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 104 for “"electricity production"”.
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Nuclear-renewables energy system for hydrogen and electricity production
… attention because of their ability to produce electricity while cutting carbon emissions. However their output does not match demand. This thesis introduces a nuclear-renewables energy system, that would produce electricity and hydrogen on a large scale while meeting the load demand. The system …
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Modeling a distributed energy system for California electricity production through 2050
… with respect to the use of centralized power production through 2050. Due to availability of complete data, Sacramento Municipal Utility District (SMUD) in California is the main focus of this thesis; however other utility companies such as PG&E, SDG&E and SCE are also discussed. The test …
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Improving bio-electricity production and waste stabilization in Microbial Fuel Cells
… the waste stream while simultaneously generating electricity. MFCs represent an emerging technology which may deliver the capability to reduce the pollution potential of low strength wastewaters (< 1500 mg COD l-1) while generating electricity which could be used to self-power the process. Waste …
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A Theoretical and Experimental Study of Controllable Electricity Production via Biogas Plants
… grid stability in the future, controllable power production via biogas plants has great technical and economic potential. The main aim of this thesis is a new system design for controlled, demand oriented elec-tricity production via biogas plants, based on system analyses and parameter studies. …
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Electricity production from sugar industries in Africa : a case of South Africa
Low access to electricity is a problem in Africa. Apart from South Africa and Mauritius access to electricity generally falls below 30% of the population. The situation is even worse in the rural areas which housed about 70% or more of the population and whose access to modern energy services in …
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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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The Green Revolution in California: The Real Costs and Benefits of Changing Electricity Production
… the changes that have been made in the way that electricity is produced in California over the last 25 years. It examines the costs of these changes and the benefits accruing from those changes to people in California. It argues that previous efforts have incorrectly measured the costs of …
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Conceptual design and performance characteristics of firebrick resistance-heated energy storage for industrial heat supply and variable electricity production
… deployment of wind or solar energy results in electricity price collapse at times of high wind or solar output to below the price of fossil fuels. This revenue collapse limits economic large-scale use of wind and solar and reduces the revenue for nuclear plants. The current electrical energy …
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Investigation of Agricultural Residues Gasification for Electricity Production in Sudan as an Example for Biomass Energy Utlization under Arid Climate Conditions in Developing Countries
This study examines the possibility of electricity production through gasification of agricultural residues in Sudan. The study begins in Chapter 1, by providing general contextual analysis of the energy situation (production and consumption patterns) in Sudan with specific focus on electricity. It …
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Feasibility of supercritical CO2 coaxial heat exchanger geothermal well conversion with ECO2G technology
… first scenario, Case A, utilizes the existing production casing as the heat exchanger and plugs the well at 1000 m depth to create the closed loop. The second scenario, Case B, inserts a new, closed, hang-down liner to the full 2500 m depth to use as the heat exchanger. A spreadsheet …
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Modeling barriers to cost change in solar and nuclear energy technologies
… systems has declined more rapidly than other electricity production technologies, while nuclear plant costs have risen. Changing costs have contributed to global energy transitions in the past, and our capacity to decarbonize the electricity sector will depend on the cost of low-carbon …
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Power generation from geothermal resources : challenges and opportunities
… in the use of non-fossil energy technologies for electricity production. As a 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). …
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Silica micro-encapsulation of organic phase-change materials for thermal energy storage
Renewable energy production and storage are our main levers to fight climate change. As the battery industry struggles to manufacture cheap, cyclable and safe systems, thermal energy storage recently became a more active area of research, promising cheap and cyclable storage materials. In the U.S., …
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Practical Optimisation of District Energy Systems: Representation of Technology Characteristics, Demand Uncertainty, and System Robustness
… to meet demand in urban areas. Decentralising electricity production reduces distribution losses, while centralising thermal energy production capitalises on economies of scale. Furthermore, geographic proximity facilitates the use of waste heat from electricity production to meet thermal …
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Does monetary policy affect real output in a supply-constrained economy: case of Malawi
… constraints including those related to electricity production and water for agricultural production. We begin with a Cobb-Douglas type production function for the country, which includes droughts, owing to its effect on both electricity production and agriculture. This underlying …
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Organic Sensitizers for High Efficiency Dye-Sensitized Solar Cells
… dissertation describes, utilizing sunlight for electricity production with dye-sensitized solar cells (DSCs). DSCs are an attractive solar technology due to processing advantages over traditional solar cells. To improve the stability of DSCs, strong surface binding dyes are important. This work …
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Bioenergy supply chain optimisation: the case study of South Africa
… the multiple timeframe supply chain network production of bioenergy products based on economic, environmental and sustainability objectives. The study also assesses the effects of varied dry matter and methane contents on electricity production from biogas whereby the General Algebraic …
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Power system planning: an integrated techno-economic and portfolio approach
The electricity sector can be afflicted with different types of risk, in particular fuel price fluctuations can highly impact the price of electricity. The most common tools used in power planning apply a minimum cost approach to it in order to find an appropriate electricity matrix. These tend to …
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Anaerobic Co-digestion of Wastewater Treatment Pond Algae with Wastewater Sludge
… ammonia concentrations and increase methane production. However, high carbon waste co-substrates have become costly or are not readily available in many communities. Although domestic wastewater sludge has only a marginally higher C:N ratio than algae biomass, sludge is a practical …
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Simulation of a power station's condensate pumping system in view of improving its efficiency
With increasing environmental awareness, higher electricity production costs, and a shortage in electricity supply to the South African grid, increased focus has been placed on the efficiency of power plants, and the improvement thereof. On the majority of the Condensate Extraction Pumps (CEPs) …
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