Influence of working pressure and spray nozzle on the distribution of spray liquid in manual backpack sprayers

Detalhes bibliográficos
Autor(a) principal: Marangoni, Alcides [UNESP]
Data de Publicação: 2021
Outros Autores: Da Costa Ferreira, Marcelo [UNESP]
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UNESP
Texto Completo: http://dx.doi.org/10.1590/1808-1657000442018
http://hdl.handle.net/11449/212037
Resumo: Manual backpack sprayers are widely used in rural properties in Brazil. However, studies that assess their working characteristics, especially spray tip models and working pressure conditions, are scarce. Thus, the aim of this study was to assess how much the working pressure and spray tips influence the distribution quality of phytosanitary spray solutions in manual backpack sprayers. Four spray nozzles (standard flat-fan Magnojet TP11002, turbo flat-fan TeeJet TT11002, hollow-cone TeeJet TXA8002, and disc-core) were assessed in a patternator table at 1, 2, 3, and 4 bar. Analyses of spray distribution profile were performed by symmetry and the coefficient of variation (CV) analysed by the Tukey’s test (p < 0.05). Spray tip models and working pressure influenced in more than 100% the distribution uniformity values of spray solution and in about 50% the useful range of the phytosanitary treatment. Among the models assessed in this study, the turbo flat-fan spray nozzle presents the best set of characteristics to be indicated for manual backpack sprayers aiming at field phytosanitary treatments.
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spelling Influence of working pressure and spray nozzle on the distribution of spray liquid in manual backpack sprayersInfluência da pressão e da ponta de pulverização na distribuição de caldas em pulverizadores costais manuaisdisc-core spray nozzleflat-fan spray nozzlehollow-cone spray nozzledisco difusor de cerâmicaponta de jato planoponta de jato cônicoManual backpack sprayers are widely used in rural properties in Brazil. However, studies that assess their working characteristics, especially spray tip models and working pressure conditions, are scarce. Thus, the aim of this study was to assess how much the working pressure and spray tips influence the distribution quality of phytosanitary spray solutions in manual backpack sprayers. Four spray nozzles (standard flat-fan Magnojet TP11002, turbo flat-fan TeeJet TT11002, hollow-cone TeeJet TXA8002, and disc-core) were assessed in a patternator table at 1, 2, 3, and 4 bar. Analyses of spray distribution profile were performed by symmetry and the coefficient of variation (CV) analysed by the Tukey’s test (p < 0.05). Spray tip models and working pressure influenced in more than 100% the distribution uniformity values of spray solution and in about 50% the useful range of the phytosanitary treatment. Among the models assessed in this study, the turbo flat-fan spray nozzle presents the best set of characteristics to be indicated for manual backpack sprayers aiming at field phytosanitary treatments.O uso de pulverizadores costais manuais no Brasil é amplamente disseminado em propriedades rurais. Entretanto, são escassos os trabalhos de pesquisa que avaliem as suas características de trabalho, sobretudo modelos de ponta de pulverização e condições de pressão de trabalho. Desta forma, o objetivo deste trabalho foi avaliar quanto os modelos de pontas e a pressão de trabalho influenciam na qualidade da distribuição de caldas fitos-sanitárias com pulverizadores costais manuais. Foram avaliados em mesa de deposição quatro modelos de pontas de pulverização (jato plano convencional Magnojet TP 11002; jato plano defletor Teejet TT 11002; jatos cônicos vazios TeeJet TXA 8002 e “chapinha” original), a 1, 2, 3 e 4 bar de pressão. As análises do perfil de distribuição dos jatos foram realizadas por simetria e o coeficiente de variação analisado pelo teste de Tukey (p < 0,05). Os modelos de pontas de pulverização e a pressão de trabalho influenciaram em mais de 100% os valores de uniformidade de distribuição da calda, e cerca de 50% na largura da faixa útil de tratamento fitos-sanitário. Dentre os modelos avaliados neste trabalho, o de jato defletor é o que apresenta o melhor conjunto de características para ser indicado a equipar os pulverizadores costais manuais para os tratamentos fitossanitários de campo.School of Agricultural and Veterinary Sciences, Universidade Estadual Paulista “Júlio de Mesquita Filho”School of Agricultural and Veterinary Sciences, Universidade Estadual Paulista “Júlio de Mesquita Filho”Instituto BiológicoUniversidade Estadual Paulista (Unesp)Marangoni, Alcides [UNESP]Da Costa Ferreira, Marcelo [UNESP]2021-07-14T10:33:33Z2021-07-14T10:33:33Z2019-12-2info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article-application/pdfhttp://dx.doi.org/10.1590/1808-1657000442018Arquivos do Instituto Biológico. Instituto Biológico, v. 86, p. -, 2019.0020-36531808-1657http://hdl.handle.net/11449/21203710.1590/1808-1657000442018S1808-16572019000100241S1808-16572019000100241.pdfSciELOreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengArquivos do Instituto Biológicoinfo:eu-repo/semantics/openAccess2024-01-03T06:18:33Zoai:repositorio.unesp.br:11449/212037Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-01-03T06:18:33Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false
