Bibliografie tematiche / Selective solar surfaces

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Letteratura scientifica selezionata sul tema "Selective solar surfaces"

Autore: Grafiati
Pubblicato: 27 settembre 2023

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Articoli di riviste sul tema "Selective solar surfaces"

1

Konttinen, P., P. D. Lund e R. J. Kilpi. "Mechanically manufactured selective solar absorber surfaces". Solar Energy Materials and Solar Cells 79, n. 3 (settembre 2003): 273–83. http://dx.doi.org/10.1016/s0927-0248(02)00411-7.

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Monteiro, F. J., e F. Oliveira. "Ageing of black solar selective surfaces". Solar Energy Materials 21, n. 4 (gennaio 1991): 297–315. http://dx.doi.org/10.1016/0165-1633(91)90028-j.

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3

Davoine, F., P. A. Galione, J. R. Ramos-Barrado, D. Leinen, F. Martín, E. A. Dalchiele e R. E. Marotti. "Modeling of gradient index solar selective surfaces for solar thermal applications". Solar Energy 91 (maggio 2013): 316–26. http://dx.doi.org/10.1016/j.solener.2012.09.019.

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4

Yin Zhi-qiang. "SPUTTERED ALUMINIUM-CARBON-OXYGEN SOLAR SELECTIVE ABSORBING SURFACES". Acta Physica Sinica 35, n. 10 (1986): 1369. http://dx.doi.org/10.7498/aps.35.1369.

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Yin, Y., D. R. McKenzie e W. D. McFall. "Cathodic arc deposition of solar thermal selective surfaces". Solar Energy Materials and Solar Cells 44, n. 1 (ottobre 1996): 69–78. http://dx.doi.org/10.1016/0927-0248(96)00026-8.

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Kunç, S. "Rough metallic selective surfaces for solar energy applications". Solar & Wind Technology 3, n. 2 (gennaio 1986): 147–51. http://dx.doi.org/10.1016/0741-983x(86)90027-5.

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7

Khodasevych, Iryna E., Liping Wang, Arnan Mitchell e Gary Rosengarten. "Micro- and Nanostructured Surfaces for Selective Solar Absorption". Advanced Optical Materials 3, n. 7 (5 maggio 2015): 852–81. http://dx.doi.org/10.1002/adom.201500063.

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Mwamburi, Mghendi, e Ewa Wäckelgård. "Doped tin oxide coated aluminium solar selective reflector surfaces". Solar Energy 68, n. 4 (2000): 371–78. http://dx.doi.org/10.1016/s0038-092x(00)00030-x.

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Serra, M., e D. Sainz. "Development of CuO selective surfaces for solar energy utilization". Solar Energy Materials 13, n. 6 (luglio 1986): 463–68. http://dx.doi.org/10.1016/0165-1633(86)90079-1.

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Cen, Hanyu, Sara Nunez-Sanchez, Andrei Sarua, Ian Bickerton, Neil A. Fox e Martin J. Cryan. "Solar thermal characterization of micropatterned high temperature selective surfaces". Journal of Photonics for Energy 10, n. 02 (18 maggio 2020): 1. http://dx.doi.org/10.1117/1.jpe.10.024503.

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Tesi sul tema "Selective solar surfaces"

1

Zäll, Erik. "Electroplating of selective surfaces for concentrating solar collectors". Thesis, Umeå universitet, Institutionen för tillämpad fysik och elektronik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-136425.

