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 18 of 18 for “"Natural energy"”.
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Modelling the effects of alternatives in natural energy systems in small agriculturally oriented communities
Thesis. 1977. M.Arch.A.S.--Massachusetts Institute of Technology. Dept. of Architecture.
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Theoretical and numerical results for electrorheological fluids
… a significant change. The thesis covers the natural energy spaces (generalized Orlicz spaces), existence and regularity of solutions (2D + 3D), pressure stabilization, fully implicit Euler time discretization, and Meyer type estimates.
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A notation of energy conscious design: an architectural approach to energy conservation
The energy crisis begins with human manners of using natural energy and his attitude toward the natural environment. The most effective actions of energy conservation in building design do not lie in engineering oriented solutions but are in the effort in designing with nature. Based on this …
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CFD analysis of heat storage and recovery from geothermal water exiting the space heating radiator using phase change material
Geothermal energy has been widely adopted as an environmentally friendly natural energy resource for electricity generation and direct use applications. Efficient way of utilizing geothermal energy, mainly low enthalpy geothermal fluid, involves cascaded utilization of the hot water for direct use …
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Solar row houses: between the earth and sky
… materials in their construction and consume more energy to heat and cool than a more compact house would. Meanwhile, the amount of resources that are available have not increased, and the environmental condition of the planet has become more and more tenuous. To end this trend of larger houses …
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Use of the case study method to provide initial design strategies for daylighting as a primary design determinant in earth-integrated structures
Daylight, a natural energy source in the form of electromagnetic radiation, has been one medium by which one defined and perceived architectural space and form. That was why the creative use of daylight was and continues to be so important in the development of any built environment, especially …
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Existence and Stability of Solitary Waves for NLS with Defects
… of the parameters, so that they belong to the natural energy space $H^s$. Next, we provide a complete classification of their spectral stability. Finally, we show that the waves are non-degenerate and consequently orbitally stable, whenever they are spectrally stable. Incidentally, our …
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Numerical simulation and optimization of cyclic and continuous fluid injection for geothermal energy recovery
Geothermal energy is a viable solution for reducing greenhouse gas emissions and mitigating climate change. It has a wide geographic distribution, requires little exploration and operation costs, and has virtually no carbon emissions. This renewable energy source can generate electricity, provide …
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Análise paramétrica do método de injeção alternada de água e CO2(WAG) em reservatórios de petróleo
After the decline of production from natural energy of the reservoir, the methods of enhanced oil recovery, which methods result from the application of special processes such as chemical injection, miscible gases, thermal and others can be applied. The advanced recovery method with alternating - …
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The Hawaii carbon dioxide ocean sequestration field experiment : a case study in public perceptions and institutional effectiveness
… international site selection process, the Natural Energy Laboratory of Hawaii Authority (NELHA), a quasi-governmental organization, was chosen as the host for the project in March 1998. In addition to fulfilling the necessary technical criteria, NELHA maintained an ocean research corridor, …
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Ultrafast Terahertz Spectroscopy of Collective Excitations in Correlated Materials
… to complex ground state phases. The lowest-energy collective excitations of a particular ground state serve as a fingerprint of the phase of matter, and revealing such collective modes can therefore provide crucial information for understanding the underlying microscopic interactions. A …
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Tohoku Topo-Urbanism : oblique community form in post-Tsunami Japan
… inland. The results can be detrimental to the natural and cultural landscape, and threaten to destroy already fragile communities. Thus, this thesis is positioned as an alternate form of settlement that seeks a balance between productive and preserved landscape, and suggests that development …
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A composite index for enhancing sustainability within public housing projects in Libya
… Whilst Libya has alternative and abundant natural energy resources (i.e. so-lar energy, wend, etc.). This has made energy efficiency issues at the second highest priority (24 credits), which can encourage the adoption of more sustainable, renewable energy resources. Fundamentally, it …
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Design, Synthesis and Application of Cylindrical Polymer Brushes: From Nanostructures to Advanced Materials
… complex functional CPBs for light-harvesting and energy transfer, and utilized CPBs as templates for the synthesis of novel one-dimensional (1D) organic/inorganic hybrid nanostructures. The ‘grafting-from’ approach was chosen as the general method to synthesize well-defined CPBs with various …
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Role of sulphates and chloride ions in improved oil recovery in a hybrid smart-low salinity flooding technique
The growing demand for energy to cater for the growing world population has forced the exploitation and utilisation of existing hydrocarbon resources. Oil and gas are deemed the most conventional and common sources of energy, formed as a result of degradation of fossils deeply buried in …
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Principals' Perceptions and Self-efficacy in Relation to School Security
Principals in the nation's schools have been tasked with managing crisis incidents that may occur with students and others on their campuses on a daily basis. The purposes of this study were to determine the differences, if any, that existed in Central Florida public school principals' perceptions …
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Wind energy in the Western Cape : examining the role of carbon finance in the development of wind energy projects
… at an interesting juncture with regards to wind energy. There are several projects at implementation or planning stage - large scale, small scale and microwind projects. There are significant problems within the current electricity supply industry (ESI), which is reliant on coal-fired electricity …
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Resource allocation and load-shedding policies based on Markov decision processes for renewable energy generation and storage
In modern power systems, renewable energy has become an increasingly popular form of energy generation as a result of all the rules and regulations that are being implemented towards achieving clean energy worldwide. However, clean energy can have drawbacks in several forms. Wind energy, for …