EFFECT OF COLLECTOR SLOPE AND ORIENTATION ON SOLAR ENERGY UTILIZATION

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dc.contributor.authorKacan, Erkan
dc.contributor.authorUlgen, Koray
dc.date.accessioned2019-10-27T21:56:01Z
dc.date.available2019-10-27T21:56:01Z
dc.date.issued2012
dc.departmentEge Üniversitesien_US
dc.description.abstractThe study is based upon the measured values of daily global and diffuse solar radiation on a horizontal surface which are taken in Izmir, Turkey. The optimum tilt angle of solar collector is determined between 0 degrees and 61 degrees and changed by the time period through the year. In winter (December, January, and February) the tilt should be 55,7 degrees, in spring (March, April, and May) 18,3 degrees, in summer (June, July, and August) 4,3 degrees, and in autumn (September, October, and November) 43 degrees. Annually, optimum tilt is found to be 30,3 degrees as a fixed tilt throughout the year. Also, these measured values are compared with other equations put forward for calculating the optimum tilt angles. Small deviations are observed between 2,87 degrees and 5,90 degrees. The equations that give a result higher then 3 degrees as a deviation are not suitable to calculate the optimum tilt angle. If solar collector is installed on the monthly optimum tilt angle, optimum azimuth angle (gamma) has to be 0 degrees for all months of the year. However, azimuth angle of the solar collector has to be (gamma=+/- 60 degrees) if the slope is chose (beta >= 60 degrees) in April. In addition, azimuth angle of the solar collector has to be (gamma=+/- 75 degrees) if the slope is chose (beta >= 40 degrees) in May and August, azimuth angle of the solar collector has to be (gamma=+/- 90 degrees) if the slope is chose (beta >= 30 degrees) in June and July, azimuth angle of the solar collector has to be (gamma=+/- 45 degrees) if the slope is chose (beta >= 70 degrees) in September.en_US
dc.identifier.endpage846en_US
dc.identifier.issn1300-1884
dc.identifier.issn1300-1884en_US
dc.identifier.issue4en_US
dc.identifier.startpage837en_US
dc.identifier.urihttps://hdl.handle.net/11454/48303
dc.identifier.volume27en_US
dc.identifier.wosWOS:000314494700015en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.language.isotren_US
dc.publisherGazi Univ, Fac Engineering Architectureen_US
dc.relation.ispartofJournal of the Faculty of Engineering and Architecture of Gazi Universityen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectSolar collectoren_US
dc.subjectoptimum tilt angleen_US
dc.subjectsurface azimuth angleen_US
dc.subjectclearness indexen_US
dc.subjectsolar radiationen_US
dc.titleEFFECT OF COLLECTOR SLOPE AND ORIENTATION ON SOLAR ENERGY UTILIZATIONen_US
dc.typeArticleen_US

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