Thematische Bibliographien / Transparentní materiál

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Auswahl der wissenschaftlichen Literatur zum Thema „Transparentní materiál“

Autor: Grafiati

Veröffentlicht am 28. Juni 2021

Zuletzt aktualisiert am 3. Februar 2022

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Zeitschriftenartikel zum Thema "Transparentní materiál"

Zaichuk, A. V. „Radio-transparent ceramic materials of spodumene-cordierite composition“. Functional materials 26, Nr. 1 (22.03.2019): 174–81. http://dx.doi.org/10.15407/fm26.01.174.

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Dierke, H., und R. Tutsch. „Transparente Materialien optisch messen*/Measuring transparent materials by optical means - Consideration of influences of the materials under test“. wt Werkstattstechnik online 105, Nr. 11-12 (2015): 770–74. http://dx.doi.org/10.37544/1436-4980-2015-11-12-10.

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Das Messen der Schichtdicke transparenter Materialien mit optischen Methoden ist eine Herausforderung, da das Material des zu messenden Objekts einen erheblichen Einfluss auf das Messergebnis hat. Im Rahmen der Normenreihe DIN 32567 werden systematische Einflüsse und Abweichungen für optische und taktile Messgeräte beschrieben sowie für einige dieser Geräte Verfahren festgelegt, mit denen die Materialeinflüsse bestimmt und korrigiert werden können.   Measuring the film thickness of transparent materials with optical methods is a challenging task because the material of the measuring object has a strong influence on the measuring result. Within the scope of the series of standards DIN 32567, systematic influences and deviations for tactile and optical measuring devices are described. Additionally, for some of these devices procedures are determined to identify and correct the material influences.

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Chong Chen, Chong Chen, Yi Ni Yi Ni, Shengming Zhou Shengming Zhou, Hui Lin Hui Lin und Xuezhuan Yi Xuezhuan Yi. „Preparation of (Tb0.8Y0.2)3Al5O12 transparent ceramic as novel magneto-optical isolator material“. Chinese Optics Letters 11, Nr. 2 (2013): 021601–21603. http://dx.doi.org/10.3788/col201311.021601.

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Kagawa, Yutaka. „Optically Transparent Materials“. Materia Japan 39, Nr. 2 (2000): 113. http://dx.doi.org/10.2320/materia.39.113.

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Inoue, Hiroyuki. „Transparent Glass Materials.“ Materia Japan 39, Nr. 2 (2000): 123–26. http://dx.doi.org/10.2320/materia.39.123.

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Kuwabara, Makoto. „Transparent Functional Ceramics.“ Materia Japan 39, Nr. 2 (2000): 132–36. http://dx.doi.org/10.2320/materia.39.132.

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Kagawa, Yutaka, und Hisayoshi Iba. „Optically Transparent Composites.“ Materia Japan 39, Nr. 2 (2000): 137–40. http://dx.doi.org/10.2320/materia.39.137.

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Müller, R., L. Hörauf, C. Speicher und D. Burkhard. „Transparente Produktionsprozesse/Transparent production processes – Information gathering through retrofitting of existing machinery for the transparent control of production processes“. wt Werkstattstechnik online 109, Nr. 04 (2019): 223–26. http://dx.doi.org/10.37544/1436-4980-2019-04-21.

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Die Produktion nach Kundenwunsch erhöht die Komplexität in der industriellen Produktion und deren Steuerung. Informationen aus verschiedenen Bereichen und Prozessen sind notwendig, um den Verantwortlichen eine Assistenz in der Produktion zu bieten. Der Beitrag beschreibt das Retrofitting von Materialwagen zum automatisierten Erfassen und Lokalisieren von Beständen in der Produktion von Weißer Ware zur Unterstützung der Steuerungsprozesse mittels Manufacturing Execution System (MES).   Production according to customer requirements increases the complexity and control effort in industrial production. Information from different production areas and processes is necessary to assist those employees in production. The article describes the retrofitting of material shuttle for automated gathering and localization of material in the production of white goods to support the control processes in production via a Manufacturing Execution System (MES).

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Kim, Moojoong, Kuentae Park, Gwantaek Kim, Jaisuk Yoo, Dong-Kwon Kim und Hyunjung Kim. „Collinear Deflection Method for the Measurement of Thermal Conductivity of Transparent Single Layer Anisotropic Material“. Applied Sciences 9, Nr. 8 (12.04.2019): 1522. http://dx.doi.org/10.3390/app9081522.

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Transparent anisotropic materials have garnered attention along with the growth of the semiconductor and display industries. Transparent anisotropic materials have the characteristic of varying electrical, optical, and thermal properties based on their crystal orientation, and many studies are being conducted on this topic. In order to utilize transparent anisotropic materials properly, thermal properties such as thermal conductivity are essentially required. However, due to the limitations of the existing thermal property measurement methods for transparent anisotropic materials, it is difficult to provide the thermal properties of transparent anisotropic materials. To address this problem, a transparent anisotropic collinear method capable of measuring the effective thermal conductivity of a transparent anisotropic material according to its crystal orientation is proposed in this paper. To this end, the internal temperature distribution of a transparent anisotropic material and the phase delay of the probe beam were theoretically derived through a numerical analysis model that uses a three-dimensional heat conduction equation. This model was applied to anisotropic thermal conductivity with orthorhombic structure. To verify the proposed method of measuring the thermal conductivity of a transparent anisotropic material, the thermal properties of 3 mm-thick A-plane sapphire glass were measured and compared with those of the existing literature. It was confirmed that the absolute errors were less than about 4 W/mk.

