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 35 for “"Thermal Energy Storage (TES)"”.
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Multifunctional polymeric foams: preparation, characterization, and environmental aspects
… low density, high mechanical properties, and low thermal conductivity. Moreover, these properties can be tuned to specific applications. In contrast to traditional foams, where porosity is formed during the foaming process, porosity in syntactic foams can be obtained simply by incorporating …
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Thermal Characterization of Graphitic Carbon Foams for Use in Thermal Storage Applications
… foams are currently being studied for use as thermal conductivity enhancers (TCEs) in thermal energy storage (TES) systems. TES systems store energy using the latent heat capacity of phase change materials (PCMs). Due to the low thermal conductivity of most PCMs, TCEs are necessary to evenly …
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Thermochemical energy storage systems: modelling, analysis and design
Thermal energy storage (TES) is an advanced technology for storing thermal energy that can mitigate environmental impacts and facilitate more efficient and clean energy systems. Thermochemical TES is an emerging method with the potential for high energy density storage. Where space is limited, …
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Integrating thermal energy storage and nuclear reactors: A technical and policy study
Combining Thermal Energy Storage (TES) and sodium fast reactors has been previously considered, but only at a conceptual level. This work expands on those concepts and creates a detailed engineering and system design for an integrated nuclear Thermal Energy Storage (nTES) system. The design uses …
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Exploration of the Endothermic and Exothermic Reactions of Calcium Oxide and Magnesium Oxide and Design of a Vessel for a Thermochemical Heat Storage System
<p>A high temperature Thermal Energy Storage (TES) system has been investigated for use in solar thermal power plants or in vehicles to preheat the engine and/or the cabin in cold weather. The idea is to store surplus thermal energy and then release it on demand to heat a working fluid. The stored …
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Reduction of household energy consumption with innovative energy storage in building structure
By reducing the energy requirements for cooling and heating, thermal energy storage (TES) with phase change materials (PCMs) offers a lot of promise to provide thermal comfort in buildings. Because of its latent heat property, phase change material has a high energy density. The building uses for …
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The Role Of Repurposing Coal Plants to Thermal Energy Storage in the Context of India
… installing commercially available, molten-salt thermal energy storage (TES) systems for repurposing existing coal power plants in the Indian context. We combine thermodynamic simulation and an economic optimization model to evaluate design and operations of TES systems for a variety of …
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Crushed rock thermal energy storage & nuclear technology : option space & economic impacts
… at peak production create a demand for flexible energy supply and present an opportunity for energy arbitrage. Nuclear reactors in the United States are inflexible when compared to fossil generators, and batteries may store energy at peak renewable production, albeit at a high capital cost. …
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Encapsulated metal hydride and carbon particles in polymeric matrix- an approach to enhances hydrogen storage properties of metal hydrides
Energy harvested from the sun can achieve the required residential and industrial energy demands. Thermal energy storage (TES) is a potential option for storing low-grade thermal energy for low- and medium-temperature applications, and it can fill the gap between energy supply and energy demand. In …
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Formulation & Thermophysical Analysis of a Beeswax Microemulsion & The Experimental Calculation of its Heat Transfer Coefficient
… of Phase Change Materials (PCM) as suitable Thermal Energy Storage (TES) mediums has garnered greater attention in recent decades. PCMs have the ability to not only store Sensible Heat (SH) within a given temperature range, but also store large amounts of Latent Heat (LH) as they undergo a …
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Modification of Ternary Nitrate Mixture's Thermal Properties
… power system as a heat transfer fluid (HTF) or thermal energy storage (TES) material. The properties that were investigated were latent heat, average specific heat capacity and rate of heat flow. The study reviews the changes during heating and cooling cycles and heat capacity of the sample. A …
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Numerical Design of a 3-Stage Cascaded Thermal Energy Storage System for Solar Application
The analysis of a three-stage cascaded thermal energy storage is presented in this dissertation. Cascaded thermal energy storage systems has many advantages over conventional thermal energy storages, majorly it allows for maintaining of a nigh-constant temperature between the HTF and PCM during the …
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Risk-modeling tools for designing resilient micro energy grids
Micro energy grid (MEG) is widely used to meet the combined electricity, heating, cooling and natural gas demands for numerous customers’ types. Design of MEGs were extensively introduced in numerous articles, however safety analysis methods for MEG design are not existing so far. This study …
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Multi-objective inversion-based control of building integrated energy systems
Buildings are a key target for energy efficiency measures and the integration of renewable technologies. However, a high penetration of intermittent renewable energy in the electrical grid and in the buildings themselves will result in a reduction of the grid's ability to absorb excess generation …
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Microencapsulated phase change materials for thermal energy storage: development, evaluation, and application
… lately for potential use in heat transfer and thermal energy storage (TES) applications due to their high energy storage density. The major obstacle limiting more widespread application of PCMs is containment of the liquid phase to prevent leakage and migration. To eliminate this problem the …
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Performance and Cost Analysis of a Structured Concrete Thermocline Thermal Energy Storage System
<p>Increasing global energy demands and diminishing fossil fuel resources have raised increased interest in harvesting renewable energy resources. Solar energy is a promising candidate, as sufficient irradiance is incident to the Earth to supply the energy demands of all of its inhabitants. At the …
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Phase Diagram Determination of (2-Amino-2-Methyl-1, 3-Propanediol) AMPL-TRMP (Trimethylolpropane) Binary System
Organic "Plastic Crystal" Thermal Energy Storage (TES) Materials are characterized by unusually large entropies of solid-solid transition compared to their entropies of fusion. In this research program, we investigate the thermal behavior of a binary AMPL-TRMP system and develop a …
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Investigation of nanoparticles enriched phase change materials for improved thermal performance of energy storage applications
… into phase change materials (PCMs) to improve thermal energy storage (TES) performance across various applications. By leveraging nanoparticles, the thermal conductivity and heat transfer characteristics of PCMs are improved, enabling faster charging and discharging cycles, reducing thermal …
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Integrating fluidized bed heat exchangers and particle thermal energy storage with sCO₂ recompression Brayton cycles for concentrating solar power
… particles provide a cost-effective solution for thermal energy storage (TES) in future concentrating solar power (CSP) plants that implement supercritical carbon dioxide (sCO2) cycles at firing temperatures above 700°C. However, the design of effective particle-sCO2 HXs (HX) remains a challenge. …
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Modelling, design and analysis of innovative thermal energy storage systems using PCM for industrial processes, heat and power generation
… is framed on the study and the analysis of thermal energy storage (TES) systems based on phase change materials (PCM) to be used as a back-up for intermediate temperature applications (up to 250 °C). The work is divided in two part: the first part presents the development of numerical models …
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