The present work focuses on the Magnetohydrodynamic free convection heat of Ag–water nanofluid involved in a porous C-shaped enclosure equipped with an undulated baffle. Various thermophysical parameters are investigated through this specific configuration, such as Rayleigh number (${10}^3\le Ra<{10}^6$), Hartmann number ($0\le Ha\le 100$), Darcy number (${10}^{-5}\le Da\le {10}^{-2}$), porosity ($0.1\le \epsilon \le 0.8$), and nanoparticles concentration ($0.01\le \varphi \le 0.08$). The calculations were carried out through the finite element method for Prandtl number $Pr=6.83$. The novelty in this paper was the implementation of an inner baffle with a special shape inside the cavity instead of conventional ones and the definition of its optimal dimensions. The uniqueness of this work is that it overcomes the previous research gap by investigating the influence of the specific shape of the cold corrugated baffle on heat flux inside a C-shaped porous chamber. The obtained results show the favorable impact of increasing the thickness $\zeta$ and the length $\lambda$ of this undulated baffle on the heat transmission performance. However, the variation in the undulation number ($\mathrm{und}$) presented a negligible impact.

目前的工作重点是在装有波浪形挡板的多孔 C 形外壳中的 Ag-水纳米流体的磁流体动力学自由对流热。通过这种特定配置研究了各种热物理参数，例如瑞利数（${10}^3\le \mathrm{电阻}\mathrm{一种}<{10}^6$), 哈特曼数 ($0\le H\mathrm{一种}\le 100$), 达西数 (${10}^{-5}\le D\mathrm{一种}\le {10}^{-2}$), 孔隙率 ($0.1\le \mathrm{电子}\le 0.8$), 和纳米粒子浓度 ($0.01\le \phi \le 0.08$）。计算是通过有限元法对普朗特数进行的$磷r=6.83$. 本文的新颖之处在于在空腔内部采用了一种特殊形状的内挡板，而不是传统的内挡板，并定义了其最佳尺寸。这项工作的独特之处在于它通过研究冷波纹挡板的特定形状对C形多孔室内热通量的影响，克服了先前的研究空白。所得结果表明增加厚度的有利影响$G$ 和长度 $\lambda$这种起伏的挡板对传热性能的影响。然而，波动数的变化（$和$) 的影响可以忽略不计。