Modeling of electro-diffusive ternary nanofluid flow between rotating disks using the Poisson-Nernst-Planck framework with a non-Fourier heat-flux model.

Saima Riasat, Saira Iqbal, Sadia Hina, Ahmed Mir, Walid Hassen, Lioua Kolsi, Kaouther Ghachem

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Article in Discover nano, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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7 authors.

Saima RiasatDepartment of Mathematical Science, Fatima Jinnah Women University, Islamabad, 46000, Pakistan.

Saira IqbalDepartment of Mathematical Science, Fatima Jinnah Women University, Islamabad, 46000, Pakistan.

Sadia HinaDepartment of Mathematical Science, Fatima Jinnah Women University, Islamabad, 46000, Pakistan.

Ahmed MirDepartment of Chemical and Materials Engineering, College of Engineering, Northern Border University, P.O. Box 1321, Arar, Saudi Arabia.

Walid HassenLaboratory of Metrology and Energy Systems, University of Monastir, 5000, Monastir, Tunisia. hassen.walid@gmail.com.ORCID https://orcid.org/0000-0002-6779-2335

Lioua KolsiDepartment of Mechanical Engineering, College of Engineering, University of Ha'il, 81451, Ha'il City, Saudi Arabia.

Kaouther GhachemDepartment of Industrial and Systems Engineering, College of Engineering, Princess Nourah bint Abdulrahman University, P.O.Box 84428, 11671, Riyadh, Saudi Arabia.

Funding

Deanship of Scientific Research at Northern Border University, Arar, KSA NBU-FFR-2026-2928-01Princess Nourah bint Abdulrahman University Researchers PNURSP2026R41

6 · The paper itself

Abstract

This work analyze the unsteady axisymmetric electro-diffusive flow and heat transfer of a ternary nanofluid between two rotating disks within the Poisson-Nernst-Planck (PNP) framework, using a Tiwari-Das-type effective single-phase mixture description for the ternary nanofluid. The model incorporates electro-viscous effects, a magnetic field, porous-medium resistance, temperature-dependent thermal conductivity, homogeneous and surface-catalyzed heterogeneous reactions, and the non-Fourier heat-flux law. The numerical results were obtained utilizing MATLAB's bvp4c solver. The outcomes show that enhancing the Schmidt number reduces concentration profiles, while increasing the chemical reaction and surface-catalyzed reaction parameters reduces concentration. The temperature field increases with variable thermal conductivity and is more strongly enhanced by blade-shaped nanoparticles than by spherical particles, whereas stronger thermal radiation and larger thermal relaxation reduce the temperature distribution. In addition, increasing the Reynolds number decreases the tangential velocity. These findings provide an integrated numerical assessment of how established electro-viscous, reactive, variable-conductivity, and non-Fourier heat-transfer mechanisms interact in a ternary-nanofluid rotating-disk system.

Indexed as

Cattaneo–Christov heat fluxEffective-mixture ternary nanofluidElectro-diffusive flowElectro-viscous effectsPoisson–Nernst–Planck framework

Identifiers

PMID42446621

DOI10.1186/s11671-026-04783-4

PMCPMC13369100

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