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<p>This study presents a groundbreaking investigation into the three-dimensional flow of a ternary nanofluid over a stretching surface, integrating advanced models for non-Newtonian fluids, electromagnetic effects, and non-Fourier heat conduction. The combination of <InlineEquation ID="IEq1"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="13369_2025_10058_Article_IEq1.gif" Format="GIF" Height="19" Rendition="HTML" Resolution="72" Type="Linedraw" Width="146" /> </InlineMediaObject> <EquationSource Format="TEX">\(\left( Al_{2}O_{3},CuO,TiO_{2}\right) \)</EquationSource> <EquationSource Format="MATHML"><math> <mfenced close=")" open="("> <mi>A</mi> <msub> <mi>l</mi> <mn>2</mn> </msub> <msub> <mi>O</mi> <mn>3</mn> </msub> <mo>,</mo> <mi>C</mi> <mi>u</mi> <mi>O</mi> <mo>,</mo> <mi>T</mi> <mi>i</mi> <msub> <mi>O</mi> <mn>2</mn> </msub> </mfenced> </math></EquationSource> </InlineEquation> nanoparticles in a water-based Casson fluid, incorporating Hall and ion slip effects within a Cattaneo–Christov double-diffusion framework. The inclusion of nanoparticles significantly enhances heat transfer rates, Hall and ion slip parameters exhibit a pronounced effect on velocity profiles and Cattaneo–Christov model reveals notable deviations in temperature profiles. Employing an enhanced finite-element method, we provide comprehensive numerical solutions, validated against existing literature for special cases. Our results offer new insights into complex nanofluid systems, with direct applications in advanced cooling technologies, biomedical engineering, and next-generation heat exchangers.</p>

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Numerical Investigation of Heat and Mass Transfer Enhancement in Ternary Nano-Casson Fluid in the Presence of Cattaneo−Christov Theory with Hall and Ion Slip Effects

  • 期刊论文

  • 发表日期：

    2025年4月16日

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  • Muhammad Abid,
  • Tayyaba Akhtar,
  • Madiha Bibi

摘要

This study presents a groundbreaking investigation into the three-dimensional flow of a ternary nanofluid over a stretching surface, integrating advanced models for non-Newtonian fluids, electromagnetic effects, and non-Fourier heat conduction. The combination of \(\left( Al_{2}O_{3},CuO,TiO_{2}\right) \) A l 2 O 3 , C u O , T i O 2 nanoparticles in a water-based Casson fluid, incorporating Hall and ion slip effects within a Cattaneo–Christov double-diffusion framework. The inclusion of nanoparticles significantly enhances heat transfer rates, Hall and ion slip parameters exhibit a pronounced effect on velocity profiles and Cattaneo–Christov model reveals notable deviations in temperature profiles. Employing an enhanced finite-element method, we provide comprehensive numerical solutions, validated against existing literature for special cases. Our results offer new insights into complex nanofluid systems, with direct applications in advanced cooling technologies, biomedical engineering, and next-generation heat exchangers.