Basic density prediction of Eucalyptus sp. through the non-destructive ultrasound technique

Detalhes bibliográficos
Autor(a) principal: Carvalho, Romário Alves
Data de Publicação: 2023
Outros Autores: Silva, Gilson Fernandes da, inheiro, Christiano Jorge Gomes, Henriques, Wemerson Bruno, Faria, Manoel Filipe de Medeiros de
Tipo de documento: Artigo
Idioma: por
Título da fonte: Ciência Florestal (Online)
Texto Completo: https://periodicos.ufsm.br/cienciaflorestal/article/view/70092
Resumo: This work aimed to estimate the basic density of Eucalyptus sp. wood, using the non-destructive ultrasound technique. For this, 113 specimens with nominal dimensions of 2.5 x 2.5 x 57.5 cm (tangential x radial x longitudinal) were used, being in equilibrium humidity. To perform the density estimation, the three-dimensional model that governs the propagation of longitudinal waves in isotropic solids was used. The input variables of the model were determined, being the longitudinal modulus of elasticity by static bending, the Poisson's ratio by numerical methods and the propagation velocity of the ultrasound wave by a non-destructive ultrasound testing equipment. The basic density was also obtained by the hydrostatic balance method as a reference value. The actual average basic density was 595.40 kg.m-3 and the estimated one was 591.21 kg.m-3. The estimated value had a strong correlation with the observed value with r =0.89. The estimation by the three-dimensional model showed a low error with an RMSE of 6.50% and a bias of 0.59%. The estimation of the basic density using this method obtained good precision, being similar to the resistography technique.
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spelling Basic density prediction of Eucalyptus sp. through the non-destructive ultrasound techniquePredição da densidade básica de Eucalyptus sp. por meio da técnica não destrutiva de ultrassomAvaliação não destrutivaMadeiraOndasDensidadeNondestructive testingWoodWavesDensityThis work aimed to estimate the basic density of Eucalyptus sp. wood, using the non-destructive ultrasound technique. For this, 113 specimens with nominal dimensions of 2.5 x 2.5 x 57.5 cm (tangential x radial x longitudinal) were used, being in equilibrium humidity. To perform the density estimation, the three-dimensional model that governs the propagation of longitudinal waves in isotropic solids was used. The input variables of the model were determined, being the longitudinal modulus of elasticity by static bending, the Poisson's ratio by numerical methods and the propagation velocity of the ultrasound wave by a non-destructive ultrasound testing equipment. The basic density was also obtained by the hydrostatic balance method as a reference value. The actual average basic density was 595.40 kg.m-3 and the estimated one was 591.21 kg.m-3. The estimated value had a strong correlation with the observed value with r =0.89. The estimation by the three-dimensional model showed a low error with an RMSE of 6.50% and a bias of 0.59%. The estimation of the basic density using this method obtained good precision, being similar to the resistography technique.Este trabalho teve o objetivo de estimar a densidade básica da madeira de Eucalyptus sp., por meio da técnica não destrutiva de ultrassom. Para tal foram usados 113 corpos de provas com dimensões nominais de 2,5 x 2,5 x 57,5 cm (tangencial x radial x longitudinal), estando na umidade de equilíbrio. Para realizar a estimação da densidade, foi usado o modelo tridimensional que rege a propagação de ondas longitudinais em sólidos isotrópicos. Foram determinadas as variáveis de entrada do modelo, sendo o módulo de elasticidade longitudinal por flexão estática, o coeficiente de Poisson por métodos numéricos e a velocidade de propagação da onda de ultrassom por um equipamento de ensaios não destrutivos de ultrassom. Também foi obtida a densidade básica pelo método da balança hidrostática como valor de referência. A densidade básica média real foi de 595,40 kg.m-3 e a estimada de 591,21 kg.m-3. O valor estimado teve forte correlação com o valor observado com r = 0,89. A estimação pelo modelo tridimensional apresentou baixo erro com RMSE de 6,50% e viés de 0,59%. A estimação da densidade básica empregando este método obteve boa precisão, sendo semelhante à técnica de resistografia.Universidade Federal de Santa Maria2023-06-21info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://periodicos.ufsm.br/cienciaflorestal/article/view/7009210.5902/1980509870092Ciência Florestal; Vol. 33 No. 2 (2023): Publicação Contínua; e70092Ciência Florestal; v. 33 n. 2 (2023): Publicação Contínua; e700921980-50980103-9954reponame:Ciência Florestal (Online)instname:Universidade Federal de Santa Maria (UFSM)instacron:UFSMporhttps://periodicos.ufsm.br/cienciaflorestal/article/view/70092/61098Copyright (c) 2023 Ciência Florestalhttp://creativecommons.org/licenses/by-nc/4.0info:eu-repo/semantics/openAccessCarvalho, Romário AlvesSilva, Gilson Fernandes dainheiro, Christiano Jorge GomesHenriques, Wemerson BrunoFaria, Manoel Filipe de Medeiros de2023-07-21T03:50:28Zoai:ojs.pkp.sfu.ca:article/70092Revistahttp://www.ufsm.br/cienciaflorestal/ONGhttps://old.scielo.br/oai/scielo-oai.php||cienciaflorestal@ufsm.br|| cienciaflorestal@gmail.com|| cf@smail.ufsm.br1980-50980103-9954opendoar:2023-07-21T03:50:28Ciência Florestal (Online) - Universidade Federal de Santa Maria (UFSM)false
