Boundary layer flow and heat transfer of dusty nanofluid over horizontal sheet with various conditions
The study of boundary layer flow has gained the interest of researchers as the ability of fluid flow on increasing machines productivity. This study presents the analysis and discussion of various conditions of boundary layer flow with dusty nanofluid. This research discusses two problems where dust...
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| 格式: | Thesis |
| 语言: | English English English |
| 出版: |
2023
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| 在线阅读: | http://eprints.uthm.edu.my/10992/1/24p%20NURUL%20AISYAH%20JOHAN.pdf http://eprints.uthm.edu.my/10992/2/NURUL%20AISYAH%20JOHAN%20COPYRIGHT%20DECLARATION.pdf http://eprints.uthm.edu.my/10992/3/NURUL%20AISYAH%20JOHAN%20WATERMARK.pdf http://eprints.uthm.edu.my/10992/ |
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| 总结: | The study of boundary layer flow has gained the interest of researchers as the ability of fluid flow on increasing machines productivity. This study presents the analysis and discussion of various conditions of boundary layer flow with dusty nanofluid. This research discusses two problems where dusty nanofluid flow over stretching surface with partial slip effects and towards stretching/shrinking sheet with heat and suction. The analysis involves three types of nanoparticles namely copper (Cu), aluminium oxide (Al2O3) and titania (TiO2). Hence, the effect of the volume fraction of nanoparticles has been examined besides the volume fraction of dust particles, velocity slip, and thermal slip. Meanwhile, the second part is to study the effect of parameters namely stretching/shrinking sheet, suction, and heat generation/absorption. The governing equations for both problems were transformed into non-linear ordinary differential equations using similarity transformation, which were then numerically solved using the boundary value problem solver, bvp4c program of MATLAB R2019b software. The parameters involved were computed, analysed, and discussed. The numerical solutions for skin friction coefficients, local Nusselt number, velocity and temperature profiles are presented graphically. In addition, a comparison of present results with the existing study has achieved excellent agreement. It was found that nanoparticles act with good thermal conductivity. Besides, Al2O3 and TiO2 showed significant effects on the velocity of fluid and dust phases. Suction enhanced heat transfer rate while minimising momentum and thermal boundary layer. Furthermore, the heat transfer rate improved by heat generation and absorption over the stretching/ shrinking sheet |
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