Efeito da salinidade e temperatura da água no desempenho hidráulico de fitas gotejadoras em condições laboratoriais
Autor(a) principal: | |
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Data de Publicação: | 2017 |
Tipo de documento: | Tese |
Idioma: | por |
Título da fonte: | Biblioteca Digital de Teses e Dissertações da UFERSA |
Texto Completo: | https://repositorio.ufersa.edu.br/handle/tede/808 |
Resumo: | Drip irrigation system in the radiation area of the agricultural crop in order to provide that a partner of the soil is close to the field capacity. In this irrigation system as dripping tapes are exposed to physical-chemical and microbiological agents that increase the appearance of emitter obstruction, reducing the operational life cycle of the system that operate with water of inferior quality. The objective of this study was to study the variation of irrigation water temperature and salinity as factors that contribute to the process of obstruction of the tapes, reducing its useful life, control solution of flow rate uniformity of the emitters of the drip tapes under laboratory conditions. For this, an experimental bench was set up not Laboratory of Machine Instrumentation and Agricultural Mechanization of the Universidade Federal Rural do Semi-Árido, in Mossoró-RN; Where the experimental tests were carried out with three types of drip tapes operated under controlled conditions of temperature, water salinity and service pressure. The experimental bench has the following dimensions: 1,50m x 3,50m (width and length), height of 1,00 m and 1,20 m (low point and highest point respectively). On the same saw, fixed four fiber cement tiles in an area of 0.90 m x 3.00 m (width and length), with slope of 8% and at its base to insert a collecting trough connected to the ground water reservoir of 0.10m3. To allow a recirculation of the test water, a 1/4 hp centrifugal pump was used. Four lines of tapes with three meters of length were used in the workbench, which were submitted to short test cycles, established at 100, 250, 500 and 750 hours of operation and water temperature of 20 and 30ºC. To control the temperature of the water with the heating system with power of 2.00 kW and cooling of 7.04 kW. The electrical conductivity of water ranged from 0.52 dS m-1 to 2.56 dS m-1. After the end of each cycle of operation, samples of the tapes were collected for scanning electron microscopy of the holes and internal walls. The flow rate and the Distribution Uniformity Coefficient were used to monitor the hydraulic performance of the drip tapes. The results indicated that the increase of salinity of the irrigation water resulted in a decrease in the flow rate of the drip irrigation system, without causing a change in the classification of the Distribution Uniformity Coefficient. Water quality analyzes indicated a potential risk for soil sodification. The increase in temperature and salinity increased the formation of microorganisms and precipitates of calcium, resulting in increased frequency of maintenance in the system |
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Silva, Suedêmio de LimaBatista, Rafael Oliveirahttp://lattes.cnpq.br/6747258062404427Marques, Blake Charles Dinizhttp://lattes.cnpq.br/5697026315809928Coelho, Daniela da Costa Leitehttp://lattes.cnpq.br/2826359344539740Silva, Ketson Bruno dahttp://lattes.cnpq.br/655745551718211701040130445http://lattes.cnpq.br/9266896874338922http://lattes.cnpq.br/6113069815332176Cunha, Jorge Luiz de Oliveira2017-09-11T16:29:54Z2017-07-28CUNHA, Jorge Luiz de Oliveira. Efeito da salinidade e temperatura da água no desempenho hidráulico de fitas gotejadoras em condições laboratoriais. 2017. 73 f. Tese (Doutorado em Manejo de Solo e Água) - Universidade Federal Rural do Semi-Árido, Mossoró, 2017.https://repositorio.ufersa.edu.br/handle/tede/808Drip irrigation system in the radiation area of the agricultural crop in order to provide that a partner of the soil is close to the field capacity. In this irrigation system as dripping tapes are exposed to physical-chemical and microbiological agents that increase the appearance of emitter obstruction, reducing the operational life cycle of the system that operate with water of inferior quality. The objective of this study was to study the variation of irrigation water temperature and salinity as factors that contribute to the process of obstruction of the tapes, reducing its useful life, control solution of flow rate uniformity of the emitters of the drip tapes under laboratory conditions. For this, an experimental bench was set up not Laboratory of Machine Instrumentation and