Numerical investigation of heat and mass transfer for unsteady multiphase flow in a vented cavity filled with hybrid nanofluid
Effective heat and mass transfer is crucial for enhancing efficiency and performance, particularly under varying flow conditions in devices such as heat exchangers, microfluidic systems, and chemical reactors. The current study investigates the effect of novel combination of unsteady condition and m...
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| Format: | Article |
| Language: | English |
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Elsevier
2025-04-01
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| Series: | Alexandria Engineering Journal |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S1110016825001322 |
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| author | Muhammad Ashhad Shahid Mojtaba Dayer Muhammad Adil Sadiq Haris Ali Ishak Hashim |
| author_facet | Muhammad Ashhad Shahid Mojtaba Dayer Muhammad Adil Sadiq Haris Ali Ishak Hashim |
| author_sort | Muhammad Ashhad Shahid |
| collection | DOAJ |
| description | Effective heat and mass transfer is crucial for enhancing efficiency and performance, particularly under varying flow conditions in devices such as heat exchangers, microfluidic systems, and chemical reactors. The current study investigates the effect of novel combination of unsteady condition and multiphase flow effect on hybrid nanofluid (HNF) convective heat and mass transfer (CHMT) within a vented cavity. The investigation employs a novel dimensionless mathematical model to explore these dynamics using Buongiorno’s approach, which considers Brownian motion and thermophoresis in nanofluids. Numerical simulations are conducted utilizing the Finite Element Method (FEM) to discretize the dimensionless governing equations. A parametric study is conducted to investigate the influence of key parameters, including the number of undulations (N) in the side walls of the cavity, Rayleigh number (Ra), and inflow velocity (Vinlet), on the Nusselt number (Nu¯) and Sherwood number (Sh¯). The analysis presents visualizations of streamlines, isothermal lines, and normalized solid volume fractions. Peak Nu¯ and Sh¯ of 4.0878 and 5.2526, respectively, indicated optimal heat and mass transfer efficiency, particularly under conditions that effectively disrupt the concentration boundary layer. The findings from this research are expected to contribute towards the development of more efficient nanofluid-based systems, particularly in systems with irregular geometries. |
| format | Article |
| id | doaj-art-34c8efd5665a4a4eb8b5889554e238b7 |
| institution | Kabale University |
| issn | 1110-0168 |
| language | English |
| publishDate | 2025-04-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Alexandria Engineering Journal |
| spelling | doaj-art-34c8efd5665a4a4eb8b5889554e238b72025-02-09T04:59:45ZengElsevierAlexandria Engineering Journal1110-01682025-04-01119451464Numerical investigation of heat and mass transfer for unsteady multiphase flow in a vented cavity filled with hybrid nanofluidMuhammad Ashhad Shahid0Mojtaba Dayer1Muhammad Adil Sadiq2Haris Ali3Ishak Hashim4Department of Mathematical Sciences, Faculty of Science & Technology, Universiti Kebangsaan Malaysia, Bangi, 43600, Selangor, MalaysiaSolar Energy Research Institute, Universiti Kebangsaan Malaysia, Bangi, 43600, Selangor, MalaysiaInterdisciplinary Research Center for Hydrogen and Energy Storage, Dhahran, 31261, Saudi Arabia; Department of Mathematics, DCC-KFUPM, Box 5084, Dhahran, 31261, Saudi ArabiaDepartment of Mechanical and Manufacturing Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bangi, 43600, Selangor, MalaysiaDepartment of Mathematical Sciences, Faculty of Science & Technology, Universiti Kebangsaan Malaysia, Bangi, 43600, Selangor, Malaysia; Nonlinear Dynamics Research Center (NDRC), Ajman University, Ajman, PO Box 346, United Arab Emirates; Corresponding author.Effective heat and mass transfer is crucial for enhancing efficiency and performance, particularly under varying flow conditions in devices such as heat exchangers, microfluidic systems, and chemical reactors. The current study investigates the effect of novel combination of unsteady condition and multiphase flow effect on hybrid nanofluid (HNF) convective heat and mass transfer (CHMT) within a vented cavity. The investigation employs a novel dimensionless mathematical model to explore these dynamics using Buongiorno’s approach, which considers Brownian motion and thermophoresis in nanofluids. Numerical simulations are conducted utilizing the Finite Element Method (FEM) to discretize the dimensionless governing equations. A parametric study is conducted to investigate the influence of key parameters, including the number of undulations (N) in the side walls of the cavity, Rayleigh number (Ra), and inflow velocity (Vinlet), on the Nusselt number (Nu¯) and Sherwood number (Sh¯). The analysis presents visualizations of streamlines, isothermal lines, and normalized solid volume fractions. Peak Nu¯ and Sh¯ of 4.0878 and 5.2526, respectively, indicated optimal heat and mass transfer efficiency, particularly under conditions that effectively disrupt the concentration boundary layer. The findings from this research are expected to contribute towards the development of more efficient nanofluid-based systems, particularly in systems with irregular geometries.http://www.sciencedirect.com/science/article/pii/S1110016825001322Unsteady-state studyMultiphase flowConvective heat and mass transferHybrid nanofluidFinite Element Method (FEM) |
| spellingShingle | Muhammad Ashhad Shahid Mojtaba Dayer Muhammad Adil Sadiq Haris Ali Ishak Hashim Numerical investigation of heat and mass transfer for unsteady multiphase flow in a vented cavity filled with hybrid nanofluid Alexandria Engineering Journal Unsteady-state study Multiphase flow Convective heat and mass transfer Hybrid nanofluid Finite Element Method (FEM) |
| title | Numerical investigation of heat and mass transfer for unsteady multiphase flow in a vented cavity filled with hybrid nanofluid |
| title_full | Numerical investigation of heat and mass transfer for unsteady multiphase flow in a vented cavity filled with hybrid nanofluid |
| title_fullStr | Numerical investigation of heat and mass transfer for unsteady multiphase flow in a vented cavity filled with hybrid nanofluid |
| title_full_unstemmed | Numerical investigation of heat and mass transfer for unsteady multiphase flow in a vented cavity filled with hybrid nanofluid |
| title_short | Numerical investigation of heat and mass transfer for unsteady multiphase flow in a vented cavity filled with hybrid nanofluid |
| title_sort | numerical investigation of heat and mass transfer for unsteady multiphase flow in a vented cavity filled with hybrid nanofluid |
| topic | Unsteady-state study Multiphase flow Convective heat and mass transfer Hybrid nanofluid Finite Element Method (FEM) |
| url | http://www.sciencedirect.com/science/article/pii/S1110016825001322 |
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