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Enoki, Hirotoshi. „Oxide Transparent Electrodes Materials.“ Materia Japan 34, Nr. 3 (1995): 344–51. http://dx.doi.org/10.2320/materia.34.344.

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Dissertationen zum Thema "Transparentní materiál"

Hykolli, Denis. „Jednostupňová převodovka vyrobená 3D tiskem“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-443218.

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The aim of these theses was the creation of a single-stage gearbox by additive technology FDM / FFF. By chosen values was made dimension calculation for gears. The 3D model of the gearbox was designed in 3D software Autodesk Inventor. Single parts were produced on an FDM 3D printer by Prusa Research. Manufacturing programs for parts were prepared in PrusaSlicer. These programs were used for producing individuals parts on 3D Printer. Transparent material and printing parameters for the top of the gearbox were chosen by visual test and test of light intensity. The total cost of model production is calculated in the work. The result of these is a completely working model of a single-stage gearbox with a transparent top of the gearbox.

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Tásler, Jan. „Příprava a vlastnosti transparentních polykrystalických keramických materiálů“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-416665.

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The presented diploma thesis is focused on the preparation and properties of transparent polycrystalline ceramic materials based on Al2O3. Theoretically, the most important technological aspects of the processing of these materials are presented. Detailed attention is given to transparent Al2O3 polycrystalline ceramics doped with rare earth elements. The influence of microstructural parameters on the optical properties (represented by RIT) is investigated on Al2O3 samples doped and codoped with dysprosium, terbium and chromium. A significant effect of the average grain size on the light transmittance of all samples is observed. The highest RIT = 55 % (measured by a laser beam with a wavelength of 632,8 nm) was achieved by an optimized preparation process for a sample doped with 0,05 at. % of dysprosium. For all samples photoluminescent properties are also analysed. The photoluminescent emission spectra correspond to the activation of doping elements. In case of the terbium and chromium codoped samples, the differences in the activation of individual dopants depending on different excitation wavelengths were demonstrated, resulting in different colour emissions for different excitation wavelengths.

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Martin, Alexis. „Conception et étude d'antennes actives optiquement transparentes : de la VHF jusqu'au millimétrique“. Thesis, Rennes 1, 2017. http://www.theses.fr/2017REN1S126/document.

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Avec le développement de l’internet des objets et l’augmentation des applications sans fil, les antennes sont de plus en plus présentes au quotidien. Cependant, l’implantation de ces antennes est un challenge tant d’un point de vue technologique (intégration des antennes dans les dispositifs), que psychologique (acceptabilité des antennes par le grand public). Dans ce contexte, le développement d’antennes optiquement transparentes permet non seulement leur implantation sur de nouvelles surfaces (vitrages d’immeubles, écrans de smartphones ...), mais promeut aussi leur acceptabilité par le grand public grâce à leur faible impact visuel. Ce travail présente la conception, la fabrication et la caractérisation d’antennes actives optiquement transparentes. Le matériau transparent et conducteur utilisé est un maillage métallique à pas micrométrique développé spécifiquement, alliant conductivité électrique et transparence optique élevées. Dans ce cadre, un premier prototype d’antenne transparente et miniature en bande FM utilisant un transistor MESFET de dimensions sub-millimétriques a été réalisé. Des antennes agiles en fréquence en bande X (~10 GHz) couplées, soit à une diode varicap localisée (agilité ~10%), soit à un matériau ferroélectrique (agilité ~2%), ont été développées et étudiées. Une antenne passive transparente a été conçue en bande V (~60 GHz). Enfin, une transition optique (1540 nm) / hyperfréquence (1,4 GHz) a été réalisée et caractérisée, basée sur la transmission optique d’un faisceau laser au travers du matériau constitutif de l’antenne. Pour l’ensemble des prototypes réalisés, une transparence optique supérieure à 80% dans le domaine du visible associée à une résistance par carré inférieure à 0,1 ohm/sq ont été utilisées
Within the development of the Internet of Things (IoT) and the increase of the wireless communications, antennas are even more present on everyday life. However, antenna implementation is a real challenge, from a technological point of view (antenna integration into the devices) and from a psychological point of view (acceptability by the general public). Within this framework, the development of optically transparent antennas on new surfaces (glass windows, smartphone screens . . . ) is of great interest to improve the network coverage and to assist the general public in acceptability thanks to the low visual impact of such printed antennas. The present work deals with the design, the fabrication and the characterization of optically transparent and active antennas. The transparent and conducting material used is a micrometric mesh metal film specifically developed, associating high electrical conductivity and high optical transparency. A first optically transparent and miniature FM antenna based on a MESFET transistor with micrometric size has been designed and fabricated. Frequency agile antennas operating in X-band (~10 GHz), based on a beam-lead varactor (agility ~10%) and on a ferroelectric material agility ~2%), have been developed and characterized. An optically transparent and passive antenna has been studied in V-band (~60 GHz). At last, optics (1540 nm) / microwave (1.4 GHz) transition has been performed based on the transmission of a laser beam through the transparent antenna. For all prototypes, an optical transparency level higher than 80% coupled with a sheet resistance value lower than 0.1 ohm/sq have been used

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Colucci, Renan [UNESP]. „Desenvolvimento de um compósito contendo polímero condutor (PEDOT:PSS) e material ORMOSIL (GPTMS) com aplicação na fabricação de dispositivos eletroluminescentes“. Universidade Estadual Paulista (UNESP), 2016. http://hdl.handle.net/11449/141509.

