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Dissertations / Theses on the topic 'Energy solar'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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1

Золотова, Світлана Григорівна, Светлана Григорьевна Золотова, Svitlana Hryhorivna Zolotova, and T. V. Konoplenko. "Energy producing: solar energy." Thesis, Видавництво СумДУ, 2011. http://essuir.sumdu.edu.ua/handle/123456789/13440.

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Bafana, Ramzi, and Zain Zulfiqar. "Solar Energy." Thesis, Blekinge Tekniska Högskola, Institutionen för tillämpad signalbehandling, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-2079.

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This thesis is about Photovoltaic (PV) cells and its stresses in various directions by calculating the power generated using solar cells under different conditions to improve its efficiency. Our research studies found that using multi-junction cells with larger substrates can increase the efficiency to some extent which in practice is limited to 43 percent. The experiment was conducted using ten solar cells each with an area of 20.9〖cm〗 ^2, where each cell gives 0.5 V and 0.4 A and a 1.25 Ω resistor was used. The cells were connected in series. Once, the PV cells were fixed horizontally and th

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Yeremenko, А. "Solar energy is an energy alternative source." Thesis, Sumy State University, 2017. http://essuir.sumdu.edu.ua/handle/123456789/62568.

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Our relationship with the environment is bilateral. If we want to live in clear world that takes care about us we must take care about the environment. It is evident that healthy population and high quality of life is possible only in healthy environment.

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4

Maples, David William. "The Solar Energy Tracker." Thesis, University of Canterbury. Electrical and Computer Engineering, 2008. http://hdl.handle.net/10092/4420.

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Reference is increasingly being made towards the need for the world to find new and renewable forms of energy, especially for electric power generation, but also for space heating and the heating of water. Solar energy is one of the cheapest forms of renewable energy available and is so far one of the most underutilised resources. One contribution makes reference to the way forward as being ‘using concentrating solar power which uses parabolic mirrors to focus the solar heat (energy) and generate steam to drive electric generators’ as is currently happening in the utility power marketplace in

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5

Parand, Foroutan. "Solar energy utilisation and evacuated tubular solar collectors." Thesis, Brunel University, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.292989.

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6

Bortolini, Marco. "Design, control and management of renewable energy plants and technologies." Doctoral thesis, Università degli studi di Padova, 2013. http://hdl.handle.net/11577/3422587.

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Nowadays, and even more in the next decades, the availability and easy-access to energy sources represent a crucial asset for the world development and the progress of people and nations. At the same time, the depletion of natural resources, together with the increase of the anthropic activity impact on the Earth ecosystem and climate, force communities and institutions, at all levels, to discuss and actuate different approaches to achieve the social and economic growth, based on the so-called sustainable development pattern. In such a scenario, renewable energy sources, i.e. solar, wind, hydr

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7

Varella, Fabiana Karla de Oliveira Martins. "Estimativa do indice de nacionalização dos sistemas fotovoltaicos no Brasil." [s.n.], 2009. http://repositorio.unicamp.br/jspui/handle/REPOSIP/263003.

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Orientadores: Carla Kazue Nakao Cavaliero, Ennio Peres da Silva<br>Tese (doutorado) -Universidade Estadual de Campinas, Faculdade de Engenharia Mecanica<br>Made available in DSpace on 2018-08-12T18:30:16Z (GMT). No. of bitstreams: 1 Varella_FabianaKarladeOliveiraMartins_D.pdf: 2814812 bytes, checksum: 2b3d8b0306df42b90c009281f0150f0d (MD5) Previous issue date: 2009<br>Resumo: A Lei nº 10.438/02 estabeleceu o Programa de Incentivo às Fontes Alternativas de Energia Elétrica - PROINFA, único programa nacional a estimular as fontes renováveis alternativas, com o intuito de aumentar a participaçã

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Mattos, Sérgio Ricardo de [UNESP]. "Análise do rendimento térmico do aquecedor solar parabólico cilíndrico." Universidade Estadual Paulista (UNESP), 2011. http://hdl.handle.net/11449/99302.

