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Novel numerical solution of non-linear heat transfer of nanofluid over a porous cylinder: Buongiorno-Forchheimer model | ||
Journal of Computational & Applied Research in Mechanical Engineering (JCARME) | ||
مقاله 16، دوره 10، شماره 2 - شماره پیاپی 20، تیر 2021، صفحه 485-496 اصل مقاله (1.17 M) | ||
نوع مقاله: Research Paper | ||
شناسه دیجیتال (DOI): 10.22061/jcarme.2019.4320.1520 | ||
نویسندگان | ||
B. Vasu* 1؛ Atul Kumar Ray2 | ||
1Department of Mathematics, Motilal Nehru National Institute of Technology, Allahabad-211004, India | ||
2Department of Basic Sciences, Government College of Engineering Keonjhar, Keonjhar-758002, Odisha, India | ||
تاریخ دریافت: 09 آبان 1397، تاریخ بازنگری: 26 فروردین 1398، تاریخ پذیرش: 12 خرداد 1398 | ||
چکیده | ||
This study aims to numerically investigate a two dimensional and steady heat transfer over a cylinder in a porous medium with suspending nanoparticles. Buongiorno model is adopted for nanofluid transport on a free convection flow taking the slip mechanism of Brownian motion and thermophoresis into account. The Boussinesq approximation is considered to account for buoyancy. The boundary layer conservation equations are transformed into dimensionless and then elucidated using a robust Keller-box implicit code numerically. The numerical results are displayed graphically and deliberated quantitatively for various values of thermo-physical parameters. Our results shows that, increasing the Forchheimer parameter, Λ, clearly swamps the nanofluid momentum development, decreases the flow for some distance near the cylinder viscous region, later it reverses the trend, and asymptotically reaches the far field flow velocity. Furthermore, as thermophoresis parameter increases, the heat transfer and nanoparticle volume concentration increase within the boundary layer. The present results are validated with the available results of a similar study and is found to be in good coincidence. The study finds applications in heat exchangers technology, materials processing, and geothermal energy storage etc. | ||
کلیدواژهها | ||
Heat transfer؛ Porous medium؛ Buongiorno model؛ Forchheimer number؛ Keller-box implicit code | ||
مراجع | ||
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