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Submitted by Renan Colucci null (37412942840) on 2016-07-12T19:19:53Z No. of bitstreams: 1 dissertação_RENAN_versãofinal.pdf: 3242692 bytes, checksum: c7bf17a6e3f70f7b97cb6c8ecfa1e065 (MD5)
Approved for entry into archive by Ana Paula Grisoto (grisotoana@reitoria.unesp.br) on 2016-07-15T16:29:02Z (GMT) No. of bitstreams: 1 colucci_r_me_rcla.pdf: 3242692 bytes, checksum: c7bf17a6e3f70f7b97cb6c8ecfa1e065 (MD5)
Made available in DSpace on 2016-07-15T16:29:02Z (GMT). No. of bitstreams: 1 colucci_r_me_rcla.pdf: 3242692 bytes, checksum: c7bf17a6e3f70f7b97cb6c8ecfa1e065 (MD5) Previous issue date: 2016-06-27
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
Atualmente é possível fabricar dispositivos eletroluminescentes (EL) utilizando como material ativo uma dispersão de um pó eletroluminescente inorgânico em uma matriz polimérica condutora. Entretanto, esses materiais são quimicamente instáveis, o que impede a deposição de alguns materiais solúveis sobre eles, como por exemplo, eletrodos de tinta prata. Para solucionar este problema, desenvolvemos uma matriz condutora e quimicamente estável formada pelo polímero condutor poli(3,4-etileno dioxitiofeno):poliestireno sulfonado (PEDOT:PSS) e pelo material sílica-orgânico 3-glicidoxipropil trimetilsilano (GPTMS). Foram produzidos compósitos de PEDOT:PSS/GPTMS com diversas concentrações de PEDOT:PSS, com os quais foram produzidos filmes uniformes, insolúveis e com condutividade elétrica entre 2 S/cm e 400 S/cm. A dependência da condutividade elétrica destes materiais em função da temperatura e da concentração de PEDOT:PSS foi descrita pelo modelo de transporte de cargas variable range hopping (VRH-3D). Adicionando-se o material eletroluminescente (EL) inorgânico silicato de zinco dopado com manganês (Zn2SiO4:Mn) à matriz condutora de PEDOT:PSS/GPTMS foi obtido um compósito para a produção de dispositivos EL. Depositando-se este compósito EL sobre substratos de vidro contendo eletrodos transparentes de óxido de estanho e índio, foram obtidos dispositivos EL com tensão de operação de 30 V e eficiência luminosa de 1,3 cd/A. Além disso, a transmitância óptica e a resistência de folha de filmes do compósito condutor (PEDOT:PSS/GPTMS) foram avaliadas, demonstrando que este material apresenta propriedades compatíveis com a aplicação como eletrodo transparente. Por fim, foram produzidos dispositivos EL utilizando o compósito condutor PEDOT:PSS/GPTMS como eletrodos e o compósito EL PEDOT:PSS/GPTMS/ Zn2SiO4:Mn como material ativo. Com este experimento, foi demonstrada a possibilidade de fabricar dispositivos EL por rota líquida, onde o compósito PEDOT:PSS/GPTMS foi utilizado tanto para a fabricação dos eletrodos como para a produção do material ativo do dispositivo.
It is possible to fabricate light-emitting (LE) devices with LE composites as active material. These light-emitting composites are produced with a LE inorganic powder dispersed into a conducting polymer matrix. However, these composites are chemically unstable, limiting the deposition of soluble materials over it. To overcome this problem we developed a high-stability conductive matrix comprising the conductive polymer poly(3,4-ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS) and the organic-silicate 3-glycidyloxypropyl)trimethoxysilane (GPTMS). Composites PEDOT:PSS/GPTMS with diverse weight concentrations of PEDOT:PSS were produced and used to fabricate high-stability films with electrical conductivity from 2 S/cm up to 400 S/cm. The charge transport in these conductive composites were studied as function of the temperature, as well as of the PEDOT:PSS concentration, and described by the 3D variable range hopping model. A light-emitting composite was produced adding to this conductive composite the inorganic electroluminescent powder Mn-doped zinc silicate (Zn2SiO4:Mn). Light-emitting devices, with turn-on voltage of 30 V and luminous efficacy of 1.3 cd/A, were produced with a coating of the developed LE composite done over glass substrates containing indium tin oxide transparent electrodes. Additionally, the optical transmittance and sheet resistance of films produced with the conductive composite PEDOT:PSS/GPTMS were evaluated showing that this material is suitable to fabricate transparent electrodes. Finally, were produced light-emitting devices employing the conductive composite PEDOT:PSS/GPTMS as electrodes and the light-emitting composite PEDOT:PSS/GPTMS/ Zn2SiO4:Mn as active material. This experiment has shown the fabrication of solution-processed light-emitting devices using the composite PEDOT:PSS/GPTMS as transparent electrode and as component of the active material.

