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THERMAL NON-EQUILIBRIUM EFFECTS ON THE INSTABILITY MECHANISM IN A NON-NEWTONIAN JEFFREY FLUID SATURATED POROUS LAYER

巻 25, 発行 2, 2022, pp. 1-12
DOI: 10.1615/JPorMedia.2021038392
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要約

In this work, the impact of local thermal nonequilibrium (LTNE) state on the convective instability of non-Newtonian Jeffrey fluid in a porous matrix is analyzed using a two-field temperature model. In view of the linear stability concept, the onset conditions for the convective instability are obtained analytically in terms of critical Rayleigh-Darcy number RD,c. The results demonstrate that the stability of the system improves with interphase heat-transmit parameter NHT , while it decreases with the Jeffrey parameter λ and altered thermal conductivities ratio γ. Some existing outcomes in the literature are also recuperated as specific states from this examination.

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によって引用された
  1. Yadav Dhananjay, Al-Siyabi Maimouna, Awasthi Mukesh Kumar, Al-Nadhairi Salma, Al-Rahbi Amna, Al-Subhi Maryam, Ragoju Ravi, Bhattacharyya Krishnendu, Chemical Reaction and Internal Heating Effects on the Double Diffusive Convection in Porous Membrane Enclosures Soaked with Maxwell Fluid, Membranes, 12, 3, 2022. Crossref

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