Changes on emitter discharge under different water temperature and pressure

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorAgricultural Structure and Irrigation Department-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorHydraulic and Irrigation Group-
Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.creatorSenyigit, Ulas-
Autor(es): dc.creatorCruz, Raimundo Leite-
Autor(es): dc.creatorRodriguez-Sinobas, Leonor-
Autor(es): dc.creatorSouza, Wanderley de Jesus-
Data de aceite: dc.date.accessioned2025-08-21T15:14:34Z-
Data de disponibilização: dc.date.available2025-08-21T15:14:34Z-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2012-01-01-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/227040-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/227040-
Descrição: dc.descriptionThe study was conducted at the Research Laboratory of Hydraulic and Irrigation Group in the Rural Engineering Department, Technical University of Madrid (Universidad Politecnica de Madrid), Madrid, Spain. Water temperatures of 20, 30, 40°C and system pressures often encountered in irrigation practices of 80, 90, 100, 110, 120, 130, 140, 150, 160, 170, 180, 190 and 200 kPa were applied to determine the effects of different water temperatures and pressures on emitter discharge. Non-pressure compensating in-line emitter which has turbulent flow regime with a long-path (labyrinth), emitter discharge was 4 L h-1 at system pressure of 100 kPa according to the manufacturer recommended, was used. Emitters were spaced 20 cm along the drip laterals with 16 mm diameter. Discharge equations and coefficients of variation related to temperatures of 20, 30 and 40°C were obtained as q = 0.375H0.51, q = 0.358H0.52, q = 0.346H0.53 and 2.68, 2.09, 3.65, respectively. Discharge of the emitter was affected by different system pressures and increased as potentially (R = 0993-0996). In general, the emitter discharge increased with increasing temperature. However, especially in the common system pressures of 90-120 kPa, differences of obtained emitter discharges between the different water temperatures were not significant (1%).-
Descrição: dc.descriptionSuleyman Demirel University Agricultural Faculty Agricultural Structure and Irrigation Department, 32260, Isparta-
Descrição: dc.descriptionUniversity of Estadual Paulista Júlio de Mesquita Filho Rural Engineering Department, 18603-970 Botucatu, Sao Paulo-
Descrição: dc.descriptionTechnical University of Madrid (Universidad Politecnica de Madrid) Rural Engineering Department Hydraulic and Irrigation Group, 28040, Madrid-
Descrição: dc.descriptionUniversity of Sao Paulo Department of Biosystem Engineering, 13418-900, Piracicaba, Sao Paulo-
Descrição: dc.descriptionUniversity of Estadual Paulista Júlio de Mesquita Filho Rural Engineering Department, 18603-970 Botucatu, Sao Paulo-
Formato: dc.format718-720-
Idioma: dc.languageen-
Relação: dc.relationJournal of Food, Agriculture and Environment-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectDischarge-
Palavras-chave: dc.subjectEmitter-
Palavras-chave: dc.subjectPressure-
Palavras-chave: dc.subjectTemperature-
Título: dc.titleChanges on emitter discharge under different water temperature and pressure-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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