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Abstract (sommario):
The optical properties of the absorber pipe in a parabolic trough collector isessential for the performance of the solar collector. The desirable propertiesare high absorptance (α) of solar radiation and low emittance (ε) of thermalradiation. A surface with these properties is known as a solar selective surface. There are several techniques used to produce selective surfaces, but one of the most common ones is electroplating. Research done by Vargas, indicates that optical properties of α = 0.98 and ε = 0.03 [1], which is superior to the best commercial alternatives (α = 0.95 and ε = 0.04 [2]), can be achieved by electroplating a Co-Cr coating on a stainless steel substrate. Additionally, Vargas used an electrolyte of trivalent chromium dissolved in a deep eutectic solvent, as opposed to the traditionally used aqueous electrolytes containing hexavalent chromium, which is toxic and carcinogenic. In this project, a coating of Co-Cr was electroplated on a stainless steel substratewith a method similar to that of Vargas in order to obtain a solar selective surface. The electrolyte was composed of ethylene glycol, choline chloride, CrCl3•6H2O and CoCl2•6H2O in a molar ratio of 16:1:0.4:0.2. The plating process was conducted using chronoamperometric electrodeposition with an applied potential of -1.2 V (against an Ag/AgCl reference electrode) for 15 min. The system was investigated using Cyclic Voltammetry (CV). The total absorptance was measured using UV-Vis spectroscopy, while the emittance was measured using an IR-thermometer. The microstructure and chemical composition was investigated using Scanning ElectronMicroscopy (SEM), Focused Ion Beam (FIB), Energy-Dispersive X-ray Spectroscopy (EDS), X-ray Photoelectron Spectroscopy (XPS) and Raman spectroscopy. The thermal stability of the coating was investigated by exposingit to 400°C in air for 24 h. The electroplated coating is approximately 2.8 μm thick and exhibits a porousstructure with a surface of fine fiber-like flakes. The coating consists largely of Co hydroxides with low concentrations of Cr compounds, Co oxides and metallic Co. Hence, a satisfactory co-deposition was not accomplished, as the Cr concentration is low. The coating is not thermally stable up to 400°C, exhibiting signs of at least partially melting in the annealing process. The compounds in the coating were largely oxidized in the process. The electroplated surface does however exhibits strong selectivity, with a total solar absorptance of α = 0.952 and total emittance of ε = 0.32 at 160°C.
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Rubin, Julia G. (Julia Grace). "Selective solar absorber materials : nanostructured surfaces via scalable synthesis". Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/111347.

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Abstract (sommario):
Thesis: S.B., Massachusetts Institute of Technology, Department of Materials Science and Engineering, 2017.
Cataloged from PDF version of thesis.
Includes bibliographical references (page 32).
Current solar to thermal energy conversion technologies, including concentrated solar power (CSP) and solar water heaters (SWH) utilize absorber surfaces that collect incident solar radiation. However, these absorber surfaces emit thermal energy (at their temperature) in the infrared (IR) spectrum, resulting in decreased overall efficiency for solar-to-thermal conversion. Selective absorber surfaces are highly absorptive in the solar spectrum, yet highly reflective in the infrared spectrum and therefore have the potential to minimize thermal energy loss. Copper Oxide (CuO) nanostructures are a candidate selective absorber material due to high absorptivity in the solar spectrum (about 95%), relatively high reflectance in the IR spectrum, scalability, and ease of fabrication. The aim of this study was to analyze optical properties and thermal stability of CuO surfaces in order to assess its feasibility as a selective absorber material. CuO nanostructures were synthesized on copper via chemical wet processing. Samples were thermally cycled to simulate day/night cycles in a typical SWH application. A cycle consisted of 12 hours of heating at 200°C and 12 hours of cooling to ambient temperature. Samples were cycled 1, 2, 3, 8, and 10 times. Surface optical properties were characterized using Ultraviolet-Visible Spectroscopy (UV-Vis) and Fourier Transform Infrared Spectroscopy (FTIR) and compared to optical properties of Pyromark®, the industry standard. Reflectance in the IR spectrum of CuO samples was found to increase after initial heating, whereas the absorptivity decreased. This tradeoff in optical performance resulted in an overall efficiency that remained relatively stable between 0 and 10 cycles (69.5±1.6%, 70.2±1.6%, respectively). CuO samples were found to be roughly 10% more efficient (optical conversion) than Pyromark® (npyromark,3x = 59.5±0.7%), indicating that CuO samples have the potential to be an efficient selective absorber material.
by Julia G. Rubin.
S.B.
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McEnaney, Kenneth. "Modeling of solar thermal selective surfaces and thermoelectric generators". Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/65308.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2010.
Cataloged from PDF version of thesis.
Includes bibliographical references (p. 101-107).
A thermoelectric generator is a solid-state device that converts a heat flux into electrical power via the Seebeck effect. When a thermoelectric generator is inserted between a solar-absorbing surface and a heat sink, a solar thermoelectric generator is created which converts sunlight into electrical power. This thesis describes the design and optimization of solar thermoelectric generators, with a focus on systems with high optical concentration which utilize multiple material systems to maximize efficiency over a large temperature difference. Both single-stage and cascaded (multi-stage) generators are considered, over an optical concentration range of 0.1 to 1000X. It is shown that for high-concentration Bi₂Te₃/skutterudite solar thermoelectric generators, conversion efficiencies of 13% are possible with current thermoelectric materials and selective surfaces. Better selective surfaces are needed to improve the efficiency of solar thermoelectric generators. In this thesis, ideal selective surfaces for solar thermoelectric generators are characterized. Non-ideal selective surfaces are also characterized, with emphasis on how the non-idealities affect the solar thernoelectric gencrator performance. Finally. the efficiency limit for solar thermoclectric generators with non-directional absorbers is presented.
by Kenneth McEnaney.
S.M.
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Morfeldt, Johannes. "Optically Selective Surfaces in low concentrating PV/T systems". Thesis, Örebro University, School of Science and Technology, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-7396.