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Made available in DSpace on 2014-06-11T19:30:09Z (GMT). No. of bitstreams: 0 Previous issue date: 2011-02-09Bitstream added on 2014-06-13T20:39:45Z : No. of bitstreams: 1 mattos_sr_me_guara.pdf: 1275419 bytes, checksum: 6a6b8796ddc4c875ee2155aa72412e97 (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>Este aquecedor solar foi construído em uma estrutura metálica, que tem um revestimento de polietileno reflexivo parabólico cilíndrico, onde no foco da parábola passa uma serpentina com sete tubos em cobre de 9,5 mm e o projeto foi desenvolvido para obter temperatur

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Yang, Sun. "Solar Energy Control System Design." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-141489.

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This thesis covers design, simulation and implementation of a solar energy control system for an on grid energy storage device. The design covers several control methods such as energy balance control, operating mode switching and data exchange. A genetic algorithm was designed to optimize the control system parameters design, and the algorithm's simulation and real time operating system implementation showed comparable results. The control system was implemented to connect a power supply to the grid. The power supply simulated a solar panel and connected to an electrical grid via Energy Hub e

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10

Hofker, Gerrit. "Desiccant cooling with solar energy." Thesis, De Montfort University, 2001. http://hdl.handle.net/2086/4274.

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Van, Zyl GHC. "Solar energy for domestic use." Thesis, Cape Technikon, 2000. http://hdl.handle.net/20.500.11838/884.

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Thesis (MTech(Chemical engineering))--Cape Technikon, Cape Town, 2000<br>The demand for pool heating has increased dramatically over the last few years. This is ascribed to the idea that a swimming pool is expensive and can only be used for four months of the year. Therefore, a need for a relatively inexpensive solar heating system, capable of heating pool water to comfortable temperatures for an extended period, does exist. The least expensive solar heating system for swimming pool heating on the market in South Africa is in the order of R 11000. This is a fixed system, usually mounted

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12

Іщенко, Наталія Володимирівна, Наталия Владимировна Ищенко, and Nataliia Volodymyrivna Ishchenko. "Solar energy in sustainable future." Thesis, Вид-во СумДУ, 2007. http://essuir.sumdu.edu.ua/handle/123456789/17432.

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13

Sabaawi, Ahmed Mohammed Ahmed. "Nanoantennas for solar energy harvesting." Thesis, University of Newcastle upon Tyne, 2015. http://hdl.handle.net/10443/2921.

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Recent years have witnessed an enormous interest in developing solar cells by utilising different materials to increase their efficiency. This interest was motivated by the rapid world demand on cheap and clean energy sources, where the main source of world’s power is the fossil fuels. The current photovoltaics technology can not meet the solar power market due to the very low efficiency provided. The philosophy of this thesis is to find an efficient alternative by designing an efficient nanoantenna for receiving the solar radiation and coupling it to an integrated rectifier for AC to DC conve

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Griffitts, Fletcher G. "Fullerenes in Solar Energy Cells." Digital Commons @ East Tennessee State University, 2017. https://dc.etsu.edu/honors/394.

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This project involves controlling and characterizing the morphology of the active layer in a special type of organic photovoltaics (OPVs), consisting of porphyrin-fullerene composites, with emphasis on electron exchange interactions between the two components. The Vienna Ab Initio Simulation Package (VASP) is applied to model a variety of donor-acceptor complexes containing fullerene and porphyrin in terms of their stabilities as well as their geometric, electronic, and charge transfer features. The goal is to identify supramolecular chain structures with highest occupied molecular orbitals (H

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15

Ortíz, Elvis Richard Tello. "Sistemas fotovoltaicos e eólicos: metodologia para análise da complementaridade espacial-temporal com aplicação no dimensionamento e análise de risco financeiro." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/3/3143/tde-29122014-175607/.

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Este trabalho propõe caracterizar a complementaridade espacial-temporal entre energia eólica e solar fotovoltaica entre regiões do Brasil e estudar, no âmbito da comercialização de energia elétrica no Setor Elétrico Brasileiro - SEB, se um portfólio formado por estas fontes trazem vantagens econômicas relevantes para o investidor. Para atender a estes objetivos, foram estudados métodos para tratamento dos dados como a correção da irradiância solar, cálculo da energia gerada pelas fontes estudadas, o ambiente de contratação de energia elétrica no Brasil, métodos de otimização e modelos de análi

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16

Santos, Romi Stella dos [UNESP]. "Conservação de energia: uma ferramenta para analisar o aproveitamento de energia solar em instalações residenciais." Universidade Estadual Paulista (UNESP), 2008. http://hdl.handle.net/11449/99283.

