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 66 for “"Energy models"”.
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Energy Models for Urban-Integrated Agriculture
… This thesis investigates methods and models that can facilitate new and bespoke modes of urban and building integrated agriculture in cities. To this end, the thesis presents digital twins as a suitable framework that encompasses real time monitoring, data curation, and bespoke …
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Total-energy models for phase-stability studies in multicomponent oxides
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1997.
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Toward Transformer-based Large Energy Models for Smart Energy Management
Buildings contribute significantly to global energy demand and emissions, highlighting the need for precise energy forecasting for effective management. Existing research tends to focus on specific target problems, such as individual buildings or small groups of buildings, leading to current …
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Power, Performance and Energy Models and Systems for Emergent Architectures
… a knowledgeable user to opportunistically save energy and minimize performance impact. While the qualitative effects are often good and the aggressiveness of a controller can be tuned to try to save more or less energy, the quantitative effects of tuning and setting opportunistic policies on …
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The physics of multilayer topological insulator heterostructures using low-energy models
… This is done by extending a standard low-energy 3D TI Hamiltonian and varying its associated material parameters across the simulation domain. New results arising from the position-dependent TI interface model are found. For the first time, this method is incorporated into a …
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Deriving archetype templates for urban building energy models based on measured monthly energy use
Interest in urban energy modeling has grown among planners and policy-makers as more and more municipalities set targets for reduction of greenhouse gas emissions. Urban-scale building energy models can help evaluate the efficiency of proposed district designs, consequences of building retrofit …
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Spatial and temporal disaggregation of whole system energy models through exemplar local multi-carrier networks
Different futures of domestic energy use - in particular, considering options in heat provision - are simulated and analysed within characteristic UK local energy systems (urban, suburban, rural) in order to determine the Delivered Cost of Energy, Emissions Intensity, and Abatement Cost for …
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Developing an integrated energy plan for South Africa using the energy models LEAP and MARKAL
… committed itself to developing an Integrated Energy Plan. The Energy White Paper on Policy since back in 1995 established IEP as being one of the most important tasks for the Department of Minerals and Energy. In the context of today's climate, with South Africa hosting the World Summit on …
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Auto-calibrated urban building energy models as continuous planning tools for greenhouse gas emissions management
… gas emissions associated with their buildings' energy use, owners frequently rely on building energy models that are calibrated to existing conditions for evaluation of potential energy efficiency retrofits. Development of such calibrated models requires the estimation of a series of building …
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Are Particle-Based Methods the Future of Sampling in Joint Energy Models? A Deep Dive into SVGD and SGLD
… Variational Gradient Descent (SVGD) with Joint Energy Models (JEMs), comparing its performance to Stochastic Gradient Langevin Dynamics (SGLD). We incorporated a generative loss term with an entropy component to enhance diversity and a smoothing factor to mitigate numerical instability issues …
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Evaluation of energy demand and energy use of an existing single family building, with special emphasis on energy efficiency of heat exchanger in ventilation
Energy modelling of houses and other buildings helps the designers to determine the energy performance of the building at an early stage. It furthermore gives the advantage of altering the building’s design early in the planning phase to ensure that it fulfils requirements of increasing energy …
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Determination of Realistic Effective Models for Weyl Semimetals of the TaAs Family
… and resource-intensive.<br /> Effective low-energy models offer the possibility of simplifying and accelerating the calculations. For example, they can serve as a starting point for the derivation of tight-binding models in which only hopping processes between neighboring atoms are taken into …
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Single-Fluid Approach to Modeling Dark Matter and Dark Energy
… overwhelming evidence for the ex istence of dark energy, a mysterious and dominant component responsible for the accelerated expan sion of the universe. The nature of dark energy remains one of the most intriguing puzzles in modern cosmology. This dissertation presents a comprehensive …
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An Expert-based Approach for Grid Peak Demand Curtailment using HVAC Thermostat Setpoint Interventions in Commercial Buildings
… an outline for the assessment of transactive energy opportunities for commercial buildings in distribution system operations and lays the foundation for a seamless building-to-grid integration framework. The contribution of this dissertation is fourfold – (a) an efficient method of developing …
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Simulations of dark energy cosmologies
… growth of cosmic structure in different dark energy models, using ultra-large volume N-body simulations. We measure key observables such as the growth of large scale structure, the halo mass function and baryonic acoustic oscillations. We study the power spectrum in redshift space in …
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Procedures for automated building energy model production for urban and early design
… research is meant to facilitate a wider use of energy simulation in urban and schematic building design. The major contribution is the development and validation of software algorithms that can manage, automatically produce and execute building energy models for urban and schematic design. …
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Estimating the rate of technical change in the oil and gas industry using data from private and national companies
… and shape today's decisions. Most long-run energy models in use today are unable to quantify properly a factor for supply growth due to technical change - a component that has played a significant role in the provision of access to newer streams of crude oil and natural gas - because the …
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Accelerating Urban Building Energy Modeling
… goals. In the building sector, urban building energy models (UBEMs) have become a valuable tool for jurisdictions to develop evidence-based retrofitting policies, but dynamically exploring solutions is hampered by the computational expense and organizational overhead of physics-based building …
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Instructional Modules Demonstrating Building Energy Analysis Using a Building Information Model
… not been fully realized. Traditionally, building energy models have been created separately from architectural building information models (BIMs), and energy analyses have relied on a single analysis tool. By leveraging existing data from the BIM, energy models can be generated more quickly and …
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