The investigation focuses on the consequences of various thermal distributions examined in the context of Magneto–Darcy–Rayleigh–Bénard (MDRB) convection onset under local thermal non-equilibrium (LTNE). The system under consideration consists of a two-layer configuration, with an incompressible fluid and horizontally positioned adiabatic peripheries. An analytical solution to the resultant problem is accomplished using the regular perturbation method. Concerning the six thermal distributions, we examine variables such as the ratio of heat expansion in the solid phase, the ratio of heat diffusivities in the solid phase, and the inter-phase heat diffusivity ratio, which exhibits a propensity towards LTNE. Furthermore, we investigate the consequences of modifying the values of constraints, namely, the ratio of heat expansion in the fluid phase, the ratio of heat diffusivities in the fluid phase, the porous parameter, the heat ratio, and the Chandrasekhar number. The empirical observations indicate that the model (iii) exhibits a significantly higher degree of instability when compared to other distributions. Conversely, model (v) demonstrates a notable level of stability. Moreover, it is intriguing that the system governed by the model (vi) exhibits higher stability than the model (iv) thermal distribution within the context of a composite system.

R. Sumithra

Shyamala Venkatraman

Horiya Aldeeb

Nagaraj Patil

Shivender Singh

N. Manjunatha

R. J. Punith Gowda

Modern Physics Letters B

MPLB 为凝聚态物理、统计物理以及原子、分子和光学物理中重要和有用的研究成果的快速传播开辟了渠道。重点关注当前感兴趣的主题，例如冷原子和分子、新拓扑材料和相，以及新型低维材料。该杂志还包含一个简要评论部分，目的是发表关于最新实验发现和紧急新理论发展的简短报告。

Modern Physics Letters B provides a rapid dissemination channel for significant and useful research findings in condensed matter physics, statistical physics, and atomic, molecular, and optical physics. The journal focuses on current topics of interest, such as cold atoms and molecules, new topological materials and phases, and novel low-dimensional materials. It also includes a brief commentary section aimed at publishing short reports on recent experimental discoveries and urgent new theoretical developments.

《Modern Physics Letters B》为凝聚态物理、统计物理以及原子、分子和光学物理领域的重要研究成果提供了快速传播的渠道。该期刊重点关注当前的热门主题，如冷原子与分子、新型拓扑材料及其相态，以及新型低维材料。此外，期刊还设有简要评论部分，旨在发表关于最新实验发现和紧急新理论发展的简短报告。

Category	Quartile
物理与天体物理	4
物理与天体物理, 物理应用	4
物理与天体物理, 物理凝聚态物理	4
物理与天体物理, 物理数学物理	4

The onset of Magneto–Darcy–Rayleigh–Bénard convection under local thermal non-equilibrium with two-layer system

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Journal Info

Category	Quartile
PHYSICS, MATHEMATICAL	2