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Made available in DSpace on 2014-06-11T19:29:53Z (GMT). No. of bitstreams: 0 Previous issue date: 2008-07-07Bitstream added on 2014-06-13T18:47:28Z : No. of bitstreams: 1 santos_rs_me_guara.pdf: 3310410 bytes, checksum: dbdc747497f7d936a9a108f561ec367f (MD5)<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>No Brasil, devido ao forte crescimento da demanda de energia elétrica nas últimas décadas e com a necessidade de atender a esta procura, torna-se indispensável a inclusão no sistema elétrico br

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Freitas, Flavio Santos 1982. "Eletrodos de materiais inorgânicos modificados para células solares híbridas." [s.n.], 2013. http://repositorio.unicamp.br/jspui/handle/REPOSIP/248430.

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Orientador: Ana Flávia Nogueira<br>Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Química<br>Made available in DSpace on 2018-08-23T23:53:53Z (GMT). No. of bitstreams: 1 Freitas_FlavioSantos_D.pdf: 16885434 bytes, checksum: 48b960051e69118d4e3bbf7bc096a552 (MD5) Previous issue date: 2013<br>Resumo: Este trabalho apresenta a síntese de moléculas carboxiladas e sua utilização como agentes compatibilizantes em sistemas híbridos inorgânico/orgânico. A caracterização e aplicação das interfaces destes sistemas híbridos de dióxido de titânio com poli(3-hexiltiofeno) (TiO2/P3HT)

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18

Sholin, Veronica. "Luminescent solar concentrators and all-inorganic nanoparticle solar cells for solar energy harvesting /." Diss., Digital Dissertations Database. Restricted to UC campuses, 2008. http://uclibs.org/PID/11984.

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19

Mahoney, Luther. "Solar hydrogen and solar electricity using mesoporous materials." Thesis, University of South Dakota, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=3723927.

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<p> The development of cost-effective materials for effective utilization of solar energy is a major challenge for solving the energy problems that face the world. This thesis work relates to the development of mesoporous materials for solar energy applications in the areas of photocatalytic water splitting and the generation of electricity. Mesoporous materials were employed throughout the studies because of their favorable physico-chemical properties such as high surface areas and large porosities. The first project was related to the use of a cubic periodic mesoporous material, MCM-48. The

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Mattos, Sérgio Ricardo de. "Análise do rendimento térmico do aquecedor solar parabólico cilíndrico /." Guaratinguetá : [s.n.], 2011. http://hdl.handle.net/11449/99302.

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Orientador: Teófilo Miguel de Souza<br>Banca: Osiris Canciglieri Junior<br>Banca: Rubens Alves Dias<br>Resumo: Este aquecedor solar foi construído em uma estrutura metálica, que tem um revestimento de polietileno reflexivo parabólico cilíndrico, onde no foco da parábola passa uma serpentina com sete tubos em cobre de 9,5 mm e o projeto foi desenvolvido para obter temperaturas mais elevadas do que os aquecedores planos. O objetivo desta dissertação foi atingir temperaturas mais altas na fase líquida. As temperaturas alcançadas foram obtidas utilizando uma densidade de potência solar que variou

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21

Wigginton, James Michael. "Optical analysis of cavity solar energy receivers." Thesis, Georgia Institute of Technology, 1992. http://hdl.handle.net/1853/17348.

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Canto, Mario Afonso Ribeiro do [UNESP]. "Projeto e desenvolvimento de um sistema automatizado para monitoramento de fontes alternativas de energia." Universidade Estadual Paulista (UNESP), 2007. http://hdl.handle.net/11449/99291.

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Made available in DSpace on 2014-06-11T19:30:09Z (GMT). No. of bitstreams: 0 Previous issue date: 2007-03Bitstream added on 2014-06-13T20:20:25Z : No. of bitstreams: 1 canto_mar_me_guara.pdf: 699979 bytes, checksum: f7eca1e74cb8beebf010d5db1aceeac4 (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>A utilização de fontes alternativas e renováveis de energia apresenta-se como um recurso energético com um mínimo de impacto ambiental. Com o crescimento do uso destes recursos, torna-se importante o conhecimento dos mesmos do comportamento em relação às condições ambi

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23

Beck, Madeleine, and Johannes Verweyen. "Utilization of Solar Energy in Liljeholmskajen." Thesis, KTH, Energiteknik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-99036.

