Thermal pattern of nano-encapsulated PCM in a lid-driven cavity with presence of a heated body, magnetic field and limited permeability
This study attempts to improve the thermal characteristics of nano-encapsulated phase change materials (NEPCMs) for heating and cooling applications. The PCM particles are added to water to improve the thermal performance by the latent heat of phase change. NEPCM is confined in a porous prism lid-dr...
| Main Authors: | , , , , , , , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2023-10-01
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| Series: | Case Studies in Thermal Engineering |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2214157X2300775X |
| _version_ | 1827803631896756224 |
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| author | Obai younis Houssem Laidoudi Aissa Abderrahmane Abdeldjalil Belazreg Naef A.A. Qasem Raad Z. Homod Yacine khetib Muhyaddine Rawa Ahmed M. Hassan |
| author_facet | Obai younis Houssem Laidoudi Aissa Abderrahmane Abdeldjalil Belazreg Naef A.A. Qasem Raad Z. Homod Yacine khetib Muhyaddine Rawa Ahmed M. Hassan |
| author_sort | Obai younis |
| collection | DOAJ |
| description | This study attempts to improve the thermal characteristics of nano-encapsulated phase change materials (NEPCMs) for heating and cooling applications. The PCM particles are added to water to improve the thermal performance by the latent heat of phase change. NEPCM is confined in a porous prism lid-driven cavity with a lower zigzag wall. The cavity contains an elliptic heated cylinder and is subjected to magnetic field. The study is modeled using the Galerkin finite element method to solve the governing equations. The influential parameters are highlighted, including the impacts of medium permeability (Darcy number (Da) = 10−2 – 10−5), the strength of the magnetic field (Hartmann number (Ha) = 0–100), the orientation of an elliptic heated body (θ = 0° – 135°), and the speed of the lid (Reynolds number (Re) = 1–500). For all studied cases, it was observed that the thermal performance is improved by increasing the Re and Da and decreasing Ha. Increasing Re from 0 to 500 and Da from 10−5 to 10−2 enhances Nu by 335% and 94.7%, respectively. While raising Ha from 0 to 100 and the inclination angle to 90° decreases Nu by 5.3% and 6.7%, respectively. |
| first_indexed | 2024-03-11T20:58:08Z |
| format | Article |
| id | doaj.art-d42c2fac7ccb42178937cc0623f8462b |
| institution | Directory Open Access Journal |
| issn | 2214-157X |
| language | English |
| last_indexed | 2024-03-11T20:58:08Z |
| publishDate | 2023-10-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Case Studies in Thermal Engineering |
| spelling | doaj.art-d42c2fac7ccb42178937cc0623f8462b2023-09-30T04:54:46ZengElsevierCase Studies in Thermal Engineering2214-157X2023-10-0150103469Thermal pattern of nano-encapsulated PCM in a lid-driven cavity with presence of a heated body, magnetic field and limited permeabilityObai younis0Houssem Laidoudi1Aissa Abderrahmane2Abdeldjalil Belazreg3Naef A.A. Qasem4Raad Z. Homod5 Yacine khetib6Muhyaddine Rawa7Ahmed M. Hassan8Department of Mechanical Engineering, College of Engineering in Wadi Alddwasir, Prince Sattam Bin Abdulaziz University, Saudi Arabia; Corresponding author.Laboratory of Sciences and Marine Engineering, Faculty of Mechanical Engineering, USTO-MB, BP 1505, El-Menaouer, Oran, 31000, AlgeriaLaboratoire de Physique Quantique de La Matière et Modélisation Mathématique (LPQ3M), University of Mascara, AlgeriaLaboratoire de Physique Quantique de La Matière et Modélisation Mathématique (LPQ3M), University of Mascara, AlgeriaDepartment of Aerospace Engineering and Interdisciplinary Research Center for Aviation & Space Exploration, King Fahd University of Petroleum & Minerals, Dhahran, 31261, Saudi ArabiaDepartment of Oil and Gas Engineering, Basrah University for Oil and Gas, Basra, IraqMechanical Engineering Department, Faculty of Engineering, King Abdulaziz University, Jeddah, 21589, Saudi Arabia; Smart Grids Research Group, Center of Research Excellence in Renewable Energy and Power Systems, King Abdulaziz University, Jeddah, 21589, Saudi ArabiaSmart Grids Research Group, Center of Research Excellence in Renewable Energy and Power Systems, King Abdulaziz University, Jeddah, 21589, Saudi Arabia; Department of Electrical and Computer Engineering, Faculty of Engineering, King Abdulaziz University, Jeddah, 21589, Saudi ArabiaFaculty of Engineering, Future University in Egypt, EgyptThis study attempts to improve the thermal characteristics of nano-encapsulated phase change materials (NEPCMs) for heating and cooling applications. The PCM particles are added to water to improve the thermal performance by the latent heat of phase change. NEPCM is confined in a porous prism lid-driven cavity with a lower zigzag wall. The cavity contains an elliptic heated cylinder and is subjected to magnetic field. The study is modeled using the Galerkin finite element method to solve the governing equations. The influential parameters are highlighted, including the impacts of medium permeability (Darcy number (Da) = 10−2 – 10−5), the strength of the magnetic field (Hartmann number (Ha) = 0–100), the orientation of an elliptic heated body (θ = 0° – 135°), and the speed of the lid (Reynolds number (Re) = 1–500). For all studied cases, it was observed that the thermal performance is improved by increasing the Re and Da and decreasing Ha. Increasing Re from 0 to 500 and Da from 10−5 to 10−2 enhances Nu by 335% and 94.7%, respectively. While raising Ha from 0 to 100 and the inclination angle to 90° decreases Nu by 5.3% and 6.7%, respectively.http://www.sciencedirect.com/science/article/pii/S2214157X2300775XMixed convectionSteady simulationHeat transferNumerical investigationLid-driven cavity |
| spellingShingle | Obai younis Houssem Laidoudi Aissa Abderrahmane Abdeldjalil Belazreg Naef A.A. Qasem Raad Z. Homod Yacine khetib Muhyaddine Rawa Ahmed M. Hassan Thermal pattern of nano-encapsulated PCM in a lid-driven cavity with presence of a heated body, magnetic field and limited permeability Case Studies in Thermal Engineering Mixed convection Steady simulation Heat transfer Numerical investigation Lid-driven cavity |
| title | Thermal pattern of nano-encapsulated PCM in a lid-driven cavity with presence of a heated body, magnetic field and limited permeability |
| title_full | Thermal pattern of nano-encapsulated PCM in a lid-driven cavity with presence of a heated body, magnetic field and limited permeability |
| title_fullStr | Thermal pattern of nano-encapsulated PCM in a lid-driven cavity with presence of a heated body, magnetic field and limited permeability |
| title_full_unstemmed | Thermal pattern of nano-encapsulated PCM in a lid-driven cavity with presence of a heated body, magnetic field and limited permeability |
| title_short | Thermal pattern of nano-encapsulated PCM in a lid-driven cavity with presence of a heated body, magnetic field and limited permeability |
| title_sort | thermal pattern of nano encapsulated pcm in a lid driven cavity with presence of a heated body magnetic field and limited permeability |
| topic | Mixed convection Steady simulation Heat transfer Numerical investigation Lid-driven cavity |
| url | http://www.sciencedirect.com/science/article/pii/S2214157X2300775X |
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