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Abstract (sommario):

One of the traditional approaches to reduce costs of solar energy is to use inexpensive reflectors to focus the light onto highly efficient solar cells. Several research projects have resulted in designs, where the excess heat is used as solar thermal energy.

Unlike a solar thermal system, which has a selective surface to reduce the radiant heat loss, a CPV/T (Concentrating PhotoVoltaic/Thermal) system uses a receiver covered with solar cells with high thermal emittance.

This project analyzes whether the heat loss from the receiver can be reduced by covering parts of the receiver surface, not already covered with solar cells, with an optically selective coating. Comparing different methods of applying such a coating and the long-term stability of low cost alternatives are also part of the objectives of this project.

To calculate the heat loss reductions of the optically selective surface coating a mathematical model was developed, which takes the thermal emittances and the solar absorptances of the different surfaces into account. Furthermore, a full-size experiment was constructed to verify the theoretical predictions.

The coating results in a heat loss reduction of approximately 20 % in such a CPV/T system and one of the companies involved in the study is already changing their design to make use of the results.

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Jain, Rahul. "Investigations on Multiscale Fractal-textured Superhydrophobic and Solar Selective Coatings". Thesis, Virginia Tech, 2017. http://hdl.handle.net/10919/78725.

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Functional coatings produced using scalable and cost-effective processes such as electrodeposition and etching lead to the creation of random roughness at multiple length scales on the surface. The first part of thesis work aims at developing a fundamental mathematical understanding of multiscale coatings by presenting a fractal model to describe wettability on such surfaces. These surfaces are described with a fractal asperity model based on the Weierstrass-Mandelbrot function. Using this description, a model is presented to evaluate the apparent contact angle in different wetting regimes. Experimental validation of the model predictions is presented on various hydrophobic and superhydrophobic surfaces generated on several materials under different processing conditions. Superhydrophobic surfaces have myriad industrial applications, yet their practical utilization has been severely limited by their poor mechanical durability and longevity. Toward addressing this gap, the second and third parts of this thesis work present low cost, facile processes to fabricate superhydrophobic copper and zinc-based coatings via electrodeposition. Additionally, systematic studies are presented on coatings fabricated under different processing conditions to demonstrate excellent durability, mechanical and underwater stability, and corrosion resistance. The presented processes can be scaled to larger, durable coatings with controllable wettability for diverse applications. Apart from their use as superhydrophobic surfaces, the application of multiscale coatings in photo-thermal conversion systems as solar selective coatings is explored in the final part of this thesis. The effects of scale-independent fractal parameters of the coating surfaces and heat treatment are systematically explored with respect to their optical properties of absorptance, emittance, and figure of merit (FOM).
Master of Science
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Gallo, Nelson José Heraldo. "Preparação e caracterização de revestimentos seletivos para conversão fototérmica de energia solar". Universidade de São Paulo, 1985. http://www.teses.usp.br/teses/disponiveis/54/54132/tde-21112007-095300/.

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Processos para a produção de revestimentos seletivos de baixo custo foram desenvolvidos utilizando-se técnicas de eletrode posição e imersão. A utilização de substratos facilmente encontra¬dos no comércio a custos relativamente baixos, como o alumínio e o ferro galvanizado e a simplicidade dos métodos utilizados, tornam esses revestimentos altamente competitivos com os melhores já de¬senvolvidos. Valores de absorbância solar em torno de 0,95 e emitância térmica (100Low cost production of selective surfaces were developed using immersion and electroplating techniques. Substrates easily found in the market, like aluminium and galvanized iron, and the simplicity of the methods make those coatings highly competitives. Properties like solar absorptance of 0,95, thermal emittance (100OC) of 0,10 and the good resistence against thermal and chemical degradation give indications that those coatings can be used for industrial and residential solar heating systems. Spec¬troscopy measurements in the visible and infrared range were used to characterize the surfaces. A detailed description of the methods are given, allowing a fast action to get the selective surfaces even by people who are not familiarized with electro¬ plating techniques.
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Didier, Florian. "Dépôt électrophorétique de nanotubes de carbone pour la conception de matériaux solaires sélectifs". Electronic Thesis or Diss., Montpellier, Ecole nationale supérieure de chimie, 2022. http://www.theses.fr/2022ENCM0023.