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For the sustainable development of society it is crucial to find a way to decrease dependency on fossil fuels. Buildings today are big energy-consumers making this sector an important one to examine and develop further. This thesis investigates the possibility of using solar energy in Liljeholmskajen, a district in Stockholm, by considering technical, economic and environment aspects of its implementation.This report analyses different technologies for solar energy, with its focus on thermal collectors, thin film panels and monocrystalline cells. The analysis covers factors such as the efficie

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Giddings, S. L. "Heterogeneous reactions in solar energy conversion." Thesis, Swansea University, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.637056.

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Photochemical systems for the splitting of water into hydrogen and oxygen represent an attractive route for the conversion of solar energy into a chemical fuel. However, the success of such systems depends on the identification of suitable redox catalysts for the oxidation and reduction processes. While colloidal platinum has proved to be an efficient catalyst for the reduction of water, the development of stable and effective catalysts for water oxidation has been less successful. The work described in this thesis involves the study of ruthenium dioxide hydrate (RuO<SUB>2</SUB>.xH<SUB>2</SUB>

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Bengtsson, Tobias, and Håkan Hult. "Combining Solar Energy and UPS Systems." Thesis, KTH, Tillämpad termodynamik och kylteknik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-148042.

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Solar Power and Uninterruptible Power Supply (UPS) are two technologies that are growing rapidly. The demand for solar energy is mainly driven by the trend towards cheaper solar cells, making it economically profitable for a larger range of applications. However, solar power has yet to reach grid parity in many geographical areas, which makes ways to reduce the cost of solar power systems important. This thesis investigates the possibility and potential economic synergies of combining solar power with UPS systems, which have been previously researched only from a purely technical point of view

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Hassan, Ibrahim. "Solar energy conversion by photoelectrochemical processes." Thesis, University of Bath, 2011. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.542078.

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Liang, Xusheng, Elvis Tanyi, and Xin Zou. "Charging electric cars from solar energy." Thesis, Blekinge Tekniska Högskola, Institutionen för tillämpad signalbehandling, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-11919.

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Before vehicles were heavily relied on coal, fossil fuels and wind for power. Now, they are rapidly being replaced by electric vehicles and or plug-in hybrid electric cars. But these electric cars are still faced with the problem of energy availability because they rely on energy from biomass, hydro power and wind turbines for power generation. The abundance of solar radiation and its use as solar energy as a power source in driving these rapidly increasing electric cars is not only an important decision but also a necessary condition for eradication of environmental pollution. This study pre

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Ferrer, Martínez Claudia. "Machine Learning for Solar Energy Prediction." Thesis, Högskolan i Gävle, Avdelningen för elektronik, matematik och naturvetenskap, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-27423.

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This thesis consists of the study of different Machine Learning models used to predict solar power data in photovoltaic plants. The process of implement a model of Machine Learning will be reviewed step by step: to collect the data, to pre-process the data in order to make it able to use as input for the model, to divide the data into training data and testing data, to train the Machine Learning algorithm with the training data, to evaluate the algorithm with the testing data, and to make the necessary changes to achieve the best results. The thesis will start with a brief introduction to sola

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Bokfors, Sofie. "Awareness on Solar Energy in Kenya." Thesis, KTH, Energiteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-245193.

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Solar energy coupled with energy efficiency awareness can be an important step to achieving the final goal of having a sustainable environment in the country. Together with a good energy policy including regulations, this goal can be achieved as it will help consumers make more rational decisions when it comes to new technology. A key problem identified in this work is the lack of awareness and strict energy policies. The current funds put in place are not mobile and have not got to a large number of people. The government’s regulations on the other hand are not strict. This report aims to imp

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Bokfors, Sofie. "Awareness on Solar Energy in Kenya." Thesis, KTH, Energiteknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-250019.

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Solar energy coupled with energy efficiency awareness can be an important step to achieving thefinal goal of having a sustainable environment in the country. Together with a good energy policyincluding regulations, this goal can be achieved as it will help consumers make more rationaldecisions when it comes to new technology. A key problem identified in this work is the lack ofawareness and strict energy policies. The current funds put in place are not mobile and have not got to a large number of people. Thegovernment’s regulations on the other hand are not strict. This report aims to improve

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Borg, Isak, August Dixelius, and David Östlund. "Interactive Visualization of Solar Energy Data." Thesis, Uppsala universitet, Institutionen för informationsteknologi, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-385793.