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Polster, Steffen. „Laserdurchstrahlschweissen transparenter Polymerbauteile“. Bamberg Meisenbach, 2009. http://d-nb.info/995566216/04.

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Yang, Weijia. „Femtosecond laser writing in transparent materials“. Thesis, University of Southampton, 2008. https://eprints.soton.ac.uk/65510/.

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Optical waveguides (type-I), with perfect mode matching to the standard single-mode fibre and with an overall insertion loss of ~1 dB, have been demonstrated in high index bismuth borate glass by femtosecond laser direct writing. Broadening of the transmitted light source by as much as 500 nm was demonstrated through a waveguide with a length of 1.8 cm. Finally, passive waveguide components such as Y-splitters and directional couplers have also been fabricated using this writing technique. Self-assembled, sub-wavelength periodic structures (type-II) are induced in fused silica by a tightly focused, linearly polarized, femtosecond laser beam. Two different types of periodic structures, the main one with period (ΛE) in the direction of the laser beam polarization and the second with period (Λk) in the direction of the light propagation, are identified from the cross-sectional images of the modified regions using scanning electron microscopy. The period ΛE is proportional to the wavelength of the writing laser and the period Λk in the head of the modified region remains approximately the wavelength of light in fused silica. A new phenomenon in ultrafast laser processing of transparent optical materials, in particular silica glass, manifested as a change in material modification by reversing the writing direction, is observed. The effect resembles writing with a quill pen and is interpreted in terms of new physical effect - anisotropic trapping of electron plasma by a tilted front of the ultrashort laser pulse. Different types of modifications are induced in fused silica by controlling the pulse front tilt. Birefringent modification is demonstrated in the chalcogenide glass by femtosecond laser direct writing. The optical axis of the birefringent region is not determined by the laser polarization direction. It is observed that the information on the direction of writing can be recorded and be rewritable in the chalcogenide glass. Finally, a unique non-reciprocal photosensitivity is identified for the lithium niobate crystal for ultrafast laser direct writing. Therefore, in a non-centrosymmetric medium, modification of the material can be different when light propagates in opposite directions.

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Avelas, Resende Joao. „Copper-based p-type semiconducting oxides : from materials to devices“. Thesis, Université Grenoble Alpes (ComUE), 2017. http://www.theses.fr/2017GREAI072/document.

