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 48 for “"district heating"”.
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U.S. geothermal district heating : barriers and enablers
Geothermal district heating experience in the U.S. is reviewed and evaluated to explore the potential impact of utilizing this frequently undervalued renewable energy resource for space and hot water heating. Although the first U.S. geothermal district heating system (GDHS) was constructed in the …
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Urban district heating network delivery: a socio-technical analysis of large-scale district heating network implementation in urban environments
… the implementation of large-scale city-based district heating (DH) networks from a socio-technical perspective with a view to identifying key success factors and effective governing measures that can overcome the main barriers limiting the uptake and delivery of district heating at scale. DH …
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Forecasting demand for district heating using different forecasting methods
… resources. The steam used to heat water for district heating is also used for electricity production. Therefore, the utilization of steam can increase with better forecasts of the district heating system. This thesis compares five different models for such forecasts. First, the …
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Technoeconomic Analysis of Geothermal District Heating in the Boston, MA area.
… technoeconomic analysis of geothermal district heating (GDH) in the Boston, MA area, with a specific focus on the MIT campus. The research begins by reviewing the evolution of district energy systems, highlighting various use cases, technologies, and policy developments. It then defines …
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Time to Start Warming to District Heating: Local Authority Champions of Change
District heating has historically lacked a consistent institutional base in the UK. However, a number of Local Authorities are acknowledging the potential of district heating as a vital enabling infrastructure for low carbon heat. Although the role of dedicated ‘champions’ has been widely …
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Thermoeconomic Diagnosis of anUrban District Heating System based onCogenerative Steam and Gas Turbines
… able to also provide thermal power to an urban district heating network. A mathematical model of the plants, described in the first chapter, has been built in order to simulate their behaviour. Some anomalies have been simulated by varying the values of the characteristic parameters of the …
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Generative Urbanism toward Thermal Synergy: Sustainable urban design for district heating and cooling
… comfort level. Specifically, the synergy between heating and cooling needs in the urban environment provides the chance to circulate heat with low primary energy consumption. This thesis suggests heat recovery as a driving force in generative urban design, based on the echo between the mixed-use …
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Environmental and economic analysis of thermal energy storage for a district heating system in Bolungarvik
… access to geothermal resources for essential heating as well as robust energy infrastructure. Not only must they rely on electricity to meet both their heating and power demand, but these regions also experience frequent outages. The current backup systems supporting the energy demand in the …
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Simulation and Optimization models to unlock the evolution of existing District Heating towards next-generation systems
L'abstract è presente nell'allegato / the abstract is in the attachment
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A contribution to the simplified determination of heat distribution costs in linear and radial district heating networks
District heating networks offer a great opportunity to make a significant contribution to the success of the energy transition, assuming that low-carbon heat supply is achieved. District heating networks have advantages over individual building heat supply systems, such as lower heat generation …
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A Techno-Economic Investigation on Insulating Glass Solar Thermal Flat-Plate Collectors for District Heating Systems in Europe
… of solar thermal collector arrays into district heating networks has emerged as a global trend with the objective of decarbonising heating supply. To accelerate the expansion of this renewable heating technology, it is advantageous to achieve significantly lower heat generation costs …
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The effect upon UK energy supply schedules of the use of combined heat and power with district heating
The widescale use of combined heat and power with district heating will have a significant effect upon the quantities of primary and secondary fuels used in the United Kingdom. A new methodology for investigating the complex technological interactions between supplies and demands for fuels is …
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Modeling and Multi-Objective Optimization of the Helsinki District Heating System and Establishing the Basis for Modeling the Finnish Power Network
… on the modeling and optimization of the Helsinki district heating system and establishing the basis for modeling the Finnish power network. The optimization of the district heating system is conducted for a twenty four hour winter demand period. Partial load behavior of the generators is included …
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A dynamic knowledge graph approach to creating interoperability in smart cities: Selected case studies towards holistic flood impact assessments and district heating operations
… risk and the resource-optimised operation of a district heating network. Specifically, a dynamic knowledge graph approach is investigated to align the representation of data and models using Semantic Web technologies, enabling the connection of siloed data sources and overcoming limited …
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Strategic Roadmapping and Technology Portfolio Selection for Heating Decarbonization in Canada
Heating systems contribute significantly to Canada’s greenhouse gas emissions, accounting for approximately 117 megatons of CO₂ equivalent. demanding urgent decarbonization to meet national climate targets. This thesis employs the Advanced Technology Roadmap Architecture framework, integrating …
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Energy Services in Sweden - Customer Relations towards Increased Sustainability
… monitoring and feedback, and; The selling of district heating to households in de-tached house areas. Improved customer relations in these areas can both increase the energy utilities abilities to compete on the markets and to contri-bute to an increased sustainable development within the …
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Development of a Dynamic Modelling Technique for Sizing Wood Chip Boilers
… these situations to build small and medium size district heating networks to provide buildings with heat. These networks incorporate typically one boiler house that takes care of the heat generation. This boiler house is equipped with one or more suitable boilers that may be oil or gas fired or …
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