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 52 for “"use phase"”.
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Use phase performances of photocatalytic cements
… Portland Cement (OPC) was compared. Finally, a use phase Life Cycle Assessment (LCA) was performed for concrete overlay made of either gray or white cement with or without titanium dioxide (TiO2) considering vehicular pollutant removal, Urban Heat Island (UHI) effect, and building energy …
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Life Cycle Assessment of a Fiberglass House in Iceland
Buildings are a major contributor to greenhouse gas (GHG) emissions, accounting for around 38% of global emissions. In previous life cycle assessment (LCA) studies, the use phase was associated with the highest lifetime emissions from buildings, but more recent studies show the relative importance …
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Remanufacturing and energy savings
… is remanufacturing, which is a process whereby used products having reached their end-of-life, are restored back to useful service-life. Remanufacturing utilizes the energy and embedded value retained in a product upon reaching end-of-life. Remanufacturing can close the loop between disposal and …
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The effect of carbonation after demolition on the life cycle assessment of pavements
… studied with respect to CO₂ emissions in the use phase of concrete as well as after the concrete is demolished. However, only a few have considered the effects of CO₂ uptake in the carbonation process during the use phase, and even fewer have studied the effects of carbonation after …
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Chemical Management Services from a Product Service System perspective: Experiences of fluid management services from Volvo Group metalworking plants
… outcomes of FMS as compared to traditional, in-house, fluid management. Fluid management services, or as it is often called chemical management services (CMS), mean that the suppliers of chemicals are also involved in managing and maintaining the fluids in the use phase. Usually one supplier is …
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Evaluation of environmental foot printing techniques
… impact data. The current LCA standard is to use a commercial software package, such as GaBi or SimaPro, but these tools require significant workforce resources. Often the majority of the time spent completing the assessment is focused on areas that have a minimal contribution to the overall …
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Sensing Rhythm: Synchronizing Auditory Feedback and Movement
… people to entrain their movements with a rhythm. Phase denotes the progression through a movement and thus tracking phase tracks progression through a movement. We show how to track phase using sensors and develop a novel visual synchronization system that works with RGB-depth cameras. We use …
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Ökonomische und ökologische Effekte der Nutzung des Werkstoffs Aluminium : ein Beitrag zur Berücksichtigung der Nutzungsphase in der modellgestützten Stoffstromanalyse
… is a practical lightweight material and has been used for many years in vehicle manufacture. The objective of lightweight construction in vehicles is the reduction of vehicle mass, resulting in savings of petrol and energy and a decrease in energy-related emissions during the use phase. …
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Analysis of energy use and carbon emissions from automobile manufacturing
In this thesis, we study the energy use and emissions arising from automobile manufacturing. The automobile manufacturing sector is the 11th largest industrial sector globally in terms of energy use and emissions. The IPCC has set targets for reduction in emissions so that the average concentration …
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Applying Pavement Life Cycle Assessment Results to Enhance Sustainable Pavement Management Decision Making
… and fuel consumption. These models were used, along with other tools to evaluate the impact of including the use phase of a pavement into pavement lifecycle assessments. A detailed project level lifecycle assessment was conducted, and it was found that the vehicles on the pavement during …
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Birefringent single-arm fiber optic enthalpimeter for catalytic reaction monitoring
… of interest. Fiberoptic interferometers, which use phase phenomena associated with propagating light, are extremely sensitive to heat. This research has focused on a special "birefringent" optical fiber. Two channels of information are generated in this single-fiber interferometer which …
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Lovable sustainability : from residential solar PV systems to eco-feedback designs
… paid to products' environmental impact in the use phase and market adoption of sustainable products, which are also important components of sustainability and are heavily influenced by how users perceive products and how they use them. This points to an opportunity to apply user-centered design …
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A comprehensive environmental and economic sustainability assessment of roadway drainage systems
… Results showed that drainage technologies that use concrete as a construction material (basins, culverts, storm sewers, and pipe underdrains) consistently had significantly larger environmental impacts than drainage components that did not use concrete (grass swales and bioswales). While the …
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Frequency synthesis using phase-controlled oscillator techniques
The behavior of the phase-controlled oscillator has been the subject of extensive analysis for many years. However, the vast majority of the literature assumes that the phase comparator, or error detector, of the system produces an output proportional to the sine of the phase difference. In recent …
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Designer-User Validation of a Method for Predicting Cognitive Interventions for Sustainable Product Design
… often limited by a lack of information about the use phase of a product. To aid this gap by encouraging sustainable user behavior from the early brainstorming and prototype phases of product development, principles of environmental psychology and sustainable product design can be linked through …
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Life cycle assessment of concrete pavements : impacts and opportunities
… change. The principal methodology that is used is life cycle assessment (LCA), which comprehensively includes all five primary phases of the life cycle: materials extraction and production, pavement construction, pavement rehabilitation, the use phase, and end-of-life recycling and …
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Real-time 3-d localization using radar and passive surface acoustic wave transponders
… rates. Multiple RADAR measurement stations use phase-encoded chirps to selectively track individual transponders by triangulation of range and/or angle measurements. Nanofabrication processes are utilized to fabricate the passive surface acoustic wave transponders used in this thesis. These …
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The Effects of Handover Information Quality on Commercial Building Asset Management
… gaps remain in understanding the underlying causes of information deterioration. This research, therefore, aims to empirically investigate the effects of building handover information quality on commercial building asset management, specifically during the use phase of commercial buildings. The …
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Characterizing Building Digital Twins for Facilities Management
… While DTs include all life cycle phases, ultimately their goal is optimization of operations during the use phase. Of the building life cycle phases, building facilities management (FM) is responsible for considerable costs and energy consumption and has potential for improvement …
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Effects of alignment on CO2 emissions from the construction and use phases of highway infrastructure
… the planning, design, construction, operation, use and decommissioning phases. For a new 23km motorway project in the UK, when considering the construction and use phases, the C02 emissions from vehicles using the road comprised 91% over a 40 year period. With the majority of C02 resulting from …
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