Rugosidade absoluta em tubulações utilizadas para distribuição de água
Autor(a) principal: | |
---|---|
Data de Publicação: | 2021 |
Tipo de documento: | Tese |
Idioma: | por |
Título da fonte: | Manancial - Repositório Digital da UFSM |
Texto Completo: | http://repositorio.ufsm.br/handle/1/23341 |
Resumo: | For the design of hydraulic systems used for water distribution, it is necessary to quantify the continuous loss of load along the pipes, for example, by the Darcy-Weisbach (DW) and Hazen-Williams (HW) equations. For this, one of the variables that influences this process is the roughness of the surface of these pipes, which, often, do not have updated information and exact values for a correct sizing of the systems. An alternative to this is the measurement of the roughness of the surface by means of specialized instruments that determine several parameters of amplitude of the irregularities. The aim of this study was to determine and analyze the surface roughness parameters for pipes used in water distribution. The parameters Ra, Rq, Rsk, Rku Rc, Rp, Rv and Rt, in various diameters of materials such as PVC, welded steel, galvanized steel and polytubes will be evaluated. The tests will be conducted in the laboratory using the benchtop rugosimeter and portable rugosimeter. The results obtained showed significant difference in the roughness parameters between the nominal diameters of PVC pipes, welded steel, galvanized steel and polytubes, with the exception of the parameters Rku, Rsk, Rv and Rc in galvanized steel. For PVC tubes, the parameters indicated to represent the roughness were Rp, Ra and Rp in the respective diameters of 32, 50 and 75mm. For the welded steel material, in the diameters of 70.31, 93.75, 125, 200, 250, 300 and 350mm, the suggested parameters were, respectively, Rv, Rp, Rc, Rp, Rt, Rt and Rt. Already in galvanized steel, in the same diameters as welded steel, the parameters indicated were Rq, Rq, Ra, Ra, Ra, Rq and Rq. In polytubes with diameters 100, 130, 200, 450 and 460mm, the parameters Rv, Rt, Rsk, Rt and Rt, respectively, were the most appropriate. Regarding the equipment for measuring the roughness, the portable rugosimeter presented, in PVC tubes, favorable results to its use when compared to the benchtop rugosimeter. Analyzing equations of the head loss coefficient, the formulation of Brkić and Praks (2019) presented the smallest relative errors, with values below 0.01%, and the best adjustments in the statistical indices RMSE, PMARE, NSe and LMe, in relation to the Biberg (2017) and Vatanhkak (2018) equations, in all evaluated materials. Finally, an excellent adjustment was obtained for the head loss coefficients of the Darcy-Weisbach and Hazen-Williams equations, in all materials evaluated, which can be used accurately for Reynolds number values ranging between 4000 and 500000. |
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2021-12-16T14:42:10Z2021-12-16T14:42:10Z2021-07-23http://repositorio.ufsm.br/handle/1/23341For the design of hydraulic systems used for water distribution, it is necessary to quantify the continuous loss of load along the pipes, for example, by the Darcy-Weisbach (DW) and Hazen-Williams (HW) equations. For this, one of the variables that influences this process is the roughness of the surface of these pipes, which, often, do not have updated information and exact values for a correct sizing of the systems. An alternative to this is the measurement of the roughness of the surface by means of specialized instruments that determine several parameters of amplitude of the irregularities. The aim of this study was to determine and analyze the surface roughness parameters for pipes used in water distribution. The parameters Ra, Rq, Rsk, Rku Rc, Rp, Rv and Rt, in various diameters of materials such as PVC, welded steel, galvanized steel and polytubes will be evaluated. The tests will be conducted in the laboratory using the benchtop rugosimeter and portable rugosimeter. The results obtained showed significant difference in the roughness parameters between the nominal diameters of PVC pipes, welded steel, galvanized steel and polytubes, with the exception of the parameters Rku, Rsk, Rv and Rc in galvanized steel. For PVC tubes, the