GALERKIN FINITE ELEMENT ANALYSIS OF BUOYANCY-DRIVEN HEAT TRANSFER OF WATER-BASED CU-AL_2O_3 HYBRID NANOFLUID INSIDE A U-SHAPED ENCLOSURE WITH LOCALIZED HEAT

M.S. Asmadi; R.Kasmani; Z. SiriH. Saleh

首页> 外文期刊>Journal of enhanced heat transfer: Theory and application in high performance heat and mass transfer >GALERKIN FINITE ELEMENT ANALYSIS OF BUOYANCY-DRIVEN HEAT TRANSFER OF WATER-BASED CU-AL_2O_3 HYBRID NANOFLUID INSIDE A U-SHAPED ENCLOSURE WITH LOCALIZED HEAT

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GALERKIN FINITE ELEMENT ANALYSIS OF BUOYANCY-DRIVEN HEAT TRANSFER OF WATER-BASED CU-AL_2O_3 HYBRID NANOFLUID INSIDE A U-SHAPED ENCLOSURE WITH LOCALIZED HEAT

机译：GALERKIN FINITE ELEMENT ANALYSIS OF BUOYANCY-DRIVEN HEAT TRANSFER OF WATER-BASED CU-AL_2O_3 HYBRID NANOFLUID INSIDE A U-SHAPED ENCLOSURE WITH LOCALIZED HEAT

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The effect of localized heat on the buoyancy-driven heat transfer of copper-alumina/water hybrid nanofluid inside a U-shaped cavity is presented in this paper. Various lengths and positions of the heating wall are used to explore its effect on the heat transfer rate within the chosen enclosure. The physical model is represented by a set of dimensionless governing equations consisting of continuity, momentum, and energy equations. A three-node triangular finite element method employing Galerkin weighted residual algorithm is applied to the problem alongside a damped Newton-Raphson algorithm to ensure the convergence of the solutions. An extensive mesh dependency test is conducted as well as numerical and experimental validation to increase the confidence in the numerical formulation. The local and average Nusselt numbers are used to gauge the heat transfer rate and its efficiency. To visualize the fluid and heat behavior inside the enclosure, the streamlines and isotherms for each variation of heating length and position are presented in this article for fluid flow with Rayleigh number of 10~4 to 10~6 and nanoparticle volume fraction of 0 to 0.1.

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《Journal of enhanced heat transfer: Theory and application in high performance heat and mass transfer》 |2022年第2期|1-26|共26页
作者
M.S. Asmadi; R.Kasmani; Z. SiriH. Saleh;
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作者单位

Institute of Mathematical Sciences, Faculty of Science, Universiti Malaya, 50603, Kuala Lumpur, Malaysia;

Mathematics Division, Centre for Foundation Studies in Science, Universiti Malaya, 50603, Kuala Lumpur, Malaysia;

Mathematics Education Department, Universitas Islam Negeri Sultan Syarif Kasim, 28293, Pekanbaru, Indonesia;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类热力工程、热机;
关键词
heat transfer; hybrid nanofluid; U-shaped enclosure; localized heat; thermodynamics; finite element;

GALERKIN FINITE ELEMENT ANALYSIS OF BUOYANCY-DRIVEN HEAT TRANSFER OF WATER-BASED CU-AL_2O_3 HYBRID NANOFLUID INSIDE A U-SHAPED ENCLOSURE WITH LOCALIZED HEAT

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