Published

2016-01-01

Independencia de malla en tubos torsionados para intercambio de calor: caso de estudio

Mesh independence in twisted tubes for heat exchange: case study

DOI:

https://doi.org/10.15446/rev.fac.cienc.v5n1.54231

Keywords:

Análisis numérico, convergencia, Ingeniería asistida por computador, mallado, modelado 3D (es)
3D modelling, computer aided engineering, convergence, mesh generation, Numerical analysis (en)

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Authors

  • Juan Gonzalo Ardila Marín Instituto Tecnológico Metropolitano
  • Diego Andrés Hincapié Zuluaga Instituto Tecnológico Metropolitano
  • Jorge Andrés Sierra del Rïo Instituto Tecnológico Metropolitano
La dinámica de fluidos computacional (Computational Fluids Dynamics – CFD) ha sido útil para la predicción del desarrollo dinámico y térmico en intercambiadores de calor de tubos curvados y torsionados, tal como lo hizo Záchar en 2010 cuando investigó la doble mejora del curvado y una vena corrugada helicoidal que simulaba la inserción de un resorte al interior del tubo, pero geometrías comerciales como Turbotec® no han sido investigadas. Además, varias herramientas comerciales para la generación de malla están disponibles, sin embargo, el efecto que la calidad y el número de elementos tienen en la solución y el aumento del costo de cómputo, obliga a equilibrar la precisión con los recursos computacionales disponibles. Esta investigación buscó la discretización del volumen de control de intercambiadores mejorados realistas, para su posterior uso en el desarrollo numérico de correlaciones para dimensionamiento y selección. Luego de una evaluación del estado del arte y del desarrollo geométrico de los volúmenes de control con las herramientas CAD SolidEdge® y DesignModeler®, se empleó la herramienta Meshing® de ANSYS Workbench® para el mallado, evaluando los métodos y las configuraciones globales y locales de malla, para su generación y la verificación de métricas; se desarrollaron estudios de independencia de malla para dos geometrías de intercambiadores, evaluando la incidencia de la calidad y el número de elementos en la convergencia del Número de Nusselt, y se validaron con resultados experimentales disponibles en la literatura. Como resultado principal se seleccionaron las mejores mallas para el estudio numérico de cada geometría y se validó la metodología propuesta. Los resultados de simulación son influenciados por la calidad del mallado, entre otros parámetros; todos deben ser evaluados antes de emplear dichos resultados en la toma de decisiones, y es necesario usar resultados experimentales para dicha validación.
CFD packages were used to predict dynamic and thermal development in twisted coiled tubes heat exchangers, but with simplified geometries that are far from reality. In addition, several commercial tools for mesh generation are available, however, the effect that quality and elements number have on solution and computation cost increase, requires precision balance with available computational resources. This research sought to control volume discretization of improved realistic exchangers, for later use in numerical development of correlations for sizing and selection. Following an assessment of state of the art, and geometric development of control volumes with CAD tools: SolidEdge® and DesignModeler®, the ANSYS Workbench® tool: Meshing® was used for evaluating methods, and global and local settings of mesh, for its generation and metrics verification. Grid independence studies were developed for two exchanger geometries, assessing quality and elements number impact in Nusselt number convergence, and validated with experimental results available in literature. As a main result the best mesh for numerical study of each geometry were selected, and validated proposed methodology. The simulation results are influenced by mesh quality, and other parameters; all must be evaluated before using these results in decision making, and it is necessary to use experimental results for such validation.

References

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How to Cite

APA

Ardila Marín, J. G., Hincapié Zuluaga, D. A. and Sierra del Rïo, J. A. (2016). Independencia de malla en tubos torsionados para intercambio de calor: caso de estudio. Revista de la Facultad de Ciencias, 5(1), 124–140. https://doi.org/10.15446/rev.fac.cienc.v5n1.54231

ACM

[1]
Ardila Marín, J.G., Hincapié Zuluaga, D.A. and Sierra del Rïo, J.A. 2016. Independencia de malla en tubos torsionados para intercambio de calor: caso de estudio. Revista de la Facultad de Ciencias. 5, 1 (Jan. 2016), 124–140. DOI:https://doi.org/10.15446/rev.fac.cienc.v5n1.54231.