parameters indicated to represent the roughness were Rp, Ra and Rp in the respective diameters of 32, 50 and 75mm. For the welded steel material, in the diameters of 70.31, 93.75, 125, 200, 250, 300 and 350mm, the suggested parameters were, respectively, Rv, Rp, Rc, Rp, Rt, Rt and Rt. Already in galvanized steel, in the same diameters as welded steel, the parameters indicated were Rq, Rq, Ra, Ra, Ra, Rq and Rq. In polytubes with diameters 100, 130, 200, 450 and 460mm, the parameters Rv, Rt, Rsk, Rt and Rt, respectively, were the most appropriate. Regarding the equipment for measuring the roughness, the portable rugosimeter presented, in PVC tubes, favorable results to its use when compared to the benchtop rugosimeter. Analyzing equations of the head loss coefficient, the formulation of Brkić and Praks (2019) presented the smallest relative errors, with values below 0.01%, and the best adjustments in the statistical indices RMSE, PMARE, NSe and LMe, in relation to the Biberg (2017) and Vatanhkak (2018) equations, in all evaluated materials. Finally, an excellent adjustment was obtained for the head loss coefficients of the Darcy-Weisbach and Hazen-Williams equations, in all materials evaluated, which can be used accurately for Reynolds number values ranging between 4000 and 500000.Para o dimensionamento de sistemas hidráulicos utilizados para distribuição de água é necessário a quantificação da perda contínua de carga ao longo das tubulações, através, por exemplo, das equações de Darcy-Weisbach (DW) e Hazen-Williams (HW). Para isso, uma das variáveis que influencia nesse processo é a rugosidade da superfície dessas tubulações, a qual, muitas vezes, não se tem informações atualizadas e valores exatos para um correto dimensionamento dos sistemas. Uma alternativa a isso é a medição da rugosidade da superfície através de instrumentos especializados que determinam diversos parâmetros de amplitude das irregularidades. O objetivo desse estudo foi determinar e analisar os parâmetros de rugosidade da superfície para tubulações utilizadas na distribuição de água. Foram avaliados os parâmetros Ra, Rq, Rsk, Rku, Rc, Rp, Rv e Rt, em diversos diâmetros de materiais como o PVC, aço soldado, aço galvanizado e politubos. Os ensaios foram conduzidos em laboratório utilizando o rugosímetro de bancada e rugosímetro portátil. Os resultados obtidos evidenciaram diferenças significativas dos parâmetros de rugosidade entre os diâmetros nominais de tubos de PVC, aço soldado, aço galvanizado e politubos, com exceção dos parâmetros Rku, Rsk, Rv e Rc no aço galvanizado. Para tubos de PVC, os parâmetros indicados para representar a rugosidade foram Rp, Ra e Rp nos respectivos diâmetros de 32, 50 e 75mm. Para o material aço soldado, nos diâmetros de 70,31, 93,75, 125, 200, 250, 300 e 350mm, os parâmetros sugeridos foram, respectivamente, Rv, Rp, Rc, Rp, Rt, Rt e Rt. Já para o aço galvanizado, nos mesmos diâmetros do aço soldado, os parâmetros indicados foram Rq, Rq, Ra, Ra, Ra, Rq e Rq. Nos politubos de diâmetros 100, 130, 200, 450 e 460mm, os parâmetros Rv, Rt, Rsk, Rt e Rt, respectivamente foram os mais adequados. Em relação aos equipamentos de medição da rugosidade, o rugosímetro portátil apresentou, em tubos de PVC, resultados favoráveis ao seu uso quando comparado ao rugosímetro de bancada. Analisando equações do coeficiente de perda de carga, a formulação de Brkić e Praks (2019) apresentou os menores erros relativos, com valores inferiores a 0,01%, e melhores ajustes nos índices estatísticos RMSE, PMARE, NSe e LMe, em relação as equações de Biberg (2017) e Vatanhkak (2018), em todos os materiais avaliados. E, por fim, obteve-se excelente ajuste para os coeficientes de perda de carga das equações de Darcy-Weisbach e de Hazen-Williams, em todos os materiais avaliados, podendo ser utilizados com precisão para valores do número de Reynolds variando entre 4000 e 500000.Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPESporUniversidade Federal de Santa MariaCentro de Ciências RuraisPrograma de Pós-Graduação em Engenharia AgrícolaUFSMBrasilEngenharia AgrícolaAttribution-NonCommercial-NoDerivatives 4.0 Internationalhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessPerda contínua de cargaParâmetros da rugosidade de superfícieRugosímetrosHazen-WilliamsDarcy-WeisbachContinuous loss of loadSurface roughness parametersRugosimetersCNPQ::CIENCIAS AGRARIAS::ENGENHARIA AGRICOLARugosidade absoluta em tubulações utilizadas para distribuição de águaAbsolute roughness in pipes used for water distributioninfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/doctoralThesisRobaina, Adroaldo Diashttp://lattes.cnpq.br/8629241691140049Peiter, Marcia Xavierhttp://lattes.cnpq.br/4072803412132476Frizzone, Jose AntônioRocha, Hermes Soares daSchons, Ricardo LuisSobenko, Luiz Ricardohttp://lattes.cnpq.br/4356461032499240Pimenta, Bruna Dalcin500300000008600600600600600600600600a461031e-e4dd-4408-ac4e-e2eea463cc6142ceb10f-44cd-4260-867b-a18cbe464bd764137f39-49b9-457c-8a82-0be35262315c02dfdc1e-0dfa-4076-8df9-15e02c549682755cbda7-21ee-4e31-bc2b-9b555abbc018df7580f9-7c09-4b69-8f62-e085734af073304e3ef1-3115-48da-bbe6-47b585231b6creponame:Manancial - Repositório Digital da UFSMinstname:Universidade Federal de Santa Maria (UFSM)instacron:UFSMORIGINALTES_PPGEA_2021_PIMENTA_BRUNA.pdfTES_PPGEA_2021_PIMENTA_BRUNA.pdfTese de doutoradoapplication/pdf5687380http://repositorio.ufsm.br/bitstream/1/23341/1/TES_PPGEA_2021_PIMENTA_BRUNA.pdfda4779d85ab407affdf9d2f16d03a364MD51CC-LICENSElicense_rdflicense_rdfapplication/rdf+xml; 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dc.title.por.fl_str_mv |
Rugosidade absoluta em tubulações utilizadas para distribuição de água |
dc.title.alternative.eng.fl_str_mv |
Absolute roughness in pipes used for water distribution |
title |
Rugosidade absoluta em tubulações utilizadas para distribuição de água |
spellingShingle |
Rugosidade absoluta em tubulações utilizadas para distribuição de água Pimenta, Bruna Dalcin Perda contínua de carga Parâmetros da rugosidade de superfície Rugosímetros Hazen-Williams Darcy-Weisbach Continuous loss of load Surface roughness parameters Rugosimeters CNPQ::CIENCIAS AGRARIAS::ENGENHARIA AGRICOLA |
title_short |
Rugosidade absoluta em tubulações utilizadas para distribuição de água |
title_full |
Rugosidade absoluta em tubulações utilizadas para distribuição de água |
title_fullStr |
Rugosidade absoluta em tubulações utilizadas para distribuição de água |
title_full_unstemmed |
Rugosidade absoluta em tubulações utilizadas para distribuição de água |
title_sort |
Rugosidade absoluta em tubulações utilizadas para distribuição de água |
author |
Pimenta, Bruna Dalcin |
author_facet |
Pimenta, Bruna Dalcin |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Robaina, Adroaldo Dias |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/8629241691140049 |
dc.contributor.advisor-co1.fl_str_mv |
Peiter, Marcia Xavier |
dc.contributor.advisor-co1Lattes.fl_str_mv |
http://lattes.cnpq.br/4072803412132476 |
dc.contributor.referee1.fl_str_mv |
Frizzone, Jose Antônio |
dc.contributor.referee2.fl_str_mv |
Rocha, Hermes Soares da |
dc.contributor.referee3.fl_str_mv |
Schons, Ricardo Luis |
dc.contributor.referee4.fl_str_mv |
Sobenko, Luiz Ricardo |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/4356461032499240 |
dc.contributor.author.fl_str_mv |
Pimenta, Bruna Dalcin |
contributor_str_mv |
Robaina, Adroaldo Dias Peiter, Marcia Xavier Frizzone, Jose Antônio Rocha, Hermes Soares da Schons, Ricardo Luis Sobenko, Luiz Ricardo |
dc.subject.por.fl_str_mv |
Perda contínua de carga Parâmetros da rugosidade de superfície Rugosímetros Hazen-Williams Darcy-Weisbach |
topic |
Perda contínua de carga Parâmetros da rugosidade de superfície Rugosímetros Hazen-Williams Darcy-Weisbach Continuous loss of load Surface roughness parameters Rugosimeters CNPQ::CIENCIAS AGRARIAS::ENGENHARIA AGRICOLA |
dc.subject.eng.fl_str_mv |
Continuous loss of load Surface roughness parameters Rugosimeters |
dc.subject.cnpq.fl_str_mv |
CNPQ::CIENCIAS AGRARIAS::ENGENHARIA AGRICOLA |
description |
