Impact of a wavy wall triangular porous cylinder on diffusive-mixed convection in a lid-driven triangular cavity
Analyzing the double diffusive mixed convection inside a triangular enclosure with moving lid and involving a wavy porous cylinder emitting a concentration is addressed in this paper. Such a problem simulates various processes such as crystallization, absorption, and distillation where both heat and...
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Elsevier
2025-01-01
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Series: | International Journal of Thermofluids |
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Online Access: | http://www.sciencedirect.com/science/article/pii/S2666202724004464 |
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author | Duna T. Yaseen Amani J. Majeed Sahib S. Ahmed Muneer A. Ismael |
author_facet | Duna T. Yaseen Amani J. Majeed Sahib S. Ahmed Muneer A. Ismael |
author_sort | Duna T. Yaseen |
collection | DOAJ |
description | Analyzing the double diffusive mixed convection inside a triangular enclosure with moving lid and involving a wavy porous cylinder emitting a concentration is addressed in this paper. Such a problem simulates various processes such as crystallization, absorption, and distillation where both heat and mass transfer are involved. The horizontal wall of the lid-driven cavity maintains a constant temperature, while the inclined walls of the triangle cavity are thermally insulated. The wavy wall of the inner porous cylinder releases a constant species and kept colder than the moving wall. This study presents a novel way for improving heat transmission from a surface utilizing porous cylinders. Using a porous cylinder with e porosity can improve the performance of heat transfer. The governing equations are transformed to a non-dimensional form and solved with the finite element method. The study examines how porosity (ε), Darcy number (Da), undulation number (N), and wave amplitude (A) affect fluid flow, heat transfer and concentration distribution. More improvement in the porous cylinder performance is discovered to be possible with increasing (ε), (N), (Ri), and (Re), particularly at large (Da) levels. It is discovered that the average Nusselt number rises by the porous cylinder wall's waviness. The results indicate that in certain cases, increasing N from 1 to 5 raises the Nusselt number by 6 % while increasing the Darcy number from 10−3 to 10−2 could improve convective heat transmission in the liquid by 7.5 %. |
format | Article |
id | doaj-art-491df4a4d1a74bbaaca44d4e37ab69b5 |
institution | Kabale University |
issn | 2666-2027 |
language | English |
publishDate | 2025-01-01 |
publisher | Elsevier |
record_format | Article |
series | International Journal of Thermofluids |
spelling | doaj-art-491df4a4d1a74bbaaca44d4e37ab69b52025-01-08T04:53:35ZengElsevierInternational Journal of Thermofluids2666-20272025-01-0125101007Impact of a wavy wall triangular porous cylinder on diffusive-mixed convection in a lid-driven triangular cavityDuna T. Yaseen0Amani J. Majeed1Sahib S. Ahmed2Muneer A. Ismael3Department of Mechanical Power Techniques, Basra Technical Institute, Southern Technical University, IraqPetroleum Engineering Department, Collage of Engineering, University of Basrah, Iraq; Corresponding author.Department of mechanical engineering, faculty of engineering, University of Kufa, Najaf IraqMechanical Engineering Department, Engineering Collage, University of Basrah, Iraq; College of Engineering, University of Warith Al-Anbiyaa, Karbala, IraqAnalyzing the double diffusive mixed convection inside a triangular enclosure with moving lid and involving a wavy porous cylinder emitting a concentration is addressed in this paper. Such a problem simulates various processes such as crystallization, absorption, and distillation where both heat and mass transfer are involved. The horizontal wall of the lid-driven cavity maintains a constant temperature, while the inclined walls of the triangle cavity are thermally insulated. The wavy wall of the inner porous cylinder releases a constant species and kept colder than the moving wall. This study presents a novel way for improving heat transmission from a surface utilizing porous cylinders. Using a porous cylinder with e porosity can improve the performance of heat transfer. The governing equations are transformed to a non-dimensional form and solved with the finite element method. The study examines how porosity (ε), Darcy number (Da), undulation number (N), and wave amplitude (A) affect fluid flow, heat transfer and concentration distribution. More improvement in the porous cylinder performance is discovered to be possible with increasing (ε), (N), (Ri), and (Re), particularly at large (Da) levels. It is discovered that the average Nusselt number rises by the porous cylinder wall's waviness. The results indicate that in certain cases, increasing N from 1 to 5 raises the Nusselt number by 6 % while increasing the Darcy number from 10−3 to 10−2 could improve convective heat transmission in the liquid by 7.5 %.http://www.sciencedirect.com/science/article/pii/S2666202724004464Mixed convectionLid – driven cavityWavy porous cylinderDarcy–Brinkman model |
spellingShingle | Duna T. Yaseen Amani J. Majeed Sahib S. Ahmed Muneer A. Ismael Impact of a wavy wall triangular porous cylinder on diffusive-mixed convection in a lid-driven triangular cavity International Journal of Thermofluids Mixed convection Lid – driven cavity Wavy porous cylinder Darcy–Brinkman model |
title | Impact of a wavy wall triangular porous cylinder on diffusive-mixed convection in a lid-driven triangular cavity |
title_full | Impact of a wavy wall triangular porous cylinder on diffusive-mixed convection in a lid-driven triangular cavity |
title_fullStr | Impact of a wavy wall triangular porous cylinder on diffusive-mixed convection in a lid-driven triangular cavity |
title_full_unstemmed | Impact of a wavy wall triangular porous cylinder on diffusive-mixed convection in a lid-driven triangular cavity |
title_short | Impact of a wavy wall triangular porous cylinder on diffusive-mixed convection in a lid-driven triangular cavity |
title_sort | impact of a wavy wall triangular porous cylinder on diffusive mixed convection in a lid driven triangular cavity |
topic | Mixed convection Lid – driven cavity Wavy porous cylinder Darcy–Brinkman model |
url | http://www.sciencedirect.com/science/article/pii/S2666202724004464 |
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