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dc.contributor.authorSánchez Burillo, Guillermo-
dc.contributor.authorDelirhasannia, Reza-
dc.contributor.authorPlayán Jubillar, Enrique-
dc.contributor.authorPaniagua Antón, Pilar-
dc.contributor.authorLatorre Garcés, Borja-
dc.contributor.authorBurguete Tolosa, Javier-
dc.date.accessioned2013-06-28T08:56:06Z-
dc.date.available2013-06-28T08:56:06Z-
dc.date.issued2013-07-
dc.identifier.citationSánchez Burillo G, Delirhasannia R, Playán E, Paniagua P, Latorre B, Burguete J. Initial drop velocity in a fixed spray plate sprinkler . Journal of Irrigation and Drainage Engineering 139 (7): 521-531 (2013)es_ES
dc.identifier.issn0733-9437-
dc.identifier.urihttp://hdl.handle.net/10261/78761-
dc.description31 Pags., 2 Tabls., 10 Figs. The definitive version is available at: http://ascelibrary.org/toc/jidedh/139/7es_ES
dc.description.abstractBallistic simulation has been successfully applied to impact sprinklers. However, ballistic simulation of center pivot sprinkler irrigation has been limited by the difficulty in estimating the initial drop velocity vector in fixed and rotating spray plate sprinklers. Initial velocity is severely affected by the impact of the jet on the sprinkler deflecting plate (or plates). In this work, experimental techniques based on drop photography have been used to obtain the droplet velocity and angle in the vicinity of a fixed spray plate sprinkler by using three different nozzle diameters. Furthermore, simulation techniques based on the inverse solution of drop trajectory were combined to determine the initial velocity vector and energy loss at the spray. Our analysis suggests that the ballistic model can be used to simulate drop inverse trajectory in these sprinklers, although the ballistic model can benefit from 5 to 10% effective drag-force screening. The ratio of initial drop velocity to jet velocity was between 0.67 and 0.82, whereas the kinetic energy losses in the spray sprinklers amounted to 33–55%.es_ES
dc.description.sponsorshipThis research was funded by the National Research, Development and Innovation Plan of the Government of Spain (Plan Nacional de I+D+I) through grant AGL2010-21681-C03-01, and by the Special Intramural Grant 200940I041 of CSIC (funding G. S´anchez Burillo). R. Delirhasannia received a scholarship from the Ministry of Science, Research and Technology 301 of Iran to perform a scientific stay at the Aula Dei Experimental Station of CSIC, Zaragoza, Spain.es_ES
dc.language.isoenges_ES
dc.publisherAmerican Society of Civil Engineerses_ES
dc.rightsopenAccesses_ES
dc.subjectsprinkler irrigationes_ES
dc.subjectballistic modeles_ES
dc.subjectfixed spray platees_ES
dc.subjectpivotes_ES
dc.subjectlateral movees_ES
dc.titleInitial drop velocity in a fixed spray plate sprinkleres_ES
dc.typeArtículoes_ES
dc.identifier.doi10.1061/(ASCE)IR.1943-4774.0000573-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1061/(ASCE)IR.1943-4774.0000573es_ES
dc.identifier.e-issn1943-4774-
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