POSTELNICU, Adrian ;SCURTU, Nikoleta .
Effect of asymmetry on the steady thermal convection in a vertical torus filled with a porous medium.
Strojniški vestnik - Journal of Mechanical Engineering, [S.l.], v. 51, n.7-8, p. 501-508, august 2017.
ISSN 0039-2480.
Available at: <https://www.sv-jme.eu/article/effect-of-asymmetry-on-the-steady-thermal-convection-in-a-vertical-torus-filled-with-a-porous-medium/>. Date accessed: 20 jan. 2026.
doi:http://dx.doi.org/.
Postelnicu, A., & Scurtu, N.
(2005).
Effect of asymmetry on the steady thermal convection in a vertical torus filled with a porous medium.
Strojniški vestnik - Journal of Mechanical Engineering, 51(7-8), 501-508.
doi:http://dx.doi.org/
@article{.,
author = {Adrian Postelnicu and Nikoleta Scurtu},
title = {Effect of asymmetry on the steady thermal convection in a vertical torus filled with a porous medium},
journal = {Strojniški vestnik - Journal of Mechanical Engineering},
volume = {51},
number = {7-8},
year = {2005},
keywords = {asymmetry; steady thermal convection; vertical torus; porous medium; },
abstract = {The paper deals with a study on the thermal convection in a fluid saturated porous medium confined in a vertical oriented toroidal loop heated from below and cooled from above, subjected to a vertically uniform temperature gradient. In fact, Sano, O., Journal of the Physical Society of Japan (1987 and 1988) studied such a configuration for clear fluids. We take the steady heat conduction state under a constant vertical temperature gradient (-k) as a fundamental solution. A cylindrical system of co-ordinates (r, , s) is considered for the loop of 2R length and cross sectional diameter 2a, where the ratio a/R is assumed to be very small. We expand all quantities in terms of double Fourier series in and , where = s/R. First-order perturbed fields from steady heat conduction state are examined and various plots are given: isotherms in ring and meridian plane, stream lines and velocities. Finally, an attempt is made in order to identify other fundamental solutions: S-type (cellular thermal convection) and A-types (coaxial flow, bidirectional flow and antisymmetric cellular flow). I},
issn = {0039-2480}, pages = {501-508}, doi = {},
url = {https://www.sv-jme.eu/article/effect-of-asymmetry-on-the-steady-thermal-convection-in-a-vertical-torus-filled-with-a-porous-medium/}
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Postelnicu, A.,Scurtu, N.
2005 August 51. Effect of asymmetry on the steady thermal convection in a vertical torus filled with a porous medium. Strojniški vestnik - Journal of Mechanical Engineering. [Online] 51:7-8
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%A Scurtu, Nikoleta
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%T Effect of asymmetry on the steady thermal convection in a vertical torus filled with a porous medium
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%9 asymmetry; steady thermal convection; vertical torus; porous medium;
%! Effect of asymmetry on the steady thermal convection in a vertical torus filled with a porous medium
%K asymmetry; steady thermal convection; vertical torus; porous medium;
%X The paper deals with a study on the thermal convection in a fluid saturated porous medium confined in a vertical oriented toroidal loop heated from below and cooled from above, subjected to a vertically uniform temperature gradient. In fact, Sano, O., Journal of the Physical Society of Japan (1987 and 1988) studied such a configuration for clear fluids. We take the steady heat conduction state under a constant vertical temperature gradient (-k) as a fundamental solution. A cylindrical system of co-ordinates (r, , s) is considered for the loop of 2R length and cross sectional diameter 2a, where the ratio a/R is assumed to be very small. We expand all quantities in terms of double Fourier series in and , where = s/R. First-order perturbed fields from steady heat conduction state are examined and various plots are given: isotherms in ring and meridian plane, stream lines and velocities. Finally, an attempt is made in order to identify other fundamental solutions: S-type (cellular thermal convection) and A-types (coaxial flow, bidirectional flow and antisymmetric cellular flow). I
%U https://www.sv-jme.eu/article/effect-of-asymmetry-on-the-steady-thermal-convection-in-a-vertical-torus-filled-with-a-porous-medium/
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Postelnicu, Adrian, & Nikoleta Scurtu.