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Sweden has one of the lowest solar energy productions in Europe even though the weather conditions are comparable to Europe’s largest solar energy producer. Although the majority of the Swedish population is in favour of spending more money on services that can limit climate change, the growth of installed solar cells is slower than that of other countries with similar climate in Europe. To inspire people to install solar panels we created an interactive map with information regarding the solar parks in Uppland, a county in Sweden. Our goal was that this system would help spread awareness of t

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SCILLETTA, CLAUDIA. "Carbon nanotubes for solar energy conversion." Doctoral thesis, Università degli Studi di Roma "Tor Vergata", 2009. http://hdl.handle.net/2108/1039.

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E’ stato dimostrato che la nanotecnologia ed i nanomateriali possono offrire valide soluzioni per migliorare l’efficienza di conversione sfruttando gli effetti indotti a scala mesoscopica. In questo ambito di ricerche, l’attività sui nano tubi di carbonio CNT come elementi costituenti di dispositivi di conversione dell’energia solare è in grande sviluppo. Il lavoro presentato in questa tesi è stato dedicato all’investigazione dei meccanismi fisici alla base della foto-risposta dei nanotubi di carbonio a multi parete (MWCNT) quando vengono utilizzati in celle elettrochimiche e in dispositivi a

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Reusswig, Philip David. "Sensitized energy transfer for organic solar cells, optical solar concentrators, and solar pumped lasers." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/93831.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2014.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 123-130).<br>The separation of chromophore absorption and excitonic processes, such as singlet exciton fission and photoluminescence, offers several advantages to the design of organic solar cells and luminescent solar concentrators (LSCs) for the end goal of achieving a lower cost solar energy generation. This thesis explores three new device architectures to overcome limited solar absorpt

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Santos, Romi Stella dos. "Conservação de energia: uma ferramenta para analisar o aproveitamento de energia solar em instalações residenciais /." Guaratinguetá : [s.n.], 2008. http://hdl.handle.net/11449/99283.

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Orientador: Oscar Armando Maldonado Astorga<br>Banca: Durval Luiz Silva Ricciulli<br>Banca: George Alves Soares<br>Resumo: No Brasil, devido ao forte crescimento da demanda de energia elétrica nas últimas décadas e com a necessidade de atender a esta procura, torna-se indispensável a inclusão no sistema elétrico brasileiro de programas de eficiência energética e a utilização de fontes alternativas de energia, pois com a construção de novas hidrelétricas e termoelétricas para atender o consumidor, ocorre inundações de grandes áreas e diminuição da emissão de gases para a atmosfera, o que causa

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Close, Brett T. "Solar energy research and development in California." Pomona College, 2007. http://ccdl.libraries.claremont.edu/u?/stc,16.

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The energy crisis of 2001, high prices for gas and electricity and worries of climate change have caused a growing awareness about energy issues in California. The problems are clear. This paper looks at the next step of finding and implementing solutions. In this case the contribution that solar photovoltaic and solar thermal generation could make toward solving the problem. This paper looks at technological change, the current state of solar energy research, current government policies on solar energy, and finally makes policy recommendations to meet the stated problem.

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Mukhopadhyay, Boidurjo. "Solar energy based entrepreneurship and rural development : analysing institutional arrangements that support solar energy entrepreneurs in India." Thesis, University of Sussex, 2017. http://sro.sussex.ac.uk/id/eprint/68229/.

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Renewable energy (RE hereafter) has been observed as a potentially significant new source of jobs and rural growth in both OECD and BRICs countries, and a means of addressing environmental and energy security concerns. The global deployment of RE has been expanding rapidly. For instance, the RE electricity sector grew by 26% between 2005 and 2010 globally and currently provides about 20% of the world's total power (including hydro-power) (OECD, 2012). Rural areas attract a large part of investment related to renewable energy deployment, rending to be sparsely populated but with abundant source

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Alghamedi, Ramzy. "Luminescent solar concentrator structures for solar energy harvesting and radiation control." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2017. https://ro.ecu.edu.au/theses/1965.

