Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/6660
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dc.contributor.authorGrobe, Lars Oliver-
dc.date.accessioned2018-01-09T07:49:59Z
dc.date.available2018-01-09T07:49:59Z
dc.date.issued2017-03
dc.identifier.citationGrobe, L. O. (2017). Computational combination of the optical properties of fenestration layers at high directional resolution. Buildings, 7(1). doi:10.3390/buildings7010022en_US
dc.identifier.issn2075-5309
dc.identifier.issn2075-5309-
dc.identifier.urihttp://doi.org/10.3390/buildings7010022
dc.identifier.urihttp://hdl.handle.net/11147/6660
dc.description.abstractComplex fenestration systems typically comprise co-planar, clear and scattering layers. As there are many ways to combine layers in fenestration systems, a common approach in building simulation is to store optical properties separate for each layer. System properties are then computed employing a fast matrix formalism, often based on a directional basis devised by JHKlems comprising 145 incident and 145 outgoing directions. While this low directional resolution is found sufficient to predict illuminance and solar gains, it is too coarse to replicate the effects of directionality in the generation of imagery. For increased accuracy, a modification of the matrix formalism is proposed. The tensor-tree format of RADIANCE, employing an algorithm subdividing the hemisphere at variable resolutions, replaces the directional basis. The utilization of the tensor-tree with interfaces to simulation software allows sharing and re-use of data. The light scattering properties of two exemplary fenestration systems as computed employing the matrix formalism at variable resolution show good accordance with the results of ray-tracing. Computation times are reduced to 0.4% to 2.5% compared to ray-tracing through co-planar layers. Imagery computed employing the method illustrates the effect of directional resolution. The method is supposed to foster research in the field of daylighting, as well as applications in planning and design.en_US
dc.description.sponsorshipSwiss National Science Foundation SNSF (147053); Swiss Federal Office of Energy SFOE (SI501427-01)en_US
dc.language.isoenen_US
dc.publisherMDPI Multidisciplinary Digital Publishing Instituteen_US
dc.relation.ispartofBuildingsen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectDaylight simulationen_US
dc.subjectComplex fenestrationen_US
dc.subjectMatrix formalismen_US
dc.subjectVariable resolutionen_US
dc.subjectBidirectional Scatter Distribution Functionen_US
dc.titleComputational combination of the optical properties of fenestration layers at high directional resolutionen_US
dc.typeArticleen_US
dc.contributor.departmentIzmir Institute of Technology. Architectureen_US
dc.identifier.volume7en_US
dc.identifier.issue1en_US
dc.identifier.wosWOS:000398691800021
dc.identifier.scopusSCOPUS:2-s2.0-85016926384
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.doi10.3390/buildings7010022-
dc.relation.doi10.3390/buildings7010022en_US
dc.coverage.doi10.3390/buildings7010022en_US
item.openairetypeArticle-
item.fulltextWith Fulltext-
item.grantfulltextopen-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.cerifentitytypePublications-
item.languageiso639-1en-
Appears in Collections:Architecture / Mimarlık
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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