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<p>The present study explores the consequence of homogeneous–heterogeneous chemical reactions on the unsteady flow of Boger ternary nanoliquid via a slow rotating disk with the porous medium, suction, and non-linear thermal radiation. Additionally, the temperature equation is modelled using the Cattaneo–Christov heat flux theory. Fluid flow past revolving disk concepts are utilized in various technical applications, including gas turbine engines, flywheels, gears, and brakes. The analysis considers titanium dioxide, cobalt ferrite, and magnesium oxide nanoparticles that are suspended in water. Using similarity variables, the governing partial differential equations (PDEs) are converted to dimensionless ordinary differential equations (ODEs). Further, the resultant ODEs are numerically solved using the finite difference method (FDM). The impact of several parameters on the velocity, thermal, and concentration profiles are depicted with the graphical illustrations. The velocity profiles decline as the ratio of relaxation time and porous parameter values rise. An increase in the solvent fraction parameter enhances the velocity profiles. The velocity profiles diminish as the suction parameter increases. As the radiation parameter values increase, the temperature profile rises. The concentration profile diminishes as the intensity of the homogeneous and heterogeneous reaction parameters escalates.</p>

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Deciphering of solvent fraction, thermal relaxation and cubic autocatalysis in unsteady nonlinear radiative ternary nanoliquid flow over a slow rotating disk

  • 期刊论文

  • 发表日期：

    2025年5月10日

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  • Thanesh Kumar,
  • Prabhakara Reddy Deevi Reddy,
  • Anitha Deevi Reddy,
  • Srinivas Remidi,
  • Jasgurpreet Singh Chohan,
  • Ankit Kedia

摘要

The present study explores the consequence of homogeneous–heterogeneous chemical reactions on the unsteady flow of Boger ternary nanoliquid via a slow rotating disk with the porous medium, suction, and non-linear thermal radiation. Additionally, the temperature equation is modelled using the Cattaneo–Christov heat flux theory. Fluid flow past revolving disk concepts are utilized in various technical applications, including gas turbine engines, flywheels, gears, and brakes. The analysis considers titanium dioxide, cobalt ferrite, and magnesium oxide nanoparticles that are suspended in water. Using similarity variables, the governing partial differential equations (PDEs) are converted to dimensionless ordinary differential equations (ODEs). Further, the resultant ODEs are numerically solved using the finite difference method (FDM). The impact of several parameters on the velocity, thermal, and concentration profiles are depicted with the graphical illustrations. The velocity profiles decline as the ratio of relaxation time and porous parameter values rise. An increase in the solvent fraction parameter enhances the velocity profiles. The velocity profiles diminish as the suction parameter increases. As the radiation parameter values increase, the temperature profile rises. The concentration profile diminishes as the intensity of the homogeneous and heterogeneous reaction parameters escalates.