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L'absence d'oxydes semi-conducteurs de type p de haute performance retarde le développement de d’électronique transparente et du photovoltaïque à base d’oxydes. Dans le groupe des composés semi-conducteurs, les oxydes à base de cuivre présentent des caractéristiques électriques, optiques et de fabrication prometteuses qui établissent cette famille de matériaux comme bien adaptés aux applications semi-conductrices de type p. Dans ce travail, nous nous concentrons sur la croissance de films minces d’une part de Cu2O dopée par des cations et d’autre part de CuCrO2, visant à améliorer leurs propriétés optiques et électriques. De plus, nous avons mis en œuvre ces films d'oxyde dans des dispositifs de jonction pn tels que des cellules solaires et des photodétecteurs UV.Dans le travail sur Cu2O, nous avons réalisé l'incorporation de magnésium jusqu'à 17% dans des films minces par dépôt chimique en phase vapeur assisté par aérosol, entraînant des changements de morphologie. La résistivité électrique a été réduite jusqu’à des valeurs de 6,6 ohm.cm, en raison de l'augmentation de la densité de porteur de-charges jusqu'à 10^18 cm-3. L'incorporation du magnésium a en outre eu un impact sur la stabilité de la phase Cu2O. En effet la transformation du Cu2O en CuO en conditions oxydantes est considérablement retardée par la présence de Mg dans les films, en raison de l'inhibition de la formation d’un type particulier de lacune de cuivre (split vacancy). L'intégration dans les jonctions pn a été réalisée avec succès en utilisant uniquement des voies de dépôt chimique en phase vapeur, en combinaison avec le ZnO de type n. Néanmoins, l'application de Cu2O dopé au Mg dans les cellules solaires présente un effet photovoltaïc très faible, loin des meilleures valeurs de l’état de l’art.Dans le travail sur CuCrO2, nous démontrons la première fabrication d'hétérostructures de nanofils en configuration cœur/coquille ZnO/CuCrO2 utilisant des techniques de dépôt chimique adaptées pour des grandes surface, à faible coût, facilement implémentées à des températures modérées et leur intégration dans des photodétecteurs UV auto-alimentés. Une coquille conforme de CuCrO2 avec la phase de delafossite et avec une uniformité élevée a été élaborée par un dépôt chimique en phase vapeur assisté par aérosol sur un réseau de nanofils ZnO alignés verticalement, obtenu par dépôt par bain chimique. Les hétérostructures ZnO/CuCrO2 coeur-coquille présentent un comportement rectificatif significatif, avec un ratio de rectification maximal de 5500 à ± 1V, ce qui est bien meilleur que les dispositifs 2D similaires rapportés dans la littérature, ainsi qu'une absorption élevée supérieure à 85% dans la région UV. Lorsqu'ils sont appliqués en tant que photodétecteurs UV auto-alimentés, les hétérojonctions optimisées présentent une réponse maximale de 187 μA / W sous une polarisation nulle à 374 nm ainsi qu'une sélectivité élevée avec un ratio de rejet entre l’UV-et le visible (374-550 nm) de 68 sous irradiance de 100 mW/cm2
The lack of a successful p-type semiconductor oxides delays the future implementation of transparent electronics and oxide-based photovoltaic devices. In the group semiconducting compounds, copper-based oxides present promising electrical, optical and manufacturing features that establish this family of materials suitable for p-type semiconductor applications. In this work, we focused on the growth of cation doped Cu2O and intrinsic CuCrO2 thin films, aiming for enhancements of their optical and electrical response. Furthermore, we implemented these oxide films into pn junction devices, such as solar cells and UV photodetectors.In the work on Cu2O, we achieved the incorporation of magnesium up to 17% in thin films by aerosol-assisted chemical vapor deposition, resulting in morphology changes. Electrical resistivity was reduced down to values as low as 6.6 ohm.cm, due to the increase of charge-carrier density up to 10^18 cm-3. The incorporation of magnesium had additionally an impact on the stability of the Cu2O phase. The transformation of Cu2O into CuO under oxidizing conditions is significantly postponed by the presence of Mg in the films, due to the inhibition of copper split vacancies formation. The integration into pn junctions was successfully achieved using only chemical vapor deposition routes, in combination with n-type ZnO. Nevertheless, the application of Mg-doped Cu2O in solar cells present a meager photovoltaic performance, far from the state-of-the-art reports.In the work on CuCrO2, we demonstrate the first fabrication of ZnO/CuCrO2 core-shell nanowire heterostructures using low-cost, surface scalable, easily implemented chemical deposition techniques at moderate temperatures, and their integration into self-powered UV photodetectors. A conformal CuCrO2 shell with the delafossite phase and with high uniformity is formed by aerosol-assisted chemical vapor deposition over an array of vertically aligned ZnO nanowires grown by chemical bath deposition. The ZnO/CuCrO2 core-shell nanowire heterostructures present a significant rectifying behavior, with a maximum rectification ratio of 5500 at ±1V, which is much better than similar 2D devices, as well as a high absorption above 85% in the UV region. When applied as self-powered UV photodetectors, the optimized heterojunctions exhibit a maximum responsivity of 187 µA/W under zero bias at 374 nm as well as a high selectivity with a UV-to-visible (374-550 nm) rejection ratio of 68 under an irradiance of 100 mW/cm2

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Noriega, Motta Julio Amilcar. „Portable transparent indenter instrumentation for material surface characterization“. Morgantown, W. Va. : [West Virginia University Libraries], 2006. https://eidr.wvu.edu/etd/documentdata.eTD?documentid=4765.

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Thesis (Ph. D.)--West Virginia University, 2006.
Title from document title page. Document formatted into pages; contains xiii, 105 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 97-98).

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Alston, M. E. „Biologically inspired transparent material as an energy system“. Thesis, University of Salford, 2017. http://usir.salford.ac.uk/44731/.

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Glazed envelopes on buildings play a major role in operational energy consumption as they define the boundary conditions between the climate outside and the thermal comfort inside a building. Glass façades are viewed as an uncontrolled load that sets the operational performance requirements for air-cooling mechanical systems. These façades are determined by code compliant performance levels set by a single prescriptive static, the U value. This is energetically weak, a dynamic IR absorber strategy is needed, since performance requires change by the hour, season, and weather conditions to sync with a warming earth atmosphere. A transparent dynamic IR absorber , will be modulated by temperature-dependance of the absorber by active tailored flows in a microfluidic based platform, than conventional IR static absorbers. Nature’s characterization of materials is a thermally dynamic response in real time to a microenvironment. This functionality of heat seeking materials would advance a transparent material by energy capture and storage. The hypothesis demonstrates nature’s use of fluidics to direct the structural assembly of a polymer into a thermally functional device, to actively regulate solar radiation as an IR absorber, to lower the polymer device phase transition temperature. This research determines this functionality by hierarchical multi micro-channel network scaling, as a leaf resistor. Resistor conduit analysis defines flow target resistance through simulation to generate a multi micro-channel network, for enhanced solar radiation absorption. This is demonstrated by precise hydrodynamic control in a network using switching of water flow as a thermal switching medium to regulate heat transport flow. Nature evaluates heat flow transport in real time that is not emulated in current glass façade static performance. The knowledge gap is therefore to advance a transparent material from a static function, to a dynamic IR absorber for solar modulation, and this is demonstrated in this research.

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Santos, Joaquim Cesar Pizzutti dos. „Desempenho térmico e visual de elementos transparentes frente à radiação solar“. Universidade de São Paulo, 2002. http://www.teses.usp.br/teses/disponiveis/88/88131/tde-22092016-152800/.

