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 “"solar thermal energy"”.
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Application of Chemical Looping for Solar Thermal Energy Storage
In the recent years, Thermal Energy Storage (TES) systems have received significant attention because they can offer a low-cost Concentrating Solar Power (CSP) plant. Moreover, TES systems increase the economic viability of CSP plant for dispatchable power production over other renewable energy …
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Optimal operation and design of solar-thermal energy storage systems
… focuses on the optimal operation and design of solar-thermal energy storage systems. First, optimization of time-variable operation to maximize revenue through selling and purchasing electricity to/from the grid is presented for a thermal energy storage system. Time-variable electricity prices …
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Radiative transport in transparent aerogels for solar thermal energy applications
Solar-thermal energy conversion systems hold great promise to meet our diverse energy demand by a renewable source. Converting sunlight into thermal energy requires solar radiation to be absorbed and transformed into heat effectively while minimizing system thermal loss to the ambient environment. …
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Modeling and analysis of hybrid geothermal-solar thermal energy conversion systems
Innovative solar-geothermal hybrid energy conversion systems were developed for low enthalpy geothermal resources augmented with solar energy. The goal is to find cost-effective hybrid power cycles that take advantage of the potential synergies of solar thermal and geothermal resources. One aspect …
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Towards sustainable heterogenous catalysis in molecular solar thermal energy storage (MOST) systems
… on triggering the back-reaction in MOlecular Solar Thermal (MOST) energy storage systems using heterogenous catalysts. The MOST system consists of a pair of organic switchable molecules which can capture solar radiation, can store the energy within its chemical bonds and release the energy …
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The development of a portable vessel for the collection, storage, and utilization of solar thermal energy for household use
… impact our environment. In addition, the energy impoverished spend 25% of their income on household fuels. Solar energy can provide a solution and do so in a culturally appropriate manner. Stored solar thermal energy can provide an option to: cook at any time or place; replace the fuel and …
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Validation of a numerical model for the analysis of thermal-fluid behavior in a solar concentrator vessel
The need for innovation in the renewable energy sector is an ever-growing concern. With national-level disasters in the Gulf of Mexico, the necessity to begin the drive to develop effective and practical alternative energy sources becomes a more pressing concern. The CSPond project is an attempt to …
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Field fabrication of solar-thermal powered stream turbines for generation of mechanical power
Providing adequate energy to developing countries is one of the greatest global technical challenges today. Fabrication is undergoing a revolution that parallels the digitization of computation and communications. Emerging affordable, "desktop" fabrication tools are providing the precision and …
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Solar Power for Deployment in Populated Areas
The thesis presents background on solar thermal energy and addresses the structural challenges associated with the deployment of concentrating solar power fields in urban areas. Two potential structural systems and urban locales of deployment are proposed and investigated to determine whether they …
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Development of Advanced Adsorbent-beds for Storing Thermal Energy Derived from Solar and Waste Heat
… natural resource usage, and minimizing waste. Solar energy has played a vital role in advancing sustainability efforts. This energy can be harnessed as electricity or heat. Emerging technologies, including flat plate and evacuated tube collectors, provide promising pathways for harvesting solar …
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Investigation of new renewable energy-based multigeneration systems for Saudi Arabia
… thesis explores three hybridized, large-scale solar thermal energy multigeneration systems: System 1 combines solar thermal energy with biomass, System 2 with geothermal, and System 3 with a petroleum coke and biomass blend. Each system provides power, heating, desalination, and other …
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Error analysis of motion transmission mechanisms : design of a parabolic solar trough
… pertaining to the design of an innovative solar trough for use in solar thermal energy generation fields. The research was a collaborative effort between Stacy Figueredo from Prof. Alexander Slocum's Precision Engineering Research Group at MIT and a team of students from the 2.752 …
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The synthesis of Combined Heat and Mass Exchange Networks (CHAMENs) with renewables considering environmental impact
… operating cost and emission of pollutants as energy prices continue to increase and more regulations are set by government. To address these concerns, optimisation methods based on heuristics, pinch technology and mathematical programming can be adopted. Since the early 90s, mathematical …
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Modeling, fabrication and optimization of optically transparent - thermally insulating silica aerogels for solar thermal applications
Solar thermal energy conversion has the potential to reduce greenhouse gas emissions via the offset of fossil fuel burning power generation methods. By capturing the suns energy and using it to heat steam as part of a Rankine cycle, electrical energy can be renewably produced. Furthermore, solar …
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A multi-operational, combined PV/Thermal and solar air collector system: application, simulation and performance evaluation
… public awareness of environmental issues, more energy efficient buildings and renewable energy technologies are currently being developed and installed. Many of these renewable energy technologies may be considered as immature in market and technical terms, which has prompted significant levels …
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Solar Augmentation of Process Steam Boilers for Cogeneration
… combined heat and power plant, using an external solar thermal field as the additional heat source was studied. Technical feasibility entailed designing a suitable heat exchanger, which uses hot oil from the solar field to raise the steam conditions from dry saturated to superheated. The solar …
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Design and Synthesis of New Systems for Photoprotection and Solar Energy Storage
… of new synthetic sunscreens and molecular energy storage systems. In particular, an evaluation of their photophysical and photochemical properties and diverse structural modifications to tune them was done. The thesis is divided in different chapters. Firstly, an overview of the history of …
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Investigation of three integrated energy systems with desalination, heat storage, thermochemical cycles and heat upgrade
… study proposes three different novel renewable energy-based multigeneration integrated systems with molten salt heat storage and desalination options where copper-chlorine (Cu-Cl) and magnesium-chlorine (Mg-Cl) thermochemical water-splitting cycles for hydrogen production are used. System 1 …
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Nanofluid-based receivers for high-temperature, high-flux direct solar collectors
Solar power plants with surface receivers have low overall energy conversion efficiencies due to large emissive losses at high temperatures. Alternatively, volumetric receivers promise increased performance because solar radiation can be transferred into a fluid medium, which subsequently reduces …
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Simulating high flux solar radiation and assessing its influence on a sooty flame
Integrating concentrated solar thermal energy into fossil-fuels for the production of power/clean fuels is receiving growing attention as the combination of the two energy sources can provide lower emissions of carbon and other pollutants, lower cost, and continuous supply. Various types of hybrid …
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