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Literatura académica sobre el tema "Spectrum, Solar"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 4 de marzo de 2023

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Tesis sobre el tema "Spectrum, Solar"

1

Al, Jabri Issa Khamis Mohammed. "LED based solar spectrum simulator." Thesis, Al Jabri, Issa Khamis Mohammed (2018) LED based solar spectrum simulator. Honours thesis, Murdoch University, 2018. https://researchrepository.murdoch.edu.au/id/eprint/44782/.

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The aim of the study was to design and fabricate a LED based solar simulator to match the full solar spectrum of natural light. The finding of this research can be applied in the field of solar energy as it can be utilised in testing photovoltaic technology (PV). To achieve this objective, the researcher focused on selecting appropriate LEDs to match the solar spectrum and intensity, whilst also designing the LED solar fabricator and testing the temporal drift of the simulator’s spectrum and power distribution. The key hardware requirements were LEDs and LEDs drivers which were chosen based on

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2

Tatsiankou, Viktar. "Instrumentation Development for Site-Specific Prediction of Spectral Effects on Concentrated Photovoltaic System Performance." Thesis, Université d'Ottawa / University of Ottawa, 2014. http://hdl.handle.net/10393/31222.

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The description of a novel device to measure the spectral direct normal irradiance is presented. The solar spectral irradiance meter (SSIM) was designed at the University of Ottawa as a cost-effective alternative to a prohibitively expensive field spectroradiometer (FSR). The latter measures highly-varying and location-dependent solar spectrum, which is essential for accurate characterization of a concentrating photovoltaic system’s performance. The SSIM measures solar spectral irradiance in several narrow wavelength bands with a combination of photodiodes with integrated interference filters.

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3

Kwarikunda, Nicholas. "On the characterisation of solar cells using light beam induced current measurements." Thesis, Nelson Mandela Metropolitan University, 2015. http://hdl.handle.net/10948/11147.

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The presence of inhomogeneities in semiconductor materials used to fabricate solar cell devices may result in spatial non uniformities in the device properties which may affect current generation in these devices. Besides, current reducing defects such as inclusions, local shunts and optical blockages may be introduced during the various device manufacturing processes which may adversely affect the performance and overall efficiency of solar cells. Diagnostic techniques are therefore needed to identify these defects so as to improve the production technology. This thesis presents the Light Bea

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4

Zhang, Deming. "Holographic Spectrum-Splitting Optical Systems for Solar Photovoltaics." Diss., The University of Arizona, 2013. http://hdl.handle.net/10150/301498.

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Solar energy is the most abundant source of renewable energy available. The relatively high cost prevents solar photovoltaic (PV) from replacing fossil fuel on a larger scale. In solar PV power generation the cost is reduced with more efficient PV technologies. In this dissertation, methods to improve PV conversion efficiency with holographic optical components are discussed. The tandem multiple-junction approach has achieved very high conversion efficiency. However it is impossible to manufacture tandem PV cells at a low cost due to stringent fabrication standards and limited material types t

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5

Ayala, P. Silvana, Shelby Vorndran, Yuechen Wu, Benjamin Chrysler, and Raymond K. Kostuk. "Segmented holographic spectrum splitting concentrator." SPIE-INT SOC OPTICAL ENGINEERING, 2016. http://hdl.handle.net/10150/622711.

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This paper presents a segmented parabolic concentrator employing holographic spectral filters that provide focusing and spectral bandwidth separation capability to the system. Strips of low band gap silicon photovoltaic (PV) cells are formed into a parabolic surface as shown by Holman et. al. [1]. The surface of the PV segments is covered with holographic elements formed in dichromated gelatin. The holographic elements are designed to transmit longer wavelengths to silicon cells, and to reflect short wavelength light towards a secondary collector where high-bandgap PV cells are mounted. The sy

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6

Bhattacharya, Yajnavalkya. "Analysis of a solar occultation experiment from the space shuttle Columbia." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape15/PQDD_0030/MQ27334.pdf.

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7

Walsh, Penelope Jane, and n/a. "Modelling and spectroscopy of polypyridyl and porphyrin complexes for electroluminescence and solar cell applications." University of Otago. Department of Chemistry, 2007. http://adt.otago.ac.nz./public/adt-NZDU20070927.151236.

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This thesis reports the spectroscopic and computational studies of two classes of compounds, which have applications in new optoelectronic materials technology. Substituted ligands of dipyrido-[3,2a:2�,3�c]phenazine (dppz), and their Cu(I), Re(I) and Ru(II) complexes have utility in organic electroluminescent devices. A series of Zn(II) tetraphenylporphyrins with conjugated functional groups at the β-position have been used with success in liquid heterojunction dye-sensitized solar cells. The vibrational spectra and optoelectronic properties of the two classes were investigated using Raman, re

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8

Bierman, David M. (David Matthew). "Full spectrum utilization for high-efficiency solar energy conversion." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/113547.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2017.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 88-97).<br>Today, two dominant strategies for solar energy harvesting exist: solar thermal and photovoltaic. Solar thermal energy harvesting offers the distinct ability to both utilize the full solar spectrum and provide dispatchable electrical power to the grid. By contrast, the generation of power via the photovoltaic effect can reduce the complexity of a system by eliminating moving parts. Conversion strateg

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9

Chrysler, Benjamin D., Pelaez Silvana Ayala, Yuechen Wu, Shelby D. Vorndran, and Raymond K. Kostuk. "Environmental stability study of holographic solar spectrum splitting materials." SPIE-INT SOC OPTICAL ENGINEERING, 2016. http://hdl.handle.net/10150/622712.

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In this study the impact of outdoor temperature variations and solar illumination exposure on spectral filter material and holographic optical elements is examined. Although holographic components have been shown to be useful for solar spectrum splitting designs, relatively little quantitative data exist to demonstrate the extent to which these materials can withstand outdoor conditions. As researchers seek to investigate practical spectrum splitting designs, the environmental stability of holographic materials should be considered as an important factor. In the experiment presented, two holog

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10

Sethi, Waleed Tariq. "Optical antennas for harvesting solar radiation energy." Thesis, Rennes 1, 2018. http://www.theses.fr/2018REN1S129/document.

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Au cours des dernières années, la communauté scientifique s'est intéressée de plus en plus à l'acquisition de sources d'énergie renouvelables vertes et propres par rapport aux combustibles fossiles traditionnels. Le rayonnement solaire est une source particulièrement abondante d'énergie renouvelable qui a été largement utilisée dans les véhicules, les machines et les bâtiments, entre autres. Il y a généralement deux manières différentes d'utiliser l'énergie solaire: la chaleur et l'électricité. La principale motivation de ce travail de thèse est d'utiliser cette abondante source d'énergie pour

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