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A especificação das vedações transparentes é uma das decisões mais complexas no âmbito do projeto arquitetônico. Envolve diversos fatores construtivos e de necessidades humanas relacionadas ao conforto ambiental, associadas a uma grande variedade de produtos disponíveis no mercado. Este trabalho busca facilitar aos projetistas esse processo de especificação, fornecendo valores dos parâmetros de desempenho dos elementos transparentes em relação à análise do conforto térmico e visual, coerentes com a realidade climática brasileira e com a real incidência da radiação solar ao longo do dia. Foram estudados os vidros comuns, laminados e refletivos, e as películas de controle solar, policarbonatos e acrílicos usados em edificações no Brasil. Foi utilizada a análise por espectrofotometria para a obtenção dos valores de refletância, transmitância a absortância para as diferentes regiões do espectro solar, com ângulos de incidência variados. A partir do relacionamento desses resultados, considerando o comportamento similar de variação do Fator do Calor Solar (FCS) e da Transmitância da Luz Visível (Tv) com o ângulo de incidência, foi desenvolvida uma metodologia que possibilita o cálculo simplificado de ganhos de calor e luz natural.
The specification of the transparent elements is one of the most complex decisions in the ambit of the architectural project. It involves several constructive factors and human necessities related to the environmental comfort, associated to a great variety of available products in the market. The aim of this work is to facilitate the specification process to the planners, supplying values of the performance parameters of the transparent elements in relation to the analysis of thermal and visual comfort, coherent with the Brazilian climatic reality and with real incidence of the solar radiation along of the day. It were studied the ordinary, laminate and reflective glasses, the solar control films, policarbonates and acrylic used in Brazilian constructions. The spectrophotometry analysis was used to obtain the reflectance, the transmittance and the absortance values for the different regions of the solar spectrum, with varied incidence angles. Starting from the relationship of those results, considering the similar behavior of variation of the Solar Heat Factor (FCS) and of Transmittance of the Visible Light (Tv) with the incidence angle, it was developed a methodology that facilitates the simplified calculation of heat and natural light gains.

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Bücher zum Thema "Transparentní materiál"

Levy, David, und Erick CastellÓn, Hrsg. Transparent Conductive Materials. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2018. http://dx.doi.org/10.1002/9783527804603.

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Barquinha, Pedro. Transparent oxide electronics: From materials to devices. Hoboken, N.J: Wiley, 2012.

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Dao, Lê H. Development of transparent low-cost organic aerogel materials for transparent glass window insulation. Ottawa, Ont: CANMET Energy Technology Centre, 1998.

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Mooney, Peter J. Transparent plastics: Broadening the base of materials and applications. Norwalk, CT: Business Communications Co., 1990.

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Hang kong zuo cang tou ming cai liao ying yong yan jiu xin jin zhan. Beijing Shi: Guo fang gong ye chu ban she, 2011.

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Banerjee, Arghya N. P-type transparent semiconducting delafossite cualo2+x thin film. New York: Nova Science Publishers, 2008.

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Ghosh, Dhriti Sundar. Ultrathin Metal Transparent Electrodes for the Optoelectronics Industry. Heidelberg: Springer International Publishing, 2013.

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Tōmei sankabutsu kinō zairyō no kaihatsu to ōyō: Developments and applications of transparent oxides as active electronic materials. Tōkyō: Shīemushī Shuppan, 2011.

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Forum on New Materials (5th 2010 Montecatini Terme, Italy). New materials III: Transparent conducting and semiconducting oxides, solid state lighting, novel superconductors and electromagnetic metamaterials : proceedings of the 5th Forum on New Materials, part of CIMTEC 2010--12th International Ceramics Congress and 5th Forum on New Materials, Montecatini Terme, Italy, June 13-18, 2010. Stafa-Zuerich: Trans Tech Pubs. ltd. on behalf of Techna Group, 2011.

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Transparent Electronics. Springer, 2007.

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Buchteile zum Thema "Transparentní materiál"

Kong, Ling Bing, Yizhong Huang, Wenxiu Que, Tianshu Zhang, Sean Li, Jian Zhang, Zhili Dong und Dingyuan Tang. „Transparent Ceramic Materials“. In Transparent Ceramics, 29–91. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-18956-7_2.

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Fortunato, Elvira, Pedro Barquinha, Gonçalo Gonçalves, Luís Pereira und Rodrigo Martins. „Oxide Semiconductors: From Materials to Devices“. In Transparent Electronics, 141–83. Chichester, UK: John Wiley & Sons, Ltd, 2010. http://dx.doi.org/10.1002/9780470710609.ch6.

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Goetzberger, A. „Transparent Insulation Materials“. In Physics and Technology of Solar Energy, 425–45. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3941-7_16.

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Hosono, Hideo. „Non-conventional Materials“. In Handbook of Transparent Conductors, 313–51. Boston, MA: Springer US, 2010. http://dx.doi.org/10.1007/978-1-4419-1638-9_10.

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Andrés, Alicia de, Félix Jiménez-Villacorta und Carlos Prieto. „The Compromise Between Conductivity and Transparency“. In Transparent Conductive Materials, 1–30. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2018. http://dx.doi.org/10.1002/9783527804603.ch1.

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Ellmer, Klaus, Rainald Mientus und Stefan Seeger. „Metallic Oxides (ITO, ZnO, SnO2 , TiO2 )“. In Transparent Conductive Materials, 31–80. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2018. http://dx.doi.org/10.1002/9783527804603.ch2_1.

