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dc.contributor.authorStambouli, Talel-
dc.contributor.authorZapata Ruiz, Nery-
dc.contributor.authorFaci González, José María-
dc.date.accessioned2014-01-10T09:03:02Z-
dc.date.available2014-01-10T09:03:02Z-
dc.date.issued2014-02-
dc.identifier.citationStambouli T, Zapata N, Faci JM. Performance of new agricultural impact sprinkler fitted with plastic nozzles. Biosystems Engineering 118 (1): 39-51 (2014)-
dc.identifier.issn1537-5110-
dc.identifier.urihttp://hdl.handle.net/10261/89204-
dc.description37 Pags., 6 Figs., 3 Tabls. The definitive version is available at: http://www.sciencedirect.com/science/journal/15375110-
dc.description.abstractThe radial water distribution and irrigation performance of an agricultural sprinkler with plastic nozzles were analysed. Twenty-six tests with an isolated sprinkler corresponding to different combinations of three working pressure (p, 200, 300 and 400kPa) and three nozzle diameters of the main nozzle (4.0, 4.5 and 5.0mm) were performed to evaluate the radial water distribution curves, All the tests were performed under calm wind (≤1ms-1) under open air conditions. Fifty tests corresponding to six combinations of nozzle diameter and pressure with the same sprinkler model were performed under a wide range of meteorological conditions in a rectangular solid-set system at 18m×18m sprinkler spacing to evaluate the Christiansen's Uniformity Coefficient (CUC) and wind drift and evaporation losses (WDEL). The resulting radial water distribution curves were compared with those from impact sprinklers with brass nozzles. Sprinkler model had an important effect on the radial water distribution, even under similar operational conditions, and these differences were shown in the first 2.5-6m from the sprinkler. The CUC and WDEL of a solid-set sprinkler system were compared with simulated values from the >Ador-Sprinkler> model. The results of this analysis showed that the type of sprinkler had a moderate influence on sprinkler irrigation uniformity. The analysis presented in this study may serve to develop a decision tool to choose the most suitable combinations of sprinkler model, nozzle diameter and working pressure to optimise the uniformity and efficiency of sprinkler irrigation.-
dc.description.sponsorshipThis research was funded by the MCINN of the Government of Spain through grants AGL2007-66716-C03-01/02, AGL2010-21681-C03-01/03; the European Commission through grant QUALIWATER (INCO-CT-2005-015031) and by the FPI-MICINN PhD grants programme.-
dc.language.isoeng-
dc.publisherAcademic Press-
dc.rightsopenAccess-
dc.subjectLow-quarter distribution-
dc.subjectCoefficient of uniformity-
dc.subjectCatch cans-
dc.subjectApplication uniformity-
dc.subjectPulse on/off-
dc.subjectVariable rate irrigation-
dc.titlePerformance of new agricultural impact sprinkler fitted with plastic nozzles-
dc.typeArtículo-
dc.identifier.doi10.1016/j.biosystemseng.2013.11.002-
dc.relation.publisherversionhttp://dx.doi.org/10.1016/j.biosystemseng.2013.11.002-
dc.embargo.terms2015-02-01-
dc.date.updated2014-01-10T09:03:02Z-
dc.description.versionPeer Reviewed-
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