"Effect of asymmetry on the steady thermal convection in a vertical torus filled with a porous medium." Strojniški vestnik - Journal of Mechanical Engineering [Online], 51.7-8 (2005): 501-508. Web. 20 Jan. 2026
TY - JOUR
AU - Postelnicu, Adrian
AU - Scurtu, Nikoleta
PY - 2005
TI - Effect of asymmetry on the steady thermal convection in a vertical torus filled with a porous medium
JF - Strojniški vestnik - Journal of Mechanical Engineering
DO -
KW - asymmetry; steady thermal convection; vertical torus; porous medium;
N2 - The paper deals with a study on the thermal convection in a fluid saturated porous medium confined in a vertical oriented toroidal loop heated from below and cooled from above, subjected to a vertically uniform temperature gradient. In fact, Sano, O., Journal of the Physical Society of Japan (1987 and 1988) studied such a configuration for clear fluids. We take the steady heat conduction state under a constant vertical temperature gradient (-k) as a fundamental solution. A cylindrical system of co-ordinates (r, , s) is considered for the loop of 2R length and cross sectional diameter 2a, where the ratio a/R is assumed to be very small. We expand all quantities in terms of double Fourier series in and , where = s/R. First-order perturbed fields from steady heat conduction state are examined and various plots are given: isotherms in ring and meridian plane, stream lines and velocities. Finally, an attempt is made in order to identify other fundamental solutions: S-type (cellular thermal convection) and A-types (coaxial flow, bidirectional flow and antisymmetric cellular flow). I
UR - https://www.sv-jme.eu/article/effect-of-asymmetry-on-the-steady-thermal-convection-in-a-vertical-torus-filled-with-a-porous-medium/
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title = {Effect of asymmetry on the steady thermal convection in a vertical torus filled with a porous medium},
journal = {Strojniški vestnik - Journal of Mechanical Engineering},
volume = {51},
number = {7-8},
year = {2005},
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TY - JOUR
AU - Postelnicu, Adrian
AU - Scurtu, Nikoleta
PY - 2017/08/18
TI - Effect of asymmetry on the steady thermal convection in a vertical torus filled with a porous medium
JF - Strojniški vestnik - Journal of Mechanical Engineering; Vol 51, No 7-8 (2005): Strojniški vestnik - Journal of Mechanical Engineering
DO -
KW - asymmetry, steady thermal convection, vertical torus, porous medium,
N2 - The paper deals with a study on the thermal convection in a fluid saturated porous medium confined in a vertical oriented toroidal loop heated from below and cooled from above, subjected to a vertically uniform temperature gradient. In fact, Sano, O., Journal of the Physical Society of Japan (1987 and 1988) studied such a configuration for clear fluids. We take the steady heat conduction state under a constant vertical temperature gradient (-k) as a fundamental solution. A cylindrical system of co-ordinates (r, , s) is considered for the loop of 2R length and cross sectional diameter 2a, where the ratio a/R is assumed to be very small. We expand all quantities in terms of double Fourier series in and , where = s/R. First-order perturbed fields from steady heat conduction state are examined and various plots are given: isotherms in ring and meridian plane, stream lines and velocities. Finally, an attempt is made in order to identify other fundamental solutions: S-type (cellular thermal convection) and A-types (coaxial flow, bidirectional flow and antisymmetric cellular flow). I
UR - https://www.sv-jme.eu/article/effect-of-asymmetry-on-the-steady-thermal-convection-in-a-vertical-torus-filled-with-a-porous-medium/
Postelnicu, Adrian, AND Scurtu, Nikoleta.
"Effect of asymmetry on the steady thermal convection in a vertical torus filled with a porous medium" Strojniški vestnik - Journal of Mechanical Engineering [Online], Volume 51 Number 7-8 (18 August 2017)