dc.title.none.fl_str_mv Influence of working pressure and spray nozzle on the distribution of spray liquid in manual backpack sprayers
Influência da pressão e da ponta de pulverização na distribuição de caldas em pulverizadores costais manuais
title Influence of working pressure and spray nozzle on the distribution of spray liquid in manual backpack sprayers
spellingShingle Influence of working pressure and spray nozzle on the distribution of spray liquid in manual backpack sprayers
Marangoni, Alcides [UNESP]
disc-core spray nozzle
flat-fan spray nozzle
hollow-cone spray nozzle
disco difusor de cerâmica
ponta de jato plano
ponta de jato cônico
title_short Influence of working pressure and spray nozzle on the distribution of spray liquid in manual backpack sprayers
title_full Influence of working pressure and spray nozzle on the distribution of spray liquid in manual backpack sprayers
title_fullStr Influence of working pressure and spray nozzle on the distribution of spray liquid in manual backpack sprayers
title_full_unstemmed Influence of working pressure and spray nozzle on the distribution of spray liquid in manual backpack sprayers
title_sort Influence of working pressure and spray nozzle on the distribution of spray liquid in manual backpack sprayers
author Marangoni, Alcides [UNESP]
author_facet Marangoni, Alcides [UNESP]
Da Costa Ferreira, Marcelo [UNESP]
author_role author
author2 Da Costa Ferreira, Marcelo [UNESP]
author2_role author
dc.contributor.none.fl_str_mv Universidade Estadual Paulista (Unesp)
dc.contributor.author.fl_str_mv Marangoni, Alcides [UNESP]
Da Costa Ferreira, Marcelo [UNESP]
dc.subject.por.fl_str_mv disc-core spray nozzle
flat-fan spray nozzle
hollow-cone spray nozzle
disco difusor de cerâmica
ponta de jato plano
ponta de jato cônico
topic disc-core spray nozzle
flat-fan spray nozzle
hollow-cone spray nozzle
disco difusor de cerâmica
ponta de jato plano
ponta de jato cônico
description Manual backpack sprayers are widely used in rural properties in Brazil. However, studies that assess their working characteristics, especially spray tip models and working pressure conditions, are scarce. Thus, the aim of this study was to assess how much the working pressure and spray tips influence the distribution quality of phytosanitary spray solutions in manual backpack sprayers. Four spray nozzles (standard flat-fan Magnojet TP11002, turbo flat-fan TeeJet TT11002, hollow-cone TeeJet TXA8002, and disc-core) were assessed in a patternator table at 1, 2, 3, and 4 bar. Analyses of spray distribution profile were performed by symmetry and the coefficient of variation (CV) analysed by the Tukey’s test (p < 0.05). Spray tip models and working pressure influenced in more than 100% the distribution uniformity values of spray solution and in about 50% the useful range of the phytosanitary treatment. Among the models assessed in this study, the turbo flat-fan spray nozzle presents the best set of characteristics to be indicated for manual backpack sprayers aiming at field phytosanitary treatments.
publishDate 2021
dc.date.none.fl_str_mv 2019-12-2
2021-07-14T10:33:33Z
2021-07-14T10:33:33Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://dx.doi.org/10.1590/1808-1657000442018
Arquivos do Instituto Biológico. Instituto Biológico, v. 86, p. -, 2019.
0020-3653
1808-1657
http://hdl.handle.net/11449/212037
10.1590/1808-1657000442018
S1808-16572019000100241
S1808-16572019000100241.pdf
url http://dx.doi.org/10.1590/1808-1657000442018
http://hdl.handle.net/11449/212037
identifier_str_mv Arquivos do Instituto Biológico. Instituto Biológico, v. 86, p. -, 2019.
0020-3653
1808-1657
10.1590/1808-1657000442018
S1808-16572019000100241
S1808-16572019000100241.pdf
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Arquivos do Instituto Biológico
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv -
application/pdf
dc.publisher.none.fl_str_mv Instituto Biológico
publisher.none.fl_str_mv Instituto Biológico
dc.source.none.fl_str_mv SciELO
reponame:Repositório Institucional da UNESP
instname:Universidade Estadual Paulista (UNESP)
instacron:UNESP
instname_str Universidade Estadual Paulista (UNESP)
instacron_str UNESP
institution UNESP
reponame_str Repositório Institucional da UNESP
collection Repositório Institucional da UNESP
repository.name.fl_str_mv Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)
repository.mail.fl_str_mv
_version_ 1799965495101751296

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