Effect of double rotating cylinders on the MHD mixed convection and entropy generation of a 3D cubic enclosure filled by nano-PCM

被引：11

作者：

Abderrahmane, Aissa ^{[1
]}

Hatami, Mohammad ^{[2
]}

Younis, Obai ^{[3
]}

Mourad, Abed ^{[1
]}

机构：

[1] Univ Mascara, Lab Phys Quant Matiere & Modelisat Math LPQ3M, Mascara, Algeria

[2] Ferdowsi Univ Mashhad, Fac Engn, Dept Mech Engn, Mashhad, Razavi Khorasan, Iran

[3] Prince Sattam Bin Abdul Aziz Univ, Coll Engn Wadi Addwaser, Dept Mech Engn, Wadi Addwaser, Saudi Arabia

来源：

EUROPEAN PHYSICAL JOURNAL-SPECIAL TOPICS | 2022年 / 231卷 / 13-14期

关键词：

PHASE-CHANGE MATERIALS; THERMAL-ENERGY-STORAGE; NON-NEWTONIAN FLUID; HEAT-TRANSFER; CONDUCTIVITY ENHANCEMENT; PERFORMANCE; SIMULATION; FLOW; SURFACE; SYSTEM;

D O I：

10.1140/epjs/s11734-022-00586-7

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In this manuscript, phase change material (PCM) including the nanoparticles is considered in a 3D cubic enclosure to investigate the mixed convection of heat transfer under the magnetic field effect. Double rotating cylinders also are located in the middle of the enclosure to study the effect of their angular velocity in different conditions. Governing equations are solved by Galerkin Finite Element Method (GFEM) and were confirmed by previous studies. As main outcomes, results with enhanced angular velocity, both the average temperature and cumulative energy were significantly decreased. Furthermore, unaltered fluidity (Ha = 0) imposes greater entropy, but this tendency reverses when the Hartman number (Ha) rises, resulting in minimum entropy trends.

引用

页码：2569 / 2581

页数：13

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