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La mission de la thèse est de réaliser et d'étudier par une approche 'bottom-up' des dépôts électrophorétiques (EPD) de nanoparticules (e.g. nanotubes de carbone, carbure de titane) pour la conception de nouveaux revêtements solaires photo-thermiques. Ces matériaux sont élaborés par EPD, procédé qui consiste à faire migrer, sous l'influence d'un champ électrique, des nanoparticules chargées en suspension vers une électrode. Il s'agira de réaliser des solutions colloïdales stables, à l'aide de stabilisant organique pour maîtriser les interactions entre nanoparticules et in fine contrôler l'organisation au sein des futurs revêtements (gradient de densité, épaisseur, rugosité). La stabilité sera étudiée par des DLS (diffusion de la lumière) pour déterminer le rayon hydrodynamique et/ou SAXS (diffusion des rayons X) en ce qui concerne la répartition en taille au cours du temps, ainsi que par vélocimétrie laser pour déterminer le potentiel zêta des nanoparticules stabilisées. Ensuite, les paramètres pertinents du champ électrique (intensité, pulse, durée) de l'EPD seront exploré, via une cellule électrophorétique couplé à un impédancemètre, pour obtenir des dépôts submicroniques caractérisés par MEB (microscopie électronique). La sélectivité optique des revêtements (UV-visible / Infra-rouge lointain) ainsi que les performances du matériau seront caractérisés par spectroscopie UV-Vis-FIR. Le lien entre la microstructure et les propriétés optiques obtenues sera particulièrement exploré pour pouvoir optimiser efficacement ces nouveaux matériaux. Outre l'application visée, ces travaux ont également une portée cognitive sur les mécanismes de déstabilisation d'une suspension colloïdale par un champ électrique ainsi que sur la coagulation et l'arrangement de colloïdes sur une surface
The main objective is to realize some photo-solar absorbers by electrophoretic deposition of nanoparticles, having some tuneable optical properties. This study takes place in the field of the development of a macroscopic object through a 'bottom-up' approach. The understanding of the mechanism of the deposition is crucial to design these new materials. The nanostructure of the coatings with density gradient will be elaborated by pulsed and variable electric field, and characterized by scanning microscopy and energy dispersive X-ray and alongside a modelling of the electrophoretic phenomenons (such as the electric field drop) will be investigated. The conversion efficiency of the tandem material, which has to display a high absoptance in the solar spectrum domain (0.5-2.5 µm) whereas a low emittance in the far infra-red (2.5-20 µm), will be calculated from the reflectance spectra of the UV-vis-NIR and the Fourier transform InfraRed spectroscopy in order to link the electrophoretic parameters to the spectral selectivity
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Nordenström, Andreas. "Investigating an electroplating method of Co-Cr alloys : A design of experiment approach to determine the impact of key factors on the electroplating process". Thesis, Umeå universitet, Institutionen för tillämpad fysik och elektronik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-148512.

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Solar energy is increasingly being considered a promising solution to reduce the emissions of CO2 and green house gas. The performance of solar collectors largely depends on the ability to absorb incoming solar radiation with minimal thermal radiation losses. To weigh the potential absorbed energy to thermal losses, the performance criterion (PC) can be used, calculated as PC =α−xε, where α is absorptance, ε is emittance and x is a scaling factor < 1. It has been shown by G. Vargas et al. that Co-Cr alloys excibit great potential (α = 0.98 and ε = 0.03) for use in solar concentrators. The main goal of this project is to quantify the impact of key factors (controlled input variables) on an electroplating process of Co-Cr alloys, using the design of experiment (DOE) methodology. It is part of an ongoing collaboration between Absolicon and the physics department at Umeå university. Six factors were investigated using a fractional factorial (FrF) design. Data was collected through a series of experiments where stainless steel substrates were electroplated with Co-Cr alloys. The resulting samples were analyzed in terms of α and ε as well as the quality of deposition (QD). Using the experimental results, three models were made in a DOE-software called MODDE. Models are used to correlate the factors with each response, i.e. α, ε and QD. Ideally the predictive power of the models (Q2) should be as high as possible, and at least > 0.5. The analysis of variance (ANOVA) test was used to determine the significance of the models. Based on the models, the ’Optimizer’ tool in MODDE was used to predict two set of optimum factor settings, producing two samples, S1 and S2. S1 and S2 were evaluated in terms of α, ε and QD as well as chemical composition and structural properties of the coatings. The predictive power of the models was 0.49 for α, 0.38 for ε and 0.53 for QD. The predictive power of the models were therefore limited. ANOVA-test showed that the models for α and QD were statistically significant. For all three responses the significant effects were mostly two factor interactions. All three models showed significant lack of fit (model error) as a result of high reproducibility. S1 had the best PCAbsolicon (performance criterion for Absolicons solar collectors) of all samples with 0.858. S2 was not as good, even though it was predicted to have a higher value of PCAbsolicon by MODDE. EDS, XPS and SEM measurements of samples S1 and S2 showed that the two samples were very similar in terms of chemical composition. The main difference was that the coating of S1 was more porous, and also thicker than S2, 0.81 μm compared to 0.26 μm. Even though the models showed some predictive capabilities, the impact of the factors could not be fully determined. That is due to the nature of the FrF-design, which cannot accurately determine two-factor interactions.
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Zhao, Shuxi. "Spectrally Selective Solar Absorbing Coatings Prepared by dc Magnetron Sputtering". Doctoral thesis, Uppsala : Acta Universitatis Upsaliensis, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-7530.

