A GIS-based methodology for assigning experimental measurements of angular distribution of sky radiance and luminance to selected sky sectors

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dc.contributor.authorGarcía Ruiz, Ignacio
dc.contributor.authorGarcía Gorostiaga, M. Almudena
dc.contributor.authorTorres Escribano, José Luis
dc.contributor.departmentIngenieríaes_ES
dc.contributor.departmentIngeniaritzaeu
dc.contributor.departmentInstitute of Smart Cities - ISCen
dc.date.accessioned2024-02-12T08:45:10Z
dc.date.available2024-02-12T08:45:10Z
dc.date.issued2019
dc.date.updated2024-02-12T08:40:46Z
dc.description.abstractMathematical models for the estimation of the angular distribution of diffuse radiance/luminance in the sky describe the anisotropic character of diffuse solar radiation and daylight in the sky vault. In most of these models the radiance/luminance of a sky point is determined by the product of the indicatrix function and the gradation function. When developing and/or calibrating these models, it is typical to consider separately the dispersion effects in the direction of the sun's rays and the gradation from the zenith towards the horizon. To do this, the sky is divided into a number of concentric spherical zones around the sun and a number of concentric spherical zones around the zenith. The intersection between both sets of zones delimits a series of sky elements. Unfortunately, these sky elements do not correspond to the 145 patches of sky vault recommended by the International Commission on Illumination (CIE), which are routinely scanned by the existing commercial sky scanners. The identification of the sky elements, geometrically different from those observed by commercial sky scanners, and the assignation of the radiance/luminance values registered by such sky scanners are not analytically trivial tasks. A GISbased methodology is presented in this work to undertake these goals.en
dc.description.sponsorshipThis work was performed in the framework of Project IRILURREFLEX (ENE2017-86974-R), financed by the Spanish State Research Agency (Agencia Estatal de Investigación, AEI) and European Regional Development Fund (Fondo Europeo de Desarrollo Regional, FEDER). They also thank the Public University of Navarre for awarding Ignacio García Ruiz a Doctoral Fellowship.en
dc.format.mimetypeapplication/pdfen
dc.identifier.citationGarcía, I., García, A., Torres, J.L. (2019) A GIS-based methodology for assigning experimental measurements of angular distribution of sky radiance and luminance to selected sky sectors. Renewable Energy, 130, 1207-1215. https://doi.org/10.1016/j.renene.2018.08.095.en
dc.identifier.doi10.1016/j.renene.2018.08.095
dc.identifier.issn0960-1481
dc.identifier.urihttps://academica-e.unavarra.es/handle/2454/47436
dc.language.isoengen
dc.publisherElsevieren
dc.relation.ispartofRenewable Energy 130, (2019), 1207-1215en
dc.relation.projectIDinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/ENE2017-86974-R/ES/
dc.relation.publisherversionhttps://doi.org/10.1016/j.renene.2018.08.095
dc.rights© 2018 Elsevier Ltd. This manuscript version is made available under the CC-BY-NC-ND 4.0en
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectAngular distribution modelsen
dc.subjectSky radiance/luminanceen
dc.subjectGISen
dc.titleA GIS-based methodology for assigning experimental measurements of angular distribution of sky radiance and luminance to selected sky sectorsen
dc.typeinfo:eu-repo/semantics/article
dc.type.versioninfo:eu-repo/semantics/acceptedVersion
dspace.entity.typePublication
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relation.isAuthorOfPublication0c2c3245-d515-48d1-8f44-1cdd61fb4bcc
relation.isAuthorOfPublication.latestForDiscoverydcdadcc0-60de-44b9-8af5-c2c523c90d95

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