格子Boltzmann方法
热导率
多孔介质
分形
统计物理学
材料科学
多孔性
机械
热的
物理
热力学
数学
复合材料
数学分析
标识
DOI:10.1016/j.applthermaleng.2024.122646
摘要
In May 2020, this journal published the paper “Lattice Boltzmann simulation and fractal analysis of effective thermal conductivity in porous media”, applying and comparing a lattice-Boltzmann-based simulation model and a fractal-material-based analytical model for effective thermal conductivity of porous media. This comment, which is considered a post-publication review, reveals however that the paper’s fractal model often exceeds the upper bound as defined by the parallel model. These exceedances are physically unsound, as this upper bound is well established and widely recognised. This comment is therefore challenging the paper’s current Figgures 6, 8 and 10 directly, as well as contesting the paper’s Figgure 9 indirectly. Consequently, this comment invites the paper’s authors to reassess the fractal model as well as to reconsider the research findings in their reply.
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