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Rodrigues, Felipe Pereira. "Manufacturing process and study of a selective surface for flat plate solar collectors by using granite residue". Universidade Federal do CearÃ, 2014. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=12587.

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CoordenaÃÃo de AperfeiÃoamento de Pessoal de NÃvel Superior
The using of alternatives materials to replace selective surfaces is a natural trend, because it usually looks for improvements on efficiency of surfaces at the same time that it tries to reduce costs. Composites are already used on obtainment of some selective surfaces, however, if the possibility to use residue that would be discarded was associated to these characteristics, providing an added-value, it would brings some benefits like a possible reduction of manufacturing costs. Thus, this thesis proposes the obtainment and study of selective surfaces for flat plate solar collectors for low cost by using residue from granite industry. Three different surfaces was studied, two of them of obtained on the laboratory, one is granite powder made and the other is a surface composed by a mixture of granite powder and CRFO (Cr0,75Fe1,25O3); the third surface is a commercial one, known as TiNOX. To perform the tests of the surfaces it was built an experimental stand, it allows simulating a solar collector conditions. The tests was performed in a stagnation condition, in other words, there wasnât any water flow inside tubes. Through this experimental apparatus it was possible to test the three surfaces simultaneously. The field tests showed that the highest temperatures were reached by granite powder surface, which reached an average temperature of 119 ÂC, while the granite powder and CRFO mixture surface reached an average of 96 ÂC. The TiNOX achieve an average temperature of 101 ÂC. The three surfaces was compared each other through an equation that gives a global heat loss coefficient. The granite powder surface was the one which achieved the lowest global heat loss coefficient.
O uso de materiais alternativos com objetivo de substituir superfÃcies seletivas à uma tendÃncia natural, pois geralmente se busca melhorias na eficiÃncia das superfÃcies ao mesmo tempo em que se tenta diminuir os custos. SubstÃncias compÃsitas jà sÃo utilizadas na obtenÃÃo de algumas superfÃcies seletivas, no entanto, se for associado a estas caracterÃsticas a possibilidade de utilizar resÃduos que iriam ser descartados, conferindo aos mesmos um valor agregado, isso traria alguns benefÃcios, como uma possÃvel reduÃÃo de custos de fabricaÃÃo. Desta forma, o presente trabalho propÃe a obtenÃÃo e o estudo de superfÃcies seletivas para aplicaÃÃes em coletores solares de placa plana de baixo custo originÃrio do resÃduo da indÃstria de granito. Foram estudadas trÃs diferentes superfÃcies, duas delas foram obtidas no laboratÃrio, a superfÃcie a base de pà de granito e a superfÃcie composta pela mistura de pà de granito e CRFO (Cr0,75Fe1,25O3); e a terceira superfÃcie foi uma superfÃcie comercial, conhecida como TiNOX. Para a realizaÃÃo dos testes foi construÃda uma bancada experimental de madeira, de forma que fosse possÃvel simular as condiÃÃes de um coletor solar de placa plana. Os testes foram feitos em condiÃÃo de estagnaÃÃo, ou seja, nÃo havia fluxo de Ãgua atravÃs de tubos no coletor. AtravÃs desse aparato experimental foi possÃvel testar as trÃs superfÃcies seletivas simultaneamente. Os testes de campo mostraram que a superfÃcie composta por pà de granito foi a que atingiu as maiores temperaturas, com uma mÃdia de atà 119 ÂC, enquanto a superfÃcie obtida com uma mistura de pà de granito e CRFO chegou a temperatura mÃdia de 96 ÂC, jà a superfÃcie comercial atingiu uma mÃdia de 101 ÂC. As superfÃcies foram comparadas atravÃs de uma equaÃÃo que fornece o coeficiente global de perda de energia tÃrmica. Os menores coeficientes foram obtidos pela superfÃcie de pà de granito
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Più fonti

Libri sul tema "Selective solar surfaces"

1

Wright, Paul J. Black cobalt absorber surfaces for the selective conversion of solar radiation. Oxford: Oxford Polytechnic, 1987.