Agricultural Mechanization of the Universidade Federal Rural do Semi-Árido, in Mossoró-RN; Where the experimental tests were carried out with three types of drip tapes operated under controlled conditions of temperature, water salinity and service pressure. The experimental bench has the following dimensions: 1,50m x 3,50m (width and length), height of 1,00 m and 1,20 m (low point and highest point respectively). On the same saw, fixed four fiber cement tiles in an area of 0.90 m x 3.00 m (width and length), with slope of 8% and at its base to insert a collecting trough connected to the ground water reservoir of 0.10m3. To allow a recirculation of the test water, a 1/4 hp centrifugal pump was used. Four lines of tapes with three meters of length were used in the workbench, which were submitted to short test cycles, established at 100, 250, 500 and 750 hours of operation and water temperature of 20 and 30ºC. To control the temperature of the water with the heating system with power of 2.00 kW and cooling of 7.04 kW. The electrical conductivity of water ranged from 0.52 dS m-1 to 2.56 dS m-1. After the end of each cycle of operation, samples of the tapes were collected for scanning electron microscopy of the holes and internal walls. The flow rate and the Distribution Uniformity Coefficient were used to monitor the hydraulic performance of the drip tapes. The results indicated that the increase of salinity of the irrigation water resulted in a decrease in the flow rate of the drip irrigation system, without causing a change in the classification of the Distribution Uniformity Coefficient. Water quality analyzes indicated a potential risk for soil sodification. The increase in temperature and salinity increased the formation of microorganisms and precipitates of calcium, resulting in increased frequency of maintenance in the systemNo sistema de irrigação localizada por gotejamento á água é aplicada em baixa intensidade e alta frequência na região radicular da cultura agrícola de forma a propiciar que a umidade do solo esteja próxima à capacidade de campo. Neste sistema de irrigação as fitas gotejadoras são expostas a agentes físico-químicas e microbiológicas que potencializam o surgimento de obstrução dos emissores, reduzindo o ciclo de vida operacional do sistema que operam com água de qualidade inferior. O presente trabalho objetivou estudar a variação da temperatura e salinidade da água de irrigação como fatores que contribuem para o processo de obstrução das fitas gotejadoras, reduzindo sua vida útil, sob os parâmetros de redução da uniformidade da vazão dos emissores das fitas gotejadoras em condições laboratoriais. Para isto, montou-se uma bancada experimental no Laboratório de Instrumentação de Máquinas e Mecanização Agrícola da Universidade Federal Rural do Semi-Árido, em Mossoró-RN; onde foram realizados os ensaios experimentais com três tipos de fitas gotejadoras operadas em condições controladas de temperatura, salinidade da água e pressão de serviço. A bancada experimental apresenta as seguintes dimensões 1,50m x 3,50m (largura e comprimento), altura de 1,00m e 1,20m (ponto maio baixo e ponto mais elevado respectivamente). Sobre a mesma foram fixadas quatro telhas de fibrocimento numa área de 0,90m x 3,00m (largura e comprimento), com declividade de 8% e na sua base foi inserida uma calha coletora conectada ao reservatório térreo de 0,10m3. Para permitir a recirculação da água do ensaio foi utilizado um conjunto motobomba centrífuga de 1/4cv. Na bancada foram utilizadas quatro linhas de fitas gotejadoras com três metros de comprimento cada, sendo estas submetidas a ciclos de ensaios de curta e longa duração, estabelecido em 100, 250, 500 e 750 h de operação, e temperatura da água de 20 e 30ºC. Para o controle da temperatura da água foi utilizado sistema de aquecimento com potência de 2,00 kW e refrigeração de 7,04 kW. A condutividade elétrica da água variou de 0,52 dS m-1 a 2,56 dS m-1. Após o término de cada ciclo de operação foram coletadas amostras das fitas para a realização de microscopia eletrônica de varredura dos orifícios e paredes internas. Empregou-se a vazão e o Coeficiente de Uniformidade de Distribuição no monitoramento do desempenho hidráulico das fitas gotejadoras. Os resultados obtidos indicaram que o aumento da salinidade da água de irrigação acarretou o decréscimo da vazão do sistema de irrigação localizada por gotejamento, sem ocasionar alteração da classificação do Coeficiente de Uniformidade de Distribuição. As análises da qualidade da água indicaram risco potencial para sodificação do solo. O aumento da temperatura e salinidade