Comparative Analysis of Some Commonly Used Impact Sprinklers Performances in the Different Wind Conditions and Sprinkler Arrangements

Journal of Applied Biological Sciences

Yalda SERAJ REZAEI¹  Reza DELIRHASANNIA¹  Ali Ashraf SADRADDINI¹  Ahmad FAKHERI-FARD¹ 

关键词: Coefficient of Uniformity;    Impact Sprinkler;    Performance;    Sprinklers Spacing and Arrangement;    Wind Speed;   

DOI  :  

学科分类：生物科学（综合）

来源: Nobel Bilim ve Arasirma Merkezi/Nobel Science and Research Cente

【 摘 要 】

Inthisstudytheperformancesofsomecommonlyusedtypesofimpactsprinklerswereinvestigatedindifferentwindspeeds,sprinklerarrangementsandspacing.FieldexperimentswereconductedindifferentwindconditionsforthreetypesofsprinklersincludingIRRILINE30,VYR35andRAINBIRD40Bandwaterdistributionpatternsofthemwereobtained.Thedistributionpatternofeachsinglesprinklerwasoverlappedbysettingoftheminrectangularandtriangulararrangementswithspacingof12×15,12×18and15×18mandalsoinsquarearrangementwithspacingof12×12,15×15and18×18m.Thentheoverallwaterapplicationuniformitycoefficientsofeachsettingwerecalculatedandcomparedwitheachother.Inaddition,inordertoevaluatethetwootherimpactsprinklersofRC130HandVYR70,Ador-Sprinklersimulatingsoftwarewasusedandtheperformancesofmentionedsprinklerswereinvestigatedatthesameconditionofexperimentalsprinklers.Theresultsshowedthatthesquarearrangementofthefieldtestedsprinklerswithaverageuniformitycoefficientof74.45%hadthemaximumuniformitylevelandIRRILINE30showedthebestperformanceamongthesesprinklers.AccordingtosimulatingresultsofAdor-Sprinkler,thesquarearrangementforRC130HandrectangulararrangementforVYR70couldgainthemaximumuniformitycoefficientsof79.75%and82.73%,respectivelyandtheVYR70showedbetterperformanceincomparisonwiththeothertypeofsprinkler.GenerallytheoperationsofVYR35andVYR70sprinklerswerelessaffectedbywindspeedincrement.Accordingtotheresultedrelationshipsbetweentheuniformitycoefficientandwindspeed,itcanbestatedthatRC130HwasmoresensitivetowindspeedvariationthanVYR70.

【 授权许可】

Unknown