesia)investigated by seismological analysis
… which appear to be associated with the three big geothermal manifestations in Sipoholon, Hutabarat, and Panabungan area. These anomalies are connected with high Vp/Vs and low Qp anomalies below the Tarutung basin at depth of around 3 - 10 km. This suggests that these geothermal manifestations are …
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Thermoeconomic model and feasibility study of geothermal power cycle with Lithium extraction
Geothermal brine obtained while exploiting a geothermal resource for power generation applications consists of various minerals in different concentrations. Increased demand for lithium, mainly for the electric vehicle industry, has increased the economic viability of extracting the mineral from …
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Environmental and economic analysis of thermal energy storage for a district heating system in Bolungarvik
… are impacted the most since they lack access to geothermal resources for essential heating as well as robust energy infrastructure. Not only must they rely on electricity to meet both their heating and power demand, but these regions also experience frequent outages. The current backup systems …
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Hot dry rock reservoir modelling
Geothermal energy reserves are significantly underdeveloped resources, and field experiments have shown the energy produced from this resource is clean and sustainable. Deep geothermal resources represent one form of geothermal energy, and the most widely used, in terms of commercial viability, are …
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Experimental and modeling methods to study radon transport processes in porous media
… such as exploring uranium ores, locating geothermal resources and hydrocarbon deposits, mapping geological faults, predicting seismic activity or volcanic eruptions and testing atmospheric transport models. Much attention has also been paid to the health radiological hazard due to …
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Effects of thermally-induced fractures on EGS performance
An Enhanced (or Engineered) Geothermal System (EGS) is defined as an engineered reservoir formed by hydro-fracturing hot dry rock to extract heat from low permeability geothermal resources to generate electricity. EGS technology is undergoing stages of advancement, and a substantial amount of …
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Technical and feasibility study for the San Vicente geothermal power plant project in El Salvador, Central America
The production of electricity from geothermal energy is forecast to continue growing worldwide. The complexity and high investment cost of a geothermal project require experienced professionals from different disciplines to organize, prepare and deliver a successful project. Historically, …
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Geophysical investigation and assessment of the Rye Patch Known Geothermal Resource Area, Rye Patch, Nevada
… survey was conducted at the Rye Patch Known Geothermal Resource Area located at Rye Patch, Nevada. The purpose of the study was to attempt to further delineate the geothermal reservoir and/or to identify potential drilling targets. The survey consisted of collecting data at 264 new stations …
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