potencializou a formação de microrganismos e precipitados de cálcio, resultando no aumento da frequência de manutenções no sistemaCoordenação de Aperfeiçoamento de Pessoal de Nível Superior2017-09-11application/pdfhttp://repositorio.ufersa.edu.br/retrieve/2147/JorgeLOC_TESE.pdf.jpgporUniversidade Federal Rural do Semi-ÁridoPrograma de Pós-Graduação em Manejo de Solo e ÁguaUFERSABrasilCC-BY-SAinfo:eu-repo/semantics/openAccessEntupimentoIncrustaçãoAlteração de vazãoCloggingEmbeddingChange of flowCNPQ::CIENCIAS AGRARIAS::AGRONOMIAEfeito da salinidade e temperatura da água no desempenho hidráulico de fitas gotejadoras em condições laboratoriaisinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/doctoralThesisreponame:Biblioteca Digital de Teses e Dissertações da UFERSAinstname:Universidade Federal Rural do Semi-Árido (UFERSA)instacron:UFERSAORIGINALJorgeLOC_TESE.pdfJorgeLOC_TESE.pdfapplication/pdf1815389https://repositorio.ufersa.edu.br//bitstream/tede/808/1/JorgeLOC_TESE.pdfe1806d37e3ce1f16a7256649edcda60bMD51LICENSElicense.txtlicense.txttext/plain; charset=utf-82165https://repositorio.ufersa.edu.br//bitstream/tede/808/2/license.txtbd3efa91386c1718a7f26a329fdcb468MD52TEXTJorgeLOC_TESE.pdf.txtJorgeLOC_TESE.pdf.txtExtracted Texttext/plain133337https://repositorio.ufersa.edu.br//bitstream/tede/808/3/JorgeLOC_TESE.pdf.txtf234cc85423d787d11c8f54aeee5d8a8MD53THUMBNAILJorgeLOC_TESE.pdf.jpgJorgeLOC_TESE.pdf.jpgGenerated Thumbnailimage/jpeg3204https://repositorio.ufersa.edu.br//bitstream/tede/808/4/JorgeLOC_TESE.pdf.jpgc6f63d30a04884bddae075df497af6c5MD54tede/8082022-06-03 12:53:29.011oai:repositorio.ufersa.edu.br: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Biblioteca Digital de Teses e Dissertaçõeshttps://repositorio.ufersa.edu.br/PUBhttp://bdtd.ufersa.edu.br/oai/requestdirecaosisbi@ufersa.edu.br|| direcaosisbi@ufersa.edu.bropendoar:2022-06-03T15:53:29Biblioteca Digital de Teses e Dissertações da UFERSA - Universidade Federal Rural do Semi-Árido (UFERSA)false |
dc.title.por.fl_str_mv |
Efeito da salinidade e temperatura da água no desempenho hidráulico de fitas gotejadoras em condições laboratoriais |
title |
Efeito da salinidade e temperatura da água no desempenho hidráulico de fitas gotejadoras em condições laboratoriais |
spellingShingle |
Efeito da salinidade e temperatura da água no desempenho hidráulico de fitas gotejadoras em condições laboratoriais Cunha, Jorge Luiz de Oliveira Entupimento Incrustação Alteração de vazão Clogging Embedding Change of flow CNPQ::CIENCIAS AGRARIAS::AGRONOMIA |
title_short |
Efeito da salinidade e temperatura da água no desempenho hidráulico de fitas gotejadoras em condições laboratoriais |
title_full |
Efeito da salinidade e temperatura da água no desempenho hidráulico de fitas gotejadoras em condições laboratoriais |
title_fullStr |
Efeito da salinidade e temperatura da água no desempenho hidráulico de fitas gotejadoras em condições laboratoriais |
title_full_unstemmed |
Efeito da salinidade e temperatura da água no desempenho hidráulico de fitas gotejadoras em condições laboratoriais |
title_sort |
Efeito da salinidade e temperatura da água no desempenho hidráulico de fitas gotejadoras em condições laboratoriais |
author |
Cunha, Jorge Luiz de Oliveira |
author_facet |
Cunha, Jorge Luiz de Oliveira |
author_role |
author |
dc.contributor.authorID.por.fl_str_mv |
01040130445 |
dc.contributor.authorLattes.por.fl_str_mv |
http://lattes.cnpq.br/9266896874338922 |
dc.contributor.advisorLattes.por.fl_str_mv |
http://lattes.cnpq.br/6113069815332176 |
dc.contributor.advisor1.fl_str_mv |
Silva, Suedêmio de Lima |
dc.contributor.advisor-co1.fl_str_mv |
Batista, Rafael Oliveira |
dc.contributor.advisor-co1Lattes.fl_str_mv |
http://lattes.cnpq.br/6747258062404427 |
dc.contributor.referee1.fl_str_mv |
Marques, Blake Charles Diniz |
dc.contributor.referee1Lattes.fl_str_mv |
http://lattes.cnpq.br/5697026315809928 |
dc.contributor.referee2.fl_str_mv |
Coelho, Daniela da Costa Leite |
dc.contributor.referee2Lattes.fl_str_mv |
http://lattes.cnpq.br/2826359344539740 |
dc.contributor.referee3.fl_str_mv |
Silva, Ketson Bruno da |
dc.contributor.referee3Lattes.fl_str_mv |
http://lattes.cnpq.br/6557455517182117 |
dc.contributor.author.fl_str_mv |
Cunha, Jorge Luiz de Oliveira |
contributor_str_mv |
Silva, Suedêmio de Lima Batista, Rafael Oliveira Marques, Blake Charles Diniz Coelho, Daniela da Costa Leite Silva, Ketson Bruno da |
dc.subject.por.fl_str_mv |
Entupimento Incrustação Alteração de vazão Clogging Embedding Change of flow |
topic |
Entupimento Incrustação Alteração de vazão Clogging Embedding Change of flow CNPQ::CIENCIAS AGRARIAS::AGRONOMIA |
