Empirical calculation of the optimal tilt angle for solar collectors in northern hemisphere

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dc.authorid0000-0001-9242-6233en_US
dc.contributor.authorKarakaya, Hakan
dc.contributor.authorKallioğlu, Mehmet Ali
dc.contributor.authorDurmuş, Aydın
dc.contributor.authorYılmaz, Adem
dc.date.accessioned2021-11-10T06:38:54Z
dc.date.available2021-11-10T06:38:54Z
dc.date.issued2020-03en_US
dc.departmentBatman Üniversitesi Mühendislik - Mimarlık Fakültesi Makine Mühendisliği Bölümüen_US
dc.description.abstractPanel tilt angles (0°–90°) need to be in a proper position and location to get maximum productivity from solar energy. Values used in solar energy applications are generally computed by (global, diffuse, and direct) variation on horizontal surfaces calculated using isotropic sky and a mean albedo method. Being parallel to the available literature concerning such applications, this study focuses on the optimum solar panel angle. In this study, optimum solar panel angle value by months was determined for three sample provinces (Antalya, Kayseri, and Trabzon) first and North Hemisphere then. Capacity calculation of sample provinces was performed based on monthly, seasonal, and annual angle values and horizontal situation. Monthly and annual optimum angle values for Northern Hemisphere by 1° increase for between the latitudes of 1° N and 65° N. While the panel angle is at the highest level in autumn and winter (November-December-January and February) in annual process, the lowest angle is observed in spring and summer (May-June-July-August). Several different mathematical models have been developed for the sample provinces and Northern Hemisphere. While the variable of 12 different models that were developed for provinces is the Declination (δ) coefficient, the variable of 7 different models that were developed Northern Hemisphere is the latitude (Ø). Regional values in literature with estimation results of models were analyzed based on NASA and PVGIS data color scale. There was created a possibility of comparison by aligning all the optimum solar panel angle values of related location via a scale whose values vary by 1 and 10. Moreover, all the models were verified by statistical analysis methods. R2 (determination coefficient) in 19 different estimation equations is pretty close or equal to 1. However, the best among them is Eq. 32 (0.9979) for sample provinces and Eq. (33) (1) for the Northern Hemisphere; developed models are less-than-stellar. Other statistical data of these equations are MBE (−0.0616), RMSE (1.1176), t-sat (0.1830), Bias (1). For Eq. (32); MBE (1.96), RMSE (2.75), t-sat (8.13), MPE % (3.98), MAPE (5.87), SSRE (0.27), and RSE (0.06) for Eq. (33). The statistical analyzes indicate that all regression models are applicable in Turkey and Northern Hemisphere. Developed all correlations are recommended for academic and industrial users.en_US
dc.identifier.citationKarakaya, H., Kallioğlu, M.A., Durmuş, A., Yılmaz, A. (2020). Empirical calculation of the optimal tilt angle for solar collectors in northern hemisphere. Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, 42 (11), pp.1335-1358. DOI:https://doi.org/10.1080/15567036.2019.1663315en_US
dc.identifier.endpage1358en_US
dc.identifier.issn1556-7036
dc.identifier.issue11en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage1335en_US
dc.identifier.urihttps://doi.org/10.1080/15567036.2019.1663315
dc.identifier.urihttps://hdl.handle.net/20.500.12402/3916
dc.identifier.volume42en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherTaylor & Francisen_US
dc.relation.isversionof10.1080/15567036.2019.1663315en_US
dc.relation.journalEnergy Sources, Part A: Recovery, Utilization, and Environmental Effectsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/restrictedAccessen_US
dc.rightsAttribution-NonCommercial-ShareAlike 3.0 United States*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-sa/3.0/us/*
dc.subjectPhotovoltaicen_US
dc.subjectTilt Angleen_US
dc.subjectLatitudeen_US
dc.subjectCorrelationsen_US
dc.subjectOptimumen_US
dc.subjectNorthernen_US
dc.titleEmpirical calculation of the optimal tilt angle for solar collectors in northern hemisphereen_US
dc.title.alternativeKuzey yarım küredeki güneş kollektörleri için optimum eğim açısının ampirik olarak hesaplanmasıen_US
dc.typeArticleen_US

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