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 413 for “"Low Carbon"”.
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European and German low-carbon energy transition
… Part I of this dissertation focuses on decarbonization pathways and 100% renewable energy systems in Europe. Numerous energy system models are being used, raising the need to adequately assess their results if policy and decision makers should take well-informed decisions. The first …
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Nuclear Energy and the Low Carbon Transition
… role of nuclear energy in the transition to a low carbon economy in the United Kingdom. Theories of sustainable development, including ecological modernisation, are used to frame its findings and emerging geographies of nuclear new build are explored. Analysis of policy shows that recent …
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System-level design of low-carbon structures
… contributions to the system-level design of low-carbon structures. First, a literature-supported network of strategies available to reduce emissions during early-stage structural design is established and evaluated on the bases of literature availability, impact, implementability, and …
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Accelerated optimisation methods for low-carbon building design
… optimisation using Kriging surrogate models on low-carbon building design problems. Their performance is compared with established genetic algorithms operating without a surrogate on a range of different types of building-design problems. The advantages and disadvantages of a Kriging approach, …
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Developing Low Carbon Supply Networks: Influence, Measurement, and Improvement
… dilemma between fast industrial development and carbon reduction makes firms in developing nations reluctant to take serious commitment and actions in CO2 emission reduction in their global manufacturing practices. From a theoretical perspective, low-carbon supply networks research is also still …
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Reshaping concrete: Empowering development through low-carbon structural design
… construction accounts for 20-30% of LEDC carbon emissions. This dissertation addresses these challenges with a set of strategies for the design and analysis of materially efficient concrete elements that can reduce the economic and environmental costs of urban construction. Developed to …
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Low-carbon transformation of the German and European electricity systems
This dissertation addresses the low-carbon transformation of the German and European electricity sectors. It applies techno-economic electricity sector models to research questions on market design and infrastructure investment. The first part consists of three chapters on Germany. It starts with a …
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Reading the future : constructing low-carbon imaginaries in urban institutions
… to play a central role in transitions towards a low carbon economy and society (Coenen, Benneworth & Truffer, 2012; Goddard & Vallance, 2013). However, the nature of institutions both enables and militates against sociotechnical change, constraining the futures that are imaginable and achievable. …
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The fatigue of welded butt joints in low carbon steel
… on specimens cut from Jin. thick plate of medium carbon steel, over a range of alternating and mean stress levels. The welds were produced using manual metal arc, gas metal arc and electron beam welding processes and manufactured in industry by accepted production methods. A non destructive …
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Multi-component boron coatings on low carbon steel AISI 1018
… To study multi-component boron coatings on low carbon steel AISI 1018, the simultaneous powder pack method of boronizing and metalizing was selected to perform the coatings. One B-Fe system and eight boron-metal (B-Me-Fe) systems from transition metals group IVB (Ti, Zr, Hf), group VB (Nb, …
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Quantitative Modeling for Guiding the Transition to Low-Carbon Logistics
… quantitative models to guide the transition to low-carbon logistics by adopting new vehicle technologies. Freight and logistics systems are key enablers of global economic growth, competitiveness, and access to markets and services. However, freight mobility is a significant and growing source …
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District heating with low-carbon heat sources and low distribution temperatures
… improving their efficiency and integrating more low-carbon heat sources for heat supply. The potential impact of low temperature distribution is also assessed. The heat sources considered in the scope of the presented research are heat pumps (HPs), solar collectors (SCs) and nuclear district …
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Green jobs in British Columbia : transitioning toward a low-carbon economy
In terms of sustainability, climate change has defined the last decade, underlining the need for a rigorous assessment of the intersection between economic and social development and environmental sustainability. This project's objectives were to define "green job" and to identify existing …
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The strengthening and "softening" of low-carbon structural steels by silicon
… adding silicon, up to 1.03 wt% in five grades of low carbon structural steel was studied. The reduced sensitivity of the lower yield stress, σy, at sub-zero test temperatures, otherwise called "softening", of these steels with reduced grain sizes, brought about by the silicon additions was also …
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Developing Low Carbon Behaviour in the Workplace Utilising Psychology with Technology
… tool could lead to increased workplace low carbon behaviour (LCB), and if this behaviour can impact upon consumption when energy-saving technology was in place with differing levels of automation. A questionnaire was developed assessing the TPB constructs, the analysis of which formed …
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Financial incentives for low-carbon transition: from citizens to professional investors
Decarbonisation of the global economy requires an energy transition of exceptional scope, depth and speed, and a doubling of the current level of investment in low-carbon technologies. However, the risk perception of individual market participants—a key determinant of the pace at which these …
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The Role of Natural Gas in Future Low-carbon Energy Systems
… scrutiny over the role of fossil-fuels in a low-carbon energy future. This thesis evaluates the role of natural gas-fired power plants (NG) in future electrical grids using an advanced, multi-period capacity expansion modeling framework with perfect foresight. We model cost-optimal grid …
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Comparison of machining and tensile test data of low carbon steel.
Thesis: B.S., Massachusetts Institute of Technology, Department of Mechanical Engineering, 1945
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Low Carbon n-GaN Drift Layers for Vertical Power Electronic Devices
… reverse breakdown voltages of 5 kV or higher. Carbon serves as the primary compensating dopant in the growth process, incorporated into GaN during metalorganic chemical vapor deposition (MOCVD) growth. The level of carbon incorporation depends on several factors, including growth rate, ammonia …
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