Analysis of the influence of two turbulence models on the numerical results of a computational fluid dynamics simulation for the NACA 0012 airfoil profile at low speeds.

Detalhes bibliográficos
Autor(a) principal: Lima, Augusto Henrique de Miranda
Data de Publicação: 2024
Outros Autores: Rocha , Luiz Joaquim Cardoso
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFOP
dARK ID: ark:/61566/0013000004vrh
Texto Completo: https://www.repositorio.ufop.br/handle/123456789/19281
https://doi.org/10.35840/2631-5009/7566
Resumo: Computational Fluid Dynamics (CFD) techniques are currently an alternative or complementary approach to experimental tests in the field of fluid dynamics. Therefore, this article aims to numerically study the airflow around the NACA 0012 airfoil profile at low speeds using ANSYS® Fluent and two turbulence models (Spalart Allmaras and k-ε). The objective is to evaluate the coefficients of lift, drag, and pressure, as well as the lift to-drag ratio and turbulent wake distribution. The results were considered acceptable through experimental research by Abbott, et al. [1] and Ladson, et al. [2] and showed promising results (CL with an error margin below 5% and maximum aerodynamic efficiency L/D at α = 9°), although they are physically coherent but not as precise (CD demonstrated an error margin of 50%). It was also observed that the Spalart-Allmaras model exhibited better physical coherence in the turbulent wake distribution results compared to the k-ε model, indicating that the latter is not recommended for simulations subjected to adverse pressure gradients.
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spelling Analysis of the influence of two turbulence models on the numerical results of a computational fluid dynamics simulation for the NACA 0012 airfoil profile at low speeds.LiftDragSpalart-AllmarasComputational Fluid Dynamics (CFD) techniques are currently an alternative or complementary approach to experimental tests in the field of fluid dynamics. Therefore, this article aims to numerically study the airflow around the NACA 0012 airfoil profile at low speeds using ANSYS® Fluent and two turbulence models (Spalart Allmaras and k-ε). The objective is to evaluate the coefficients of lift, drag, and pressure, as well as the lift to-drag ratio and turbulent wake distribution. The results were considered acceptable through experimental research by Abbott, et al. [1] and Ladson, et al. [2] and showed promising results (CL with an error margin below 5% and maximum aerodynamic efficiency L/D at α = 9°), although they are physically coherent but not as precise (CD demonstrated an error margin of 50%). It was also observed that the Spalart-Allmaras model exhibited better physical coherence in the turbulent wake distribution results compared to the k-ε model, indicating that the latter is not recommended for simulations subjected to adverse pressure gradients.2024-12-05T19:38:32Z2024-12-05T19:38:32Z2024info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfLIMA, A. H. de M.; ROCHA, L. J. C. Analysis of the influence of two turbulence models on the numerical results of a computational fluid dynamics simulation for the NACA 0012 airfoil profile at low speeds. International Journal of Astronautics and Aeronautical Engineering, v. 9, artgio 066, 2024. Disponível em: <https://vibgyorpublishers.org/content/ijaae/ijaae-9-066.php>. Acesso em: 15 ago. 2024.2631-5009https://www.repositorio.ufop.br/handle/123456789/19281https://doi.org/10.35840/2631-5009/7566ark:/61566/0013000004vrhThis is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Fonte: PDF do artigo.info:eu-repo/semantics/openAccessLima, Augusto Henrique de MirandaRocha , Luiz Joaquim Cardosoengreponame:Repositório Institucional da UFOPinstname:Universidade Federal de Ouro Preto (UFOP)instacron:UFOP2024-12-05T19:38:37Zoai:repositorio.ufop.br:123456789/19281Repositório InstitucionalPUBhttp://www.repositorio.ufop.br/oai/requestrepositorio@ufop.edu.bropendoar:32332024-12-05T19:38:37Repositório Institucional da UFOP - Universidade Federal de Ouro Preto (UFOP)false
dc.title.none.fl_str_mv Analysis of the influence of two turbulence models on the numerical results of a computational fluid dynamics simulation for the NACA 0012 airfoil profile at low speeds.
title Analysis of the influence of two turbulence models on the numerical results of a computational fluid dynamics simulation for the NACA 0012 airfoil profile at low speeds.
spellingShingle Analysis of the influence of two turbulence models on the numerical results of a computational fluid dynamics simulation for the NACA 0012 airfoil profile at low speeds.