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Luminescent solar concentrators are devices capable of converting some spectral components of solar radiation by luminescence and concentrating them before collection by photovoltaic. The aim of this thesis is to design, develop and demonstrate the principle of all-inorganic semitransparent luminescent solar concentrator (LSC) structures capable of passing most of the visible light through to provide illumination, while reflecting more than 90% of the UV and IR radiations and scattering them to the edges of the glass where they are collected by PV cells to produce electricity. All-inorganic vi

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Liu, Suyao, and Li Xie. "Investigation of solar energy utilization in China." Thesis, Högskolan i Gävle, Akademin för teknik och miljö, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-14688.

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Ray, Mike C. T. "Solar Data Analysis." PDXScholar, 2013. https://pdxscholar.library.pdx.edu/open_access_etds/1078.

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The solar industry has grown considerably in the last few years. This larger scale has introduced more problems as well as possibilities. One of those possibilities is analyzing the data coming from the sites that are now being monitored, and using the information to answer a variety of questions. We have four questions which are of prime importance identified in this thesis: 1. Can data from customers be trusted? 2. Can we use data from existing sites to determine which sites need the most improvement? 3. Can we implement a location-based algorithm to reduce the amount of false positives for

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Perumattil, Jose Rose Mary. "The analysis of flat plate solar collector with double-axis solar tracking." Thesis, Högskolan i Halmstad, Akademin för ekonomi, teknik och naturvetenskap, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-38932.

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Montornès, Torrecillas Alex. "A study of the shortwave schemes in the Weather Research and Forecasting model." Doctoral thesis, Universitat de Barcelona, 2017. http://hdl.handle.net/10803/401501.

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The radiative transfer cannot be explicitly resolved in the atmospheric models for two reasons: i) a full treatment of the radiative transfer equation (RTE) requires a high amount of computational resources and ii) the radiative transfer fields such as the optical thickness are not a direct solution of the Euler equations and hence, they must be parameterized as a function of the meteorological fields. Consequently, the physical processes related with radiation are simplified and approximated in physical schemes. In the particular case of the solar radiation, the use of these parameterizati

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Escobedo, João Francisco. "Refrigeração com uso de energia solar." Universidade de São Paulo, 1987. http://www.teses.usp.br/teses/disponiveis/54/54132/tde-28052009-094024/.

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Uma simulação numérica do ciclo de refrigeração a adsorção é realizada para os pares zeólita-água e carvão ativo AC-35 metanol, justificando a escolha do par bem como do sistema de captação a serem utilizados no protótipo. O protótipo construído compreende um concentrador cilíndrico-parabólico com rastreamento solar, um tubo de calor e uma unidade frigorífica (com zeólita-água). Aspectos tecnológicos como válvulas, soldas e carregamento do par na máquina são analisados. Os resultados dos testes de desempenho são apresentados, discutidos e comparados com a literatura. Uma análise de custos é f

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Claudino, Filho Vicente de Vasconcelos. "Desenvolvimento de um coletor Fresnel para sistema de climatização dessecante." Universidade Federal da Paraíba, 2016. http://tede.biblioteca.ufpb.br:8080/handle/tede/8678.

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Submitted by Morgana Silva (morgana_linhares@yahoo.com.br) on 2016-09-23T16:07:12Z No. of bitstreams: 1 Dissertação.pdf: 2848624 bytes, checksum: f5075c15190584601d6a5374e1d06fd7 (MD5)<br>Made available in DSpace on 2016-09-23T16:07:12Z (GMT). No. of bitstreams: 1 Dissertação.pdf: 2848624 bytes, checksum: f5075c15190584601d6a5374e1d06fd7 (MD5) Previous issue date: 2016-06-22<br>Brazil has as a main source for production of electricity the dams using water to drive the turbines and as a secondary source are used the thermoelectric power plants that use fuel oil for electric power production.

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Niaparast, Shervin. "ENERGY ANALYSIS OF A SOLAR BLIND CONCEPT INTEGRATED WITH ENERGY STORAGE SYSTEM." Thesis, KTH, Kraft- och värmeteknologi, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-131419.