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2

Dolley, Philip Ralph. Accelerated ageing and durability assessment of spectrally selective solar absorber surfaces. Oxford: Oxford Polytechnic, 1989.

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3

Bannard, J. Development of a selective solar absorber by control of surface microtopography. Luxembourg: Commission of the European Communities, 1985.

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Gesheva, K. A. Thin Film Optical Coatings for Effective Solar Energy Utilization: Apcvd Spectrally Selective Surfaces and Energy Control Coatings. Nova Science Pub Inc, 2007.

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5

Norouzi, Mohammad Hassan, e Freiburg/Brsg Fraunhofer ISE. Plasma-Based Multifunctional Surface Modification and Laser Doping Technologies for Bifacial PERL/PERC C-Si Solar Cells with Selective Emitter. Fraunhofer IRB Verlag, 2021.

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Capitoli di libri sul tema "Selective solar surfaces"

1

Buhrman, R. A. "Physics of Solar Selective Surfaces". In Advances in Solar Energy, 207–82. Boston, MA: Springer US, 1986. http://dx.doi.org/10.1007/978-1-4613-2227-6_4.

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Granqvist, C. G. "Spectrally Selective Surfaces for Heating and Cooling Applications". In Physics and Technology of Solar Energy, 191–276. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3941-7_10.

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3

Soum-Glaude, Audrey, Laurie Di Giacomo, Sébastien Quoizola, Thomas Laurent e Gilles Flamant. "Selective Surfaces for Solar Thermal Energy Conversion in CSP: From Multilayers to Nanocomposites". In Nanotechnology for Energy Sustainability, 231–48. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2017. http://dx.doi.org/10.1002/9783527696109.ch10.

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Katumba, G., A. Forbes, B. Mwakikunga, E. WäckelgÅrd, J. Lu, L. Olumekor e G. Makiwa. "The Investigation of Carbon Nanoparticles Embedded in Zno and Nio as Selective Solar Absorber Surfaces". In Proceedings of ISES World Congress 2007 (Vol. I – Vol. V), 551–55. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-75997-3_100.

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Mwanza, Mabvuto, e Koray Ulgen. "GIS-Based Assessment of Solar Energy Harvesting Sites and Electricity Generation Potential in Zambia". In African Handbook of Climate Change Adaptation, 1–48. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-42091-8_60-1.

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AbstractLand and environment are some of limited nature resource for any particular country and requires best use. Therefore, for sustainable energy generation it is often important to maximize land use and avoid or minimize environmental and social impact when selecting the potential locations for solar energy harvesting. This chapter presents an approach for identifying and determining the potential sites and available land areas for solar energy harvesting. Hence, the restricting and enhancing parameters that influence sites selection based on international regulation have been imposed to the Laws of Zambia on environmental protection and pollution control legislative framework. Thus, both international regulations and local environmental protection and pollution control legislative have been used for identifying the potential sites and evaluating solar PV electricity generation potential in these potential sites. The restricting parameters were applied to reduce territory areas to feasible potential sites and available areas that are suitable for solar energy harvesting. The assessment involved two different models: firstly the assessment of potential sites and mapping using GIS, and secondly, evaluation of the available suitable land areas and feasible solar PV electricity generation potential in each provinces using analytical methods. The total available suitable area of the potential sites is estimated at 82,564.601 km2 representing 10.97% of Zambia’s total surface area. This potential is equivalent to 10,240.73 TWh annual electricity generation potential with potential to reduce CO2 emissions in the nation and achieve SDGs. The identification of potential sites and solar energy will help improve the understanding of the potential solar energy can contribute to achieving sustainable national energy mix in Zambia. Furthermore, it will help the government in setting up tangible energy targets and effective integration of solar PV systems into national energy mix.
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Mwanza, Mabvuto, e Koray Ulgen. "GIS-Based Assessment of Solar Energy Harvesting Sites and Electricity Generation Potential in Zambia". In African Handbook of Climate Change Adaptation, 899–946. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-45106-6_60.