For the design of hydraulic systems used for water distribution, it is necessary to quantify the continuous loss of load along the pipes, for example, by the Darcy-Weisbach (DW) and Hazen-Williams (HW) equations. For this, one of the variables that influences this process is the roughness of the surface of these pipes, which, often, do not have updated information and exact values for a correct sizing of the systems. An alternative to this is the measurement of the roughness of the surface by means of specialized instruments that determine several parameters of amplitude of the irregularities. The aim of this study was to determine and analyze the surface roughness parameters for pipes used in water distribution. The parameters Ra, Rq, Rsk, Rku Rc, Rp, Rv and Rt, in various diameters of materials such as PVC, welded steel, galvanized steel and polytubes will be evaluated. The tests will be conducted in the laboratory using the benchtop rugosimeter and portable rugosimeter. The results obtained showed significant difference in the roughness parameters between the nominal diameters of PVC pipes, welded steel, galvanized steel and polytubes, with the exception of the parameters Rku, Rsk, Rv and Rc in galvanized steel. For PVC tubes, the parameters indicated to represent the roughness were Rp, Ra and Rp in the respective diameters of 32, 50 and 75mm. For the welded steel material, in the diameters of 70.31, 93.75, 125, 200, 250, 300 and 350mm, the suggested parameters were, respectively, Rv, Rp, Rc, Rp, Rt, Rt and Rt. Already in galvanized steel, in the same diameters as welded steel, the parameters indicated were Rq, Rq, Ra, Ra, Ra, Rq and Rq. In polytubes with diameters 100, 130, 200, 450 and 460mm, the parameters Rv, Rt, Rsk, Rt and Rt, respectively, were the most appropriate. Regarding the equipment for measuring the roughness, the portable rugosimeter presented, in PVC tubes, favorable results to its use when compared to the benchtop rugosimeter. Analyzing equations of the head loss coefficient, the formulation of Brkić and Praks (2019) presented the smallest relative errors, with values below 0.01%, and the best adjustments in the statistical indices RMSE, PMARE, NSe and LMe, in relation to the Biberg (2017) and Vatanhkak (2018) equations, in all evaluated materials. Finally, an excellent adjustment was obtained for the head loss coefficients of the Darcy-Weisbach and Hazen-Williams equations, in all materials evaluated, which can be used accurately for Reynolds number values ranging between 4000 and 500000. |
publishDate |
2021 |
dc.date.accessioned.fl_str_mv |
2021-12-16T14:42:10Z |
dc.date.available.fl_str_mv |
2021-12-16T14:42:10Z |
dc.date.issued.fl_str_mv |
2021-07-23 |
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.uri.fl_str_mv |
http://repositorio.ufsm.br/handle/1/23341 |
url |
http://repositorio.ufsm.br/handle/1/23341 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.cnpq.fl_str_mv |
500300000008 |
dc.relation.confidence.fl_str_mv |
600 600 600 600 600 600 600 600 |
dc.relation.authority.fl_str_mv |
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dc.rights.driver.fl_str_mv |
Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/ info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/ |
eu_rights_str_mv |
openAccess |
dc.publisher.none.fl_str_mv |
Universidade Federal de Santa Maria Centro de Ciências Rurais |
dc.publisher.program.fl_str_mv |
Programa de Pós-Graduação em Engenharia Agrícola |
dc.publisher.initials.fl_str_mv |
UFSM |
dc.publisher.country.fl_str_mv |
Brasil |
dc.publisher.department.fl_str_mv |
Engenharia Agrícola |
publisher.none.fl_str_mv |
Universidade Federal de Santa Maria Centro de Ciências Rurais |
dc.source.none.fl_str_mv |
reponame:Manancial - Repositório Digital da UFSM instname:Universidade Federal de Santa Maria (UFSM) instacron:UFSM |
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Universidade Federal de Santa Maria (UFSM) |
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UFSM |
institution |
UFSM |
reponame_str |
Manancial - Repositório Digital da UFSM |
collection |
Manancial - Repositório Digital da UFSM |
bitstream.url.fl_str_mv |
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bitstream.checksum.fl_str_mv |
da4779d85ab407affdf9d2f16d03a364 4460e5956bc1d1639be9ae6146a50347 2f0571ecee68693bd5cd3f17c1e075df 87e1b42e726465cb1fc501fc8abd09be 61b1c98104981fa11938ae5ee1041080 |
bitstream.checksumAlgorithm.fl_str_mv |
MD5 MD5 MD5 MD5 MD5 |
repository.name.fl_str_mv |
Manancial - Repositório Digital da UFSM - Universidade Federal de Santa Maria (UFSM) |
repository.mail.fl_str_mv |
|
_version_ |
1801223681825832960 |