Rayleigh-Bénard convection instability in the presence of temperature variation at the lower wall
This paper analyzes the two-dimensional viscous fluid flow between two parallel plates, where the lower plate is heated and the upper one is cooled. The temperature difference between the plates is gradually increased during a certain time period, and afterwards it is temporarily constant. The tempe...
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| Veröffentlicht in: | Thermal science 2012-01, Vol.16 (suppl. 2), p.281-294 |
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| container_end_page | 294 |
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| container_issue | suppl. 2 |
| container_start_page | 281 |
| container_title | Thermal science |
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| creator | Jovanovic, Milos Zivkovic, Dragan Nikodijevic, Jelena |
| description | This paper analyzes the two-dimensional viscous fluid flow between two
parallel plates, where the lower plate is heated and the upper one is cooled.
The temperature difference between the plates is gradually increased during a
certain time period, and afterwards it is temporarily constant. The
temperature distribution on the lower plate is not constant in x-direction,
and there is longitudinal sinusoidal temperature variation imposed on the
mean temperature. We investigate the wave number and amplitude influence of
this variation on the stability of Rayleigh-Benard convective cells, by
direct numerical simulation of 2-D Navier-Stokes and energy equation.
nema |
| doi_str_mv | 10.2298/TSCI120505169J |
| format | Article |
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parallel plates, where the lower plate is heated and the upper one is cooled.
The temperature difference between the plates is gradually increased during a
certain time period, and afterwards it is temporarily constant. The
temperature distribution on the lower plate is not constant in x-direction,
and there is longitudinal sinusoidal temperature variation imposed on the
mean temperature. We investigate the wave number and amplitude influence of
this variation on the stability of Rayleigh-Benard convective cells, by
direct numerical simulation of 2-D Navier-Stokes and energy equation.
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parallel plates, where the lower plate is heated and the upper one is cooled.
The temperature difference between the plates is gradually increased during a
certain time period, and afterwards it is temporarily constant. The
temperature distribution on the lower plate is not constant in x-direction,
and there is longitudinal sinusoidal temperature variation imposed on the
mean temperature. We investigate the wave number and amplitude influence of
this variation on the stability of Rayleigh-Benard convective cells, by
direct numerical simulation of 2-D Navier-Stokes and energy equation.
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parallel plates, where the lower plate is heated and the upper one is cooled.
The temperature difference between the plates is gradually increased during a
certain time period, and afterwards it is temporarily constant. The
temperature distribution on the lower plate is not constant in x-direction,
and there is longitudinal sinusoidal temperature variation imposed on the
mean temperature. We investigate the wave number and amplitude influence of
this variation on the stability of Rayleigh-Benard convective cells, by
direct numerical simulation of 2-D Navier-Stokes and energy equation.
nema</abstract><doi>10.2298/TSCI120505169J</doi><tpages>14</tpages><orcidid>https://orcid.org/0000-0001-6768-9779</orcidid><oa>free_for_read</oa></addata></record> |
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| ispartof | Thermal science, 2012-01, Vol.16 (suppl. 2), p.281-294 |
| issn | 0354-9836 2334-7163 |
| language | eng |
| recordid | cdi_crossref_primary_10_2298_TSCI120505169J |
| source | EZB-FREE-00999 freely available EZB journals; Free Full-Text Journals in Chemistry |
| title | Rayleigh-Bénard convection instability in the presence of temperature variation at the lower wall |
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