Estimativas das componentes da radiação solar incidente em superfícies inclinadas baseadas na radiação global horizontal

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dc.contributor.authorSouza, Adilson P.
dc.contributor.authorEscobedo, João Francisco [UNESP]
dc.contributor.authorDal Pai, Alexandre [UNESP]
dc.contributor.authorGomes, Eduardo N. [UNESP]
dc.contributor.institutionUniversidade Federal de Mato Grosso (UFMT)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.date.accessioned2014-05-20T13:21:39Z
dc.date.available2014-05-20T13:21:39Z
dc.date.issued2011-03-01
dc.description.abstractStatistics equations and validations with groups of annual and monthly data were evaluated for global, direct and diffuse solar radiation components incident on the tilted surface to 12.85, 22.85 and 32.85 degrees with the face North, in climate and geographical conditions of Botucatu, SP. It was employed the fractions of three components of extraterrestrial radiation in correlation with the coefficient clearness index horizontal plane, in a database of April/1998 to December/2007, whose measures at different periods in three inclinations, however concomitant to the horizontal plane. Increasing the angle of the surface led to increased scattering of the daily values of clearness index for inclined and horizontal surfaces. In annual groups, the lower performances were observed in the estimation of inclined daily diffuse radiation, with maximum Root Mean Square Error to 3.89 MJ m(-2) d(-1) (43.65%) and adjustments around 62%. In estimates of global and direct components of solar radiation on inclined planes, both annual and monthly equations can be applied, with performance dependents to climatic conditions.en
dc.description.affiliationUFMT, Inst Ciencias Agr & Ambientais, BR-78550000 Sinop, MT, Brazil
dc.description.affiliationUNESP, Dept Recursos Nat, BR-18610307 Botucatu, SP, Brazil
dc.description.affiliationFATEC, Dept Informat, BR-18606855 Botucatu, SP, Brazil
dc.description.affiliationUnespUNESP, Dept Recursos Nat, BR-18610307 Botucatu, SP, Brazil
dc.format.extent277-288
dc.identifierhttp://dx.doi.org/10.1590/S1415-43662011000300009
dc.identifier.citationRevista Brasileira de Engenharia Agricola E Ambiental. Joao Pessoa Pb: Universidade Federal da Paraíba (UFPB) Ccsa, v. 15, n. 3, p. 277-288, 2011.
dc.identifier.issn1415-4366
dc.identifier.urihttp://hdl.handle.net/11449/6255
dc.identifier.wosWOS:000208666100009
dc.language.isopor
dc.publisherUniversidade Federal da Paraíba (UFPB) Ccsa
dc.relation.ispartofRevista Brasileira de Engenharia Agrícola e Ambiental
dc.relation.ispartofsjr0,541
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectclearness indexen
dc.subjectindicate estatisticalen
dc.subjectmodelingen
dc.titleEstimativas das componentes da radiação solar incidente em superfícies inclinadas baseadas na radiação global horizontalpt
dc.title.alternativeEstimates of solar radiation components on a tilted surface based on global horizontal radiationen
dc.typeArtigo
dcterms.licensehttp://www.scielo.br/revistas/rbeaa/paboutj.htm
dcterms.rightsHolderUniversidade Federal da Paraíba (UFPB) Ccsa
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Ciências Agronômicas, Botucatupt
unesp.departmentSolos e Recursos Ambientais - FCApt

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Botucatu - FCA - Faculdade de Ciências Agronômicas