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Buoyancy-Driven Flow and Forced Flow of Complex Fluid Within a Triangular Chamber with a Rotating Body Cover

Buoyancy-Driven Flow and Forced Flow of Complex Fluid Within a Triangular Chamber with a Rotating Body

Acta Mechanica et Automatica
Volume 19 (2025): Issue 2 (June 2025)
By: Youcef LAKAHAL and  Houssem LAIDOUDI  
Open Access
|Jun 2025

Figures & Tables

Fig. 1.

Diagrammatic representation of the problem
Diagrammatic representation of the problem

Fig. 2.

The structure of the grid used for the calculations
The structure of the grid used for the calculations

Fig. 3.

Residual Convergence for Re = 5, Ri = 0, n = 0.6 and β = 0.12
Residual Convergence for Re = 5, Ri = 0, n = 0.6 and β = 0.12

Fig. 4.

Validation tests
Validation tests

Fig. 5.

Streamlines for the case of blockage ratio of 0.12 at Re = 5
Streamlines for the case of blockage ratio of 0.12 at Re = 5

Fig. 6.

Streamlines for the case of blockage ratio of 0.12 at Re = 10
Streamlines for the case of blockage ratio of 0.12 at Re = 10

Fig. 7.

Isotherms for the case of blockage ratio of 0.12 at Re = 5
Isotherms for the case of blockage ratio of 0.12 at Re = 5

Fig. 8.

Isotherms for the case of blockage ratio of 0.12 at Re = 10
Isotherms for the case of blockage ratio of 0.12 at Re = 10

Fig. 9.

Values of Nu versus Ri and n: a) for Re = 1; b) Re = 5; and c) Re = 10
Values of Nu versus Ri and n: a) for Re = 1; b) Re = 5; and c) Re = 10

Fig. 10.

Streamlines for the case of blockage ratio of 0.24 at Re = 10
Streamlines for the case of blockage ratio of 0.24 at Re = 10

Fig. 11.

Isotherms for the case of blockage ratio of 0.24 at Re = 10
Isotherms for the case of blockage ratio of 0.24 at Re = 10

Fig. 12.

Values of Nu versus Ri and n: a) for Re = 1; b) Re = 5; and c) Re = 10
Values of Nu versus Ri and n: a) for Re = 1; b) Re = 5; and c) Re = 10

Fig. 13.

Streamlines for the case of blockage ratio of 0.36 at Re = 10
Streamlines for the case of blockage ratio of 0.36 at Re = 10

Fig. 14.

Isotherms for the case of blockage ratio of 0.36 at Re = 10
Isotherms for the case of blockage ratio of 0.36 at Re = 10

Fig. 15.

Values of Nu versus Ri and n: a) for Re = 1; b) Re = 5; and c) Re = 10
Values of Nu versus Ri and n: a) for Re = 1; b) Re = 5; and c) Re = 10

Fig. 16.

Values of Nu with Ri for the three cases at Re = 10 and n = 0.6
Values of Nu with Ri for the three cases at Re = 10 and n = 0.6

Grid independency test for n = 1_6, Re = 10, Ri = 2 and β = 0_12

MeshElementsNuDifference %CPU Seconds
M1130,0003.419301.478622
M2260,0003.368760.0111021
M3520,0003.36913--
DOI: https://doi.org/10.2478/ama-2025-0027 | Journal eISSN: 2300-5319 | Journal ISSN: 1898-4088
Journal RSS Feed
Language: English
Page range: 224 - 240
Submitted on: Oct 13, 2024
|
Accepted on: Feb 10, 2025
|
Published on: Jun 6, 2025
Published by: Bialystok University of Technology
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
Keywords:
Complex fluid,
mixed convection,
blockage ratio,
numerical investigation,
Nusselt number,
CFD
Related subjects:
Engineering,
Electrical engineering,
Electronics,
Mechanical engineering,
Mechanics,
Bioengineering and biomedical engineering,
Biomechanics,
Civil engineering,
Environmental engineering

© 2025 Youcef LAKAHAL, Houssem LAIDOUDI, published by Bialystok University of Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

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