ACS

(1)
Ardila Marín, J. G.; Hincapié Zuluaga, D. A.; Sierra del Rïo, J. A. Independencia de malla en tubos torsionados para intercambio de calor: caso de estudio. Rev. Fac. Cienc. 2016, 5, 124-140.

ABNT

ARDILA MARÍN, J. G.; HINCAPIÉ ZULUAGA, D. A.; SIERRA DEL RÏO, J. A. Independencia de malla en tubos torsionados para intercambio de calor: caso de estudio. Revista de la Facultad de Ciencias, [S. l.], v. 5, n. 1, p. 124–140, 2016. DOI: 10.15446/rev.fac.cienc.v5n1.54231. Disponível em: https://revistas.unal.edu.co/index.php/rfc/article/view/54231. Acesso em: 18 apr. 2025.

Chicago

Ardila Marín, Juan Gonzalo, Diego Andrés Hincapié Zuluaga, and Jorge Andrés Sierra del Rïo. 2016. “Independencia de malla en tubos torsionados para intercambio de calor: caso de estudio”. Revista De La Facultad De Ciencias 5 (1):124-40. https://doi.org/10.15446/rev.fac.cienc.v5n1.54231.

Harvard

Ardila Marín, J. G., Hincapié Zuluaga, D. A. and Sierra del Rïo, J. A. (2016) “Independencia de malla en tubos torsionados para intercambio de calor: caso de estudio”, Revista de la Facultad de Ciencias, 5(1), pp. 124–140. doi: 10.15446/rev.fac.cienc.v5n1.54231.

IEEE

[1]
J. G. Ardila Marín, D. A. Hincapié Zuluaga, and J. A. Sierra del Rïo, “Independencia de malla en tubos torsionados para intercambio de calor: caso de estudio”, Rev. Fac. Cienc., vol. 5, no. 1, pp. 124–140, Jan. 2016.

MLA

Ardila Marín, J. G., D. A. Hincapié Zuluaga, and J. A. Sierra del Rïo. “Independencia de malla en tubos torsionados para intercambio de calor: caso de estudio”. Revista de la Facultad de Ciencias, vol. 5, no. 1, Jan. 2016, pp. 124-40, doi:10.15446/rev.fac.cienc.v5n1.54231.

Turabian

Ardila Marín, Juan Gonzalo, Diego Andrés Hincapié Zuluaga, and Jorge Andrés Sierra del Rïo. “Independencia de malla en tubos torsionados para intercambio de calor: caso de estudio”. Revista de la Facultad de Ciencias 5, no. 1 (January 1, 2016): 124–140. Accessed April 18, 2025. https://revistas.unal.edu.co/index.php/rfc/article/view/54231.

Vancouver

1.
Ardila Marín JG, Hincapié Zuluaga DA, Sierra del Rïo JA. Independencia de malla en tubos torsionados para intercambio de calor: caso de estudio. Rev. Fac. Cienc. [Internet]. 2016 Jan. 1 [cited 2025 Apr. 18];5(1):124-40. Available from: https://revistas.unal.edu.co/index.php/rfc/article/view/54231

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1. Emmanuel Alejandro Islas-Narvaez, Jean Fulbert Ituna-Yudonago, Luis Enrique Ramos-Velasco, Mario Alejandro Vega-Navarrete, Octavio Garcia-Salazar. (2022). Design and Determination of Aerodynamic Coefficients of a Tail-Sitter Aircraft by Means of CFD Numerical Simulation. Machines, 11(1), p.17. https://doi.org/10.3390/machines11010017.

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