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Fuchs, Peter, Yaroslav E. Romanyuk und Ayodhya N. Tiwari. „Chemical Bath Deposition“. In Transparent Conductive Materials, 81–103. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2018. http://dx.doi.org/10.1002/9783527804603.ch2_2.

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Chen, Chao, und Changhui Ye. „Metal Nanowires“. In Transparent Conductive Materials, 105–31. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2018. http://dx.doi.org/10.1002/9783527804603.ch2_3.

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Salazar-Bloise, Félix. „Carbon Nanotubes“. In Transparent Conductive Materials, 133–64. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2018. http://dx.doi.org/10.1002/9783527804603.ch3_1.

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Wu, Judy Z. „Graphene“. In Transparent Conductive Materials, 165–92. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2018. http://dx.doi.org/10.1002/9783527804603.ch3_2.

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Konferenzberichte zum Thema "Transparentní materiál"

Wittwer, Volker, Joerg J. Dengler und Werner J. Platzer. „Transparent insulation materials“. In Optical Materials Technology for Energy Efficiency and Solar Energy, herausgegeben von Anne Hugot-Le Goff, Claes-Goeran Granqvist und Carl M. Lampert. SPIE, 1992. http://dx.doi.org/10.1117/12.130518.

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Wittwer, Volker, und Werner J. Platzer. „Transparent insulation materials“. In The Hague '90, 12-16 April, herausgegeben von Claes-Goeran Granqvist und Carl M. Lampert. SPIE, 1990. http://dx.doi.org/10.1117/12.20450.

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Sherman, Kenneth C. „Infrared Transparent Reflector Materials“. In International Congress & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1995. http://dx.doi.org/10.4271/950556.

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DeGroot, Jr., Jon V., Ann Norris, Shedric O. Glover und Terry V. Clapp. „Highly transparent silicone materials“. In Optical Science and Technology, the SPIE 49th Annual Meeting, herausgegeben von Robert A. Norwood, Manfred Eich und Mark G. Kuzyk. SPIE, 2004. http://dx.doi.org/10.1117/12.557665.

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Platzer, Werner J. „Solar Transmission Of Transparent Insulation Material“. In 1986 International Symposium/Innsbruck, herausgegeben von Claes-Goeran Granqvist, Carl M. Lampert, John J. Mason und Volker Wittwer. SPIE, 1986. http://dx.doi.org/10.1117/12.938312.

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„Society related material“. In 2006 International Conference on Transparent Optical Networks. IEEE, 2006. http://dx.doi.org/10.1109/icton.2006.248488.

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Clawson, James, Alex Hoehn und Kurt Maute. „Materials for Transparent Inflatable Greenhouses“. In International Conference On Environmental Systems. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2003. http://dx.doi.org/10.4271/2003-01-2326.

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Callet, Patrick. „Transparent materials - Colour and appearance“. In 2018 Colour and Visual Computing Symposium (CVCS). IEEE, 2018. http://dx.doi.org/10.1109/cvcs.2018.8496479.

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Pfluger, Antonio. „Transparent Insulation Materials (Thermal Conductivity)“. In 1986 International Symposium/Innsbruck, herausgegeben von Claes-Goeran Granqvist, Carl M. Lampert, John J. Mason und Volker Wittwer. SPIE, 1986. http://dx.doi.org/10.1117/12.938309.

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Platzer, Werner J. „Transparent insulation materials: a review“. In Optical Materials Technology for Energy Efficiency and Solar Energy Conversion XIII, herausgegeben von Volker Wittwer, Claes G. Granqvist und Carl M. Lampert. SPIE, 1994. http://dx.doi.org/10.1117/12.185405.

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Berichte der Organisationen zum Thema "Transparentní materiál"

McGrath, James E. Aromatic Polyester-Polysiloxane Block Copolymers: Multiphase Transparent Damping Materials. Fort Belvoir, VA: Defense Technical Information Center, Oktober 1986. http://dx.doi.org/10.21236/ada182623.

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Emrich, Carol, und Roy Coffman. Evaluation of Transparent Insulation Materials in Flat Plate Collectors. Office of Scientific and Technical Information (OSTI), Dezember 1994. http://dx.doi.org/10.2172/1577037.

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Strano, Michael S. Multifunctional Materials: Transparent Reactive Armor Utilizing Single-Walled Carbon Nanotube Frameworks. Fort Belvoir, VA: Defense Technical Information Center, März 2010. http://dx.doi.org/10.21236/ada563683.

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Ren, Zhifeng. High performance bulk thermoelectric materials and flexible transparent electrodes. Final Technical Report. Office of Scientific and Technical Information (OSTI), September 2019. http://dx.doi.org/10.2172/1561264.

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Yu, Jian H., und Alex J. Hsieh. Real-Time Dynamic Impact Strain Deformation Measurements of Transparent Poly(urethane urea) Materials. Fort Belvoir, VA: Defense Technical Information Center, September 2010. http://dx.doi.org/10.21236/ada532114.

