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ARTICLE
Natural convection in a partially heated cylinder: A numerical study
| 1 | Escuela Nacional de Estudios Superiores, Unidad Morelia, Universidad Nacional Autónoma de México, Morelia, Michoacán, México |
| 2 | Instituto de Investigaciones en Materiales, Unidad Morelia, Universidad Nacional Autónoma de México, Morelia, Michoacán, México |
CORRESPONDING AUTHOR
José Núñez
Escuela Nacional de Estudios Superiores, Unidad Morelia, Universidad Nacional Autónoma de México, Mexico
Escuela Nacional de Estudios Superiores, Unidad Morelia, Universidad Nacional Autónoma de México, Mexico
Submission date: 2021-05-25
Final revision date: 2021-07-02
Acceptance date: 2021-07-05
Online publication date: 2021-09-28
Publication date: 2021-10-20
Journal of Theoretical and Applied Mechanics 2021;59(4):623–636
KEYWORDS
TOPICS
ABSTRACT
This work presents a numerical study on a natural convective flow in a cylindrical container
heated from below, cooled from above, and partially heated from the lateral wall. Mass,
momentum and energy equations were solved with a developed hybrid Fourier-finite volume
code and validated with the commercial software COMSOL Multiphysics for steady-state
solutions. The primary solutions correspond to steady-states Cm with azimuthal wavenumbers
m. The results show mode competition between different states leading to many flow
solutions including steady axisymmetric, steady non-axisymmetric, time-dependent pulsating
wave solutions, and other flow states with a variety of spatiotemporal symmetries.
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