Lima, Augusto Henrique de Miranda
Lift
Drag
Spalart-Allmaras
title_short Analysis of the influence of two turbulence models on the numerical results of a computational fluid dynamics simulation for the NACA 0012 airfoil profile at low speeds.
title_full Analysis of the influence of two turbulence models on the numerical results of a computational fluid dynamics simulation for the NACA 0012 airfoil profile at low speeds.
title_fullStr Analysis of the influence of two turbulence models on the numerical results of a computational fluid dynamics simulation for the NACA 0012 airfoil profile at low speeds.
title_full_unstemmed Analysis of the influence of two turbulence models on the numerical results of a computational fluid dynamics simulation for the NACA 0012 airfoil profile at low speeds.
title_sort Analysis of the influence of two turbulence models on the numerical results of a computational fluid dynamics simulation for the NACA 0012 airfoil profile at low speeds.
author Lima, Augusto Henrique de Miranda
author_facet Lima, Augusto Henrique de Miranda
Rocha , Luiz Joaquim Cardoso
author_role author
author2 Rocha , Luiz Joaquim Cardoso
author2_role author
dc.contributor.author.fl_str_mv Lima, Augusto Henrique de Miranda
Rocha , Luiz Joaquim Cardoso
dc.subject.por.fl_str_mv Lift
Drag
Spalart-Allmaras
topic Lift
Drag
Spalart-Allmaras
description Computational Fluid Dynamics (CFD) techniques are currently an alternative or complementary approach to experimental tests in the field of fluid dynamics. Therefore, this article aims to numerically study the airflow around the NACA 0012 airfoil profile at low speeds using ANSYS® Fluent and two turbulence models (Spalart Allmaras and k-ε). The objective is to evaluate the coefficients of lift, drag, and pressure, as well as the lift to-drag ratio and turbulent wake distribution. The results were considered acceptable through experimental research by Abbott, et al. [1] and Ladson, et al. [2] and showed promising results (CL with an error margin below 5% and maximum aerodynamic efficiency L/D at α = 9°), although they are physically coherent but not as precise (CD demonstrated an error margin of 50%). It was also observed that the Spalart-Allmaras model exhibited better physical coherence in the turbulent wake distribution results compared to the k-ε model, indicating that the latter is not recommended for simulations subjected to adverse pressure gradients.
publishDate 2024
dc.date.none.fl_str_mv 2024-12-05T19:38:32Z
2024-12-05T19:38:32Z
2024
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 LIMA, A. H. de M.; ROCHA, L. J. C. Analysis of the influence of two turbulence models on the numerical results of a computational fluid dynamics simulation for the NACA 0012 airfoil profile at low speeds. International Journal of Astronautics and Aeronautical Engineering, v. 9, artgio 066, 2024. Disponível em: <https://vibgyorpublishers.org/content/ijaae/ijaae-9-066.php>. Acesso em: 15 ago. 2024.
2631-5009
https://www.repositorio.ufop.br/handle/123456789/19281
https://doi.org/10.35840/2631-5009/7566
dc.identifier.dark.fl_str_mv ark:/61566/0013000004vrh
identifier_str_mv LIMA, A. H. de M.; ROCHA, L. J. C. Analysis of the influence of two turbulence models on the numerical results of a computational fluid dynamics simulation for the NACA 0012 airfoil profile at low speeds. International Journal of Astronautics and Aeronautical Engineering, v. 9, artgio 066, 2024. Disponível em: <https://vibgyorpublishers.org/content/ijaae/ijaae-9-066.php>. Acesso em: 15 ago. 2024.
2631-5009
ark:/61566/0013000004vrh
url https://www.repositorio.ufop.br/handle/123456789/19281
https://doi.org/10.35840/2631-5009/7566
dc.language.iso.fl_str_mv eng
language eng
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.source.none.fl_str_mv reponame:Repositório Institucional da UFOP
instname:Universidade Federal de Ouro Preto (UFOP)
instacron:UFOP
instname_str Universidade Federal de Ouro Preto (UFOP)
instacron_str UFOP
institution UFOP
reponame_str Repositório Institucional da UFOP
collection Repositório Institucional da UFOP
repository.name.fl_str_mv Repositório Institucional da UFOP - Universidade Federal de Ouro Preto (UFOP)
repository.mail.fl_str_mv repositorio@ufop.edu.br
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