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Abstract (sommario):
AbstractLand and environment are some of limited nature resource for any particular country and requires best use. Therefore, for sustainable energy generation it is often important to maximize land use and avoid or minimize environmental and social impact when selecting the potential locations for solar energy harvesting. This chapter presents an approach for identifying and determining the potential sites and available land areas for solar energy harvesting. Hence, the restricting and enhancing parameters that influence sites selection based on international regulation have been imposed to the Laws of Zambia on environmental protection and pollution control legislative framework. Thus, both international regulations and local environmental protection and pollution control legislative have been used for identifying the potential sites and evaluating solar PV electricity generation potential in these potential sites. The restricting parameters were applied to reduce territory areas to feasible potential sites and available areas that are suitable for solar energy harvesting. The assessment involved two different models: firstly the assessment of potential sites and mapping using GIS, and secondly, evaluation of the available suitable land areas and feasible solar PV electricity generation potential in each provinces using analytical methods. The total available suitable area of the potential sites is estimated at 82,564.601 km2 representing 10.97% of Zambia’s total surface area. This potential is equivalent to 10,240.73 TWh annual electricity generation potential with potential to reduce CO2 emissions in the nation and achieve SDGs. The identification of potential sites and solar energy will help improve the understanding of the potential solar energy can contribute to achieving sustainable national energy mix in Zambia. Furthermore, it will help the government in setting up tangible energy targets and effective integration of solar PV systems into national energy mix.
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7

Blickensderfer, Robert. "Solar Absorbers—Selective Surfaces". In Electric Refractory Materials. CRC Press, 2000. http://dx.doi.org/10.1201/9780203908181.ch13.

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Mason, J. J. "SELECTIVE SOLAR ABSORBER SURFACES - PRESENT AND FUTURE". In Solar Optical Materials, 77–82. Elsevier, 1988. http://dx.doi.org/10.1016/b978-0-08-036613-5.50014-6.

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Mwamburi, Mghendi, e Ewa Wäckelgrd. "Solar selective reflector surfaces of SnOx". In World Renewable Energy Congress VI, 300–304. Elsevier, 2000. http://dx.doi.org/10.1016/b978-008043865-8/50057-x.

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Clarke, D. "PRACTICAL EXPERIENCE OF USING SELECTIVE SURFACES ON MASS WALL COLLECTORS". In Solar Optical Materials, 83–90. Elsevier, 1988. http://dx.doi.org/10.1016/b978-0-08-036613-5.50015-8.

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Atti di convegni sul tema "Selective solar surfaces"

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Zäll, Erik, Andreas Nordenström, Jonatan Mossegård e Thomas Wågberg. "Electroplating of Selective Surfaces for Concentrating Solar Collectors". In ISES EuroSun 2018 Conference – 12th International Conference on Solar Energy for Buildings and Industry. Freiburg, Germany: International Solar Energy Society, 2018. http://dx.doi.org/10.18086/eurosun2018.10.09.

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2

Koltun, Mark M., G. Gukhman e A. Gavrilina. "Stable selective coating 'black nickel' for solar collector surfaces". In Optical Materials Technology for Energy Efficiency and Solar Energy, a cura di Anne Hugot-Le Goff, Claes-Goeran Granqvist e Carl M. Lampert. SPIE, 1992. http://dx.doi.org/10.1117/12.130487.

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Hall, A., K. V. Every, M. Knight, J. Mccloskey, D. Urrea, A. Ambrosini, T. Lambert, N. Siegel, A. Mahoney e C. Ho. "Solar Selective Coatings for Concentrating Solar Power Central Receivers". In ITSC2011, a cura di B. R. Marple, A. Agarwal, M. M. Hyland, Y. C. Lau, C. J. Li, R. S. Lima e A. McDonald. DVS Media GmbH, 2011. http://dx.doi.org/10.31399/asm.cp.itsc2011p0347.

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Abstract Concentrating solar power (CSP) systems represent a zero emission method for conversion of sunlight to electricity. CSP systems use an array of mirrors to concentrate sunlight on the surface of a heat exchanger and heat a working fluid. These heat exchanger surfaces must have high absorptivity and low emissivity in the solar spectrum. In addition, they must be capable of extended operation at temperatures in excess of 600°C. Initial development of solar selective coatings using the air plasma spray process will be discussed. Eight different coating materials were deposited onto 304L stainless steel substrates. Solar absorptance and emittance were measured from each coating in three conditions: as-deposited, after heat treatment at 600°C for six hours, and after polishing to a 1 µm finish. A figure of merit based upon solar power tower (SPT) operation was calculated from these data and compared to the industry standard solar selective coating for SPT receivers, Pyromark Series 2500 high temperature paint. This comparison shows that Ni-5Al, 80WC-20Co, and CeO plasma-sprayed coatings all have potential as solar selective surfaces for SPT receivers.
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Khullar, Vikrant, Himanshu Tyagi, Todd P. Otanicar, Yasitha L. Hewakuruppu e Robert A. Taylor. "Solar Selective Volumetric Receivers for Harnessing Solar Thermal Energy". In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-66599.