dc.title.none.fl_str_mv Basic density prediction of Eucalyptus sp. through the non-destructive ultrasound technique
Predição da densidade básica de Eucalyptus sp. por meio da técnica não destrutiva de ultrassom
title Basic density prediction of Eucalyptus sp. through the non-destructive ultrasound technique
spellingShingle Basic density prediction of Eucalyptus sp. through the non-destructive ultrasound technique
Carvalho, Romário Alves
Avaliação não destrutiva
Madeira
Ondas
Densidade
Nondestructive testing
Wood
Waves
Density
title_short Basic density prediction of Eucalyptus sp. through the non-destructive ultrasound technique
title_full Basic density prediction of Eucalyptus sp. through the non-destructive ultrasound technique
title_fullStr Basic density prediction of Eucalyptus sp. through the non-destructive ultrasound technique
title_full_unstemmed Basic density prediction of Eucalyptus sp. through the non-destructive ultrasound technique
title_sort Basic density prediction of Eucalyptus sp. through the non-destructive ultrasound technique
author Carvalho, Romário Alves
author_facet Carvalho, Romário Alves
Silva, Gilson Fernandes da
inheiro, Christiano Jorge Gomes
Henriques, Wemerson Bruno
Faria, Manoel Filipe de Medeiros de
author_role author
author2 Silva, Gilson Fernandes da
inheiro, Christiano Jorge Gomes
Henriques, Wemerson Bruno
Faria, Manoel Filipe de Medeiros de
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Carvalho, Romário Alves
Silva, Gilson Fernandes da
inheiro, Christiano Jorge Gomes
Henriques, Wemerson Bruno
Faria, Manoel Filipe de Medeiros de
dc.subject.por.fl_str_mv Avaliação não destrutiva
Madeira
Ondas
Densidade
Nondestructive testing
Wood
Waves
Density
topic Avaliação não destrutiva
Madeira
Ondas
Densidade
Nondestructive testing
Wood
Waves
Density
description This work aimed to estimate the basic density of Eucalyptus sp. wood, using the non-destructive ultrasound technique. For this, 113 specimens with nominal dimensions of 2.5 x 2.5 x 57.5 cm (tangential x radial x longitudinal) were used, being in equilibrium humidity. To perform the density estimation, the three-dimensional model that governs the propagation of longitudinal waves in isotropic solids was used. The input variables of the model were determined, being the longitudinal modulus of elasticity by static bending, the Poisson's ratio by numerical methods and the propagation velocity of the ultrasound wave by a non-destructive ultrasound testing equipment. The basic density was also obtained by the hydrostatic balance method as a reference value. The actual average basic density was 595.40 kg.m-3 and the estimated one was 591.21 kg.m-3. The estimated value had a strong correlation with the observed value with r =0.89. The estimation by the three-dimensional model showed a low error with an RMSE of 6.50% and a bias of 0.59%. The estimation of the basic density using this method obtained good precision, being similar to the resistography technique.
publishDate 2023
dc.date.none.fl_str_mv 2023-06-21
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://periodicos.ufsm.br/cienciaflorestal/article/view/70092
10.5902/1980509870092
url https://periodicos.ufsm.br/cienciaflorestal/article/view/70092
identifier_str_mv 10.5902/1980509870092
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv https://periodicos.ufsm.br/cienciaflorestal/article/view/70092/61098
dc.rights.driver.fl_str_mv Copyright (c) 2023 Ciência Florestal
http://creativecommons.org/licenses/by-nc/4.0
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Copyright (c) 2023 Ciência Florestal
http://creativecommons.org/licenses/by-nc/4.0
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Universidade Federal de Santa Maria
publisher.none.fl_str_mv Universidade Federal de Santa Maria
dc.source.none.fl_str_mv Ciência Florestal; Vol. 33 No. 2 (2023): Publicação Contínua; e70092
Ciência Florestal; v. 33 n. 2 (2023): Publicação Contínua; e70092
1980-5098
0103-9954
reponame:Ciência Florestal (Online)
instname:Universidade Federal de Santa Maria (UFSM)
instacron:UFSM
instname_str Universidade Federal de Santa Maria (UFSM)
instacron_str UFSM
institution UFSM
reponame_str Ciência Florestal (Online)
collection Ciência Florestal (Online)
repository.name.fl_str_mv Ciência Florestal (Online) - Universidade Federal de Santa Maria (UFSM)
repository.mail.fl_str_mv ||cienciaflorestal@ufsm.br|| cienciaflorestal@gmail.com|| cf@smail.ufsm.br
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