dc.subject.cnpq.fl_str_mv |
CNPQ::CIENCIAS AGRARIAS::AGRONOMIA |
description |
Drip irrigation system in the radiation area of the agricultural crop in order to provide that a partner of the soil is close to the field capacity. In this irrigation system as dripping tapes are exposed to physical-chemical and microbiological agents that increase the appearance of emitter obstruction, reducing the operational life cycle of the system that operate with water of inferior quality. The objective of this study was to study the variation of irrigation water temperature and salinity as factors that contribute to the process of obstruction of the tapes, reducing its useful life, control solution of flow rate uniformity of the emitters of the drip tapes under laboratory conditions. For this, an experimental bench was set up not Laboratory of Machine Instrumentation and Agricultural Mechanization of the Universidade Federal Rural do Semi-Árido, in Mossoró-RN; Where the experimental tests were carried out with three types of drip tapes operated under controlled conditions of temperature, water salinity and service pressure. The experimental bench has the following dimensions: 1,50m x 3,50m (width and length), height of 1,00 m and 1,20 m (low point and highest point respectively). On the same saw, fixed four fiber cement tiles in an area of 0.90 m x 3.00 m (width and length), with slope of 8% and at its base to insert a collecting trough connected to the ground water reservoir of 0.10m3. To allow a recirculation of the test water, a 1/4 hp centrifugal pump was used. Four lines of tapes with three meters of length were used in the workbench, which were submitted to short test cycles, established at 100, 250, 500 and 750 hours of operation and water temperature of 20 and 30ºC. To control the temperature of the water with the heating system with power of 2.00 kW and cooling of 7.04 kW. The electrical conductivity of water ranged from 0.52 dS m-1 to 2.56 dS m-1. After the end of each cycle of operation, samples of the tapes were collected for scanning electron microscopy of the holes and internal walls. The flow rate and the Distribution Uniformity Coefficient were used to monitor the hydraulic performance of the drip tapes. The results indicated that the increase of salinity of the irrigation water resulted in a decrease in the flow rate of the drip irrigation system, without causing a change in the classification of the Distribution Uniformity Coefficient. Water quality analyzes indicated a potential risk for soil sodification. The increase in temperature and salinity increased the formation of microorganisms and precipitates of calcium, resulting in increased frequency of maintenance in the system |
publishDate |
2017 |
dc.date.accessioned.fl_str_mv |
2017-09-11T16:29:54Z |
dc.date.issued.fl_str_mv |
2017-07-28 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/doctoralThesis |
format |
doctoralThesis |
status_str |
publishedVersion |
dc.identifier.citation.fl_str_mv |
CUNHA, Jorge Luiz de Oliveira. Efeito da salinidade e temperatura da água no desempenho hidráulico de fitas gotejadoras em condições laboratoriais. 2017. 73 f. Tese (Doutorado em Manejo de Solo e Água) - Universidade Federal Rural do Semi-Árido, Mossoró, 2017. |
dc.identifier.uri.fl_str_mv |
https://repositorio.ufersa.edu.br/handle/tede/808 |
identifier_str_mv |
CUNHA, Jorge Luiz de Oliveira. Efeito da salinidade e temperatura da água no desempenho hidráulico de fitas gotejadoras em condições laboratoriais. 2017. 73 f. Tese (Doutorado em Manejo de Solo e Água) - Universidade Federal Rural do Semi-Árido, Mossoró, 2017. |
url |
https://repositorio.ufersa.edu.br/handle/tede/808 |
dc.language.iso.fl_str_mv |
por |
language |
por |
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CC-BY-SA info:eu-repo/semantics/openAccess |
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CC-BY-SA |
eu_rights_str_mv |
openAccess |
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application/pdf |
dc.publisher.none.fl_str_mv |
Universidade Federal Rural do Semi-Árido |
dc.publisher.program.fl_str_mv |
Programa de Pós-Graduação em Manejo de Solo e Água |
dc.publisher.initials.fl_str_mv |
UFERSA |
dc.publisher.country.fl_str_mv |
Brasil |
publisher.none.fl_str_mv |
Universidade Federal Rural do Semi-Árido |
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MD5 MD5 MD5 MD5 |
repository.name.fl_str_mv |
Biblioteca Digital de Teses e Dissertações da UFERSA - Universidade Federal Rural do Semi-Árido (UFERSA) |
repository.mail.fl_str_mv |
direcaosisbi@ufersa.edu.br|| direcaosisbi@ufersa.edu.br |
_version_ |
1766778976092553216 |