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Given the largely untapped solar energy resource, there has been an ongoing international effort to engineer improved solar-harvesting technologies. Towards this, the possibility of engineering a solar selective volumetric receiver (SSVR) has been explored in the present study. Common heat transfer liquids (HTLs) typically have high transmissivity in the visible-near infrared (NIR) region and high emission in the mid-infrared region, due to the presence of intra-molecular vibration bands. This precludes them from being solar absorbers. In fact, they have nearly the opposite properties from selective surfaces such as cermet, TiNOx, and black chrome. However, liquid receivers which approach the radiative properties of selective surfaces, can be realized through a combination of anisotropic geometries of metal nanoparticles and transparent heat mirrors. Solar selective volumetric receivers represent a paradigm shift in the manner in which solar thermal energy is harnessed and promise higher thermal efficiencies (and lower material requirements) than their surface-absorption based counterparts. In this paper, the ‘effective’ solar absorption to infrared emission ratio has been evaluated for a representative SSVR employing copper nanospheroids and Sn-In2O3 based heat mirrors. It has been found that a solar selectivity comparable to (or even higher than) cermet-based Schott receiver is achievable through control of the cut-off solar selective wavelength. Theoretical calculations show that the thermal efficiency of Sn-In2O3 based SSVR is 6 to 7% higher than the cermet-based Schott receiver. Furthermore, stagnation temperature experiments have been conducted on a lab-scale SSVR to validate the theoretical results. It has been found that higher stagnation temperatures (and hence higher thermal efficiencies) compared to conventional surface absorption-based collectors are achievable through proper control of nanoparticle concentration.
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Cao, Feng, Qian Zhang e Zhifeng Ren. "Tuning solar absortance and reflection of high-temperatue solar spectrally selective surfaces". In Nano-Micro Conference 2017. London: Nature Research Society, 2017. http://dx.doi.org/10.11605/cp.nmc2017.01058.

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Brunotte, A., Michel P. Lazarov e R. Sizmann. "Calorimetric measurements of the total hemispherical emittance of selective surfaces at high temperatures". In Optical Materials Technology for Energy Efficiency and Solar Energy, a cura di Anne Hugot-Le Goff, Claes-Goeran Granqvist e Carl M. Lampert. SPIE, 1992. http://dx.doi.org/10.1117/12.130497.

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Raman, Aaswath P., e Jyotirmoy Mandal. "Radiative Cooling: From Super-White Paints to Selective Thermal Emitters for Cooling Vertical Surfaces". In Optical Devices and Materials for Solar Energy and Solid-state Lighting. Washington, D.C.: Optica Publishing Group, 2022. http://dx.doi.org/10.1364/pvled.2022.pvw5f.2.

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We demonstrate highly UV-reflective radiative cooling paints that can achieve near 99% solar reflectance and strong infrared emittance. We also present experimental findings of how vertical facades of buildings benefit from polymer-based selective thermal emitters.
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Zhiqiang, Yin, G. L. Harding e S. P. Chow. "Sputtered Aluminium-Nitrogen Solar Absorbing Selective Surfaces For All-Glass Evacuated Collectors". In 1986 International Symposium/Innsbruck, a cura di Claes-Goeran Granqvist, Carl M. Lampert, John J. Mason e Volker Wittwer. SPIE, 1986. http://dx.doi.org/10.1117/12.938337.

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Hasumi, Manabu, e Hiroo Yugami. "Development of solar selective absorbers and sky radiators based on two-dimensional diffractive grating surfaces". In Photonics Europe, a cura di Andreas Gombert. SPIE, 2006. http://dx.doi.org/10.1117/12.662672.

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Gupta, Mool C., e Raj Bhatt. "Micro/nanostructure-based selective absorber and emitter surfaces for high-efficiency solar thermophotovoltaic (STPV) applications". In Energy Harvesting and Storage: Materials, Devices, and Applications XI, a cura di Achyut K. Dutta, Palani Balaya e Sheng Xu. SPIE, 2021. http://dx.doi.org/10.1117/12.2589750.

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