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Melanie, Haupt, und Hellweg Stefanie. Synthesis of the NRP 70 joint project “Waste management to support the energy turnaround (wastEturn)”. Swiss National Science Foundation (SNSF), Januar 2020. http://dx.doi.org/10.46446/publication_nrp70_nrp71.2020.2.en.

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A great deal of energy can be sourced both directly and indirectly from waste. For example, municipal waste with an energy content of around 60 petajoules is incinerated in Switzerland every year. The energy recovered directly from this waste covers around 4 % of the Swiss energy demand. However, the greatest potential offered by waste management lies in the recovery of secondary raw materials during the recycling process, thus indirectly avoiding the energy-intensive production of primary raw materials. In order to optimise the contribution to the energy turnaround made by waste management, as a first step, improvements need to be made with respect to the transparent documentation of material and cash flows, in particular. On the basis of this, prioritisation according to the energy efficiency of various recycling and disposal channels is required. Paper and cardboard as well as plastic have been identified as the waste fractions with the greatest potential for improvement. In the case of paper and cardboard, the large quantities involved result in considerable impact. With the exception of PET drinks bottles, plastic waste is often not separately collected and therefore offers substantial improvement potential. Significant optimisation potential has also been identified with regard to the energy efficiency of incineration plants. To allow municipal solid waste incineration (MSWI) plants to use the heat they generate more effectively, however, consumers of the recovered steam and heat need to be located close by. A decisive success factor when transitioning towards an energy-efficient waste management system will be the cooperation between the many stakeholders of the federally organised sector. On the one hand, the sector needs to be increasingly organised along the value chains. On the other hand, however, there is also a need to utilise the freedom that comes with federal diversity in order to test different solutions.

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Stein, Ernesto, und Lilia Stubrin. Competitividad, desarrollo productivo y mejora burocrática: El caso de la Secretaría de Simplificación Productiva de Argentina. Inter-American Development Bank, März 2021. http://dx.doi.org/10.18235/0003134.

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La desburocratización y la simplificación de trámites son una materia pendiente en América Latina donde el Estado tiende a vincularse con las empresas, y los ciudadanos en general, a través de procedimientos complicados, largos y hasta muchas veces poco transparentes. En las últimas décadas, sin embargo, en asociación con el avance de la digitalización, han comenzado a realizarse esfuerzos en países de la región por lograr una simplificación de los trámites de la administración pública. Esta nota técnica documenta las prácticas y políticas de desburocratización y simplificación llevadas a cabo desde el Estado Nacional en Argentina en el periodo 2018-2019. La nota se basa en la experiencia de la Secretaría de Simplificación Productiva (SSP) del Ministerio de Producción, la cual lideró un proceso de simplificación con el objetivo primario de mejorar la competitividad y la integración de emprendedores y empresas al entramado productivo. Este caso permite aportar nueva evidencia sobre el accionar de este tipo de procesos en la región y extraer lecciones aprendidas que puedan ser de utilidad tanto para Argentina como para otros países.

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Melanie, Haupt, und Hellweg Stefanie. Synthese des NFP-70-Verbundprojekts «Abfallmanagement als Beitrag zur Energiewende (wastEturn)». Swiss National Science Foundation (SNSF), Januar 2020. http://dx.doi.org/10.46446/publikation_nfp70_nfp71.2020.2.de.

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Im Abfall steckt sowohl direkt wie auch indirekt viel Energie. So werden in der Schweiz pro Jahr Siedlungsabfälle mit einem Energiegehalt von rund 60 Petajoule verbrannt. Die daraus direkt zurückgewonnene Energie deckt etwa 4 Prozent des Endenergiebedarfs. Das grösste Potenzial der Abfallwirtschaft liegt aber meist darin, beim Recycling sekundäre Rohstoffe zu gewinnen und so indirekt die energieintensive Produktion von primären Rohstoffen zu verhindern. Um den Beitrag der Abfallwirtschaft zur Energiewende zu optimieren, braucht es in einem ersten Schritt vor allem Verbesserungen hinsichtlich einer transparenten Dokumentation der Material- und Geldflüsse und darauf aufbauend eine energetische Priorisierung der verschiedenen Verwertungs- und Entsorgungswege. Als diejenigen Abfallfraktionen mit dem grössten Verbesserungspotenzial wurden Papier und Karton sowie Plastik identifiziert. Bei Papier und Karton lassen sich aufgrund der sehr grossen Mengen bedeutende Effekte erzielen. Gebrauchte Kunststoffe werden mit Ausnahme der PET-Getränkeflaschen bisher erst wenig getrennt gesammelt. Ein grosses Optimierungspotenzial wurde auch bei der Energieeffizienz der Verbrennungsanlagen identifiziert. Damit KVAs die entstehende Wärme wirkungsvoller nutzen können, müssen aber Abnehmer für Dampf und Wärmeenergie in ihrer Nähe angesiedelt sein. Ein entscheidender Erfolgsfaktor für einen Wandel hin zu einer energieeffizienten Abfallwirtschaft ist die Zusammenarbeit zwischen den vielen Akteuren der föderalistisch organisierten Branche. Diese muss sich zum einen vermehrt entlang der Wertschöpfungsketten organisieren. Zum anderen gilt es dabei aber auch, die Freiräume der föderalen Vielfalt zu nutzen, um unterschiedliche Lösungswege zu testen.

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