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The use of an attached sunspace is one of the most popular passive solar heating techniques. One of the main drawbacks of the sunspace is getting over heated by the sun energy during the hot season of the year. Even in northern climates overheating could be problematic and there is a considerable cooling demand. Shading is one of the most efficient and cost effective strategies to avoid overheating due to the high irradiation especially in the summer. Another strategy is using ventilation system to remove the excess heat inside the sunspace. However this rejected energy can be captured and sto

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Brito, Jose Clet. "Estudo sobre piscina solar." [s.n.], 2006. http://repositorio.unicamp.br/jspui/handle/REPOSIP/263402.

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Orientador: Kamal Abdel Radi Ismail<br>Dissertação (mestrado profissional) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecanica<br>Made available in DSpace on 2018-08-09T17:08:37Z (GMT). No. of bitstreams: 1 Brito_JoseClet_M.pdf: 4633715 bytes, checksum: 1c1eff1cb154ddf97b9f0996fa4289bf (MD5) Previous issue date: 2006<br>Resumo: Neste trabalho apresentamos um estudo sobre piscina solar, como retentora de energia térmica, para futura transformação em energia elétrica, sendo esta constituída por 03 camadas de água salgada com gradientes de densidades diferentes e em ordem cres

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Kang, Ji-Hwan. "Energy transfer enhancement of photon upconversion systems for solar energy harvesting." Thesis, Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/45846.

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Photon energy upconversion (UC), a process that can convert two or more photons with low energy to a single photon of higher energy, has the potential for overcoming the thermodynamic efficiency limits of sunlight-powered devices and processes. An attractive route to lowering the incident power density for UC lies in harnessing energy transfer through triplet-triplet annihilation (TTA). To maximize energy migration in multicomponent TTA-assisted UC systems, triplet exciton diffusivity of the chromophores within an inert medium is of paramount importance, especially in a solid-state matrix for

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Arthur, A. C. "A novel solar-savings fraction prediction methodology for integral passive solar water heaters." Thesis, Cranfield University, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.237552.

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Alves, Alceu Ferreira [UNESP]. "Desenvolvimento de um sistema de posicionamento automático para painéis fotovoltaicos." Universidade Estadual Paulista (UNESP), 2008. http://hdl.handle.net/11449/101817.

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Made available in DSpace on 2014-06-11T19:31:36Z (GMT). No. of bitstreams: 0 Previous issue date: 2008-12-01Bitstream added on 2014-06-13T20:22:32Z : No. of bitstreams: 1 alves_af_dr_botfca.pdf: 3009487 bytes, checksum: 7d842f6597ccf4cbd7f7ebb8d5925852 (MD5)<br>A necessidade de oferecer alternativas para energização de propriedades rurais de pequeno porte com eficiência, confiabilidade e custo acessível, motivou a realização desta pesquisa, cujo enfoque principal foram os sistemas fotovoltaicos e a busca por um melhor desempenho destes sistemas a partir de estratégias de posicionamento dos p

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Oliveira, Táyzer Damasceno. "Facades and solar parking yield estimation at Ultrecht University." Master's thesis, Universidade de Évora, 2020. http://hdl.handle.net/10174/26741.

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Solar energy born as one of the ways to produce energy using renewable resources (like wind, biomass, hydraulic, geothermal and wave energies). The solar energy is divided into three types: thermal, that generates heat (which can be used to produce energy), photovoltaic that only produces electricity and PVT, a hybrid way to generate heat and produce electricity. Photovoltaic (PV) technologies have several uses such as lighting, satellites, solar home systems, pumping, etc. This work pretends to estimate the potential of usage of solar cells and the yield potential at De Uithof campus located

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Canto, Mario Afonso Ribeiro do. "Projeto e desenvolvimento de um sistema automatizado para monitoramento de fontes alternativas de energia /." Guaratinguetá : [s.n.], 2007. http://hdl.handle.net/11449/99291.

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Orientador: Teófilo Miguel de Souza<br>Banca: Samuel Euzedice de Lucena<br>Banca: Osiris Canciglieri Junior<br>Resumo: A utilização de fontes alternativas e renováveis de energia apresenta-se como um recurso energético com um mínimo de impacto ambiental. Com o crescimento do uso destes recursos, torna-se importante o conhecimento dos mesmos do comportamento em relação às condições ambientais naturais. As alterações das condições climáticas, por vezes, causam incertezas quanto ao rendimento dos sistemas alternativos e renováveis de geração de energia. Este trabalho apresenta-se como uma forma d

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