The optimization of heat transfer in thermally convective micropolar-based nanofluid flow by the influence of nanoparticle's diameter and nanolayer via stretching sheet: Sensitivity analysis approach

Liaqat Ali, Pardeep Kumar, Zahoor Iqbal, Sharifah E. Alhazmi, Sujesh Areekara, M. M. Alqarni, Alphonsa Mathew, Retna Apsari

Research output: Contribution to journalArticlepeer-review

31 Citations (Scopus)

Abstract

The proposed study demonstrates the flow phenomenon and thermo-variation of a magnetized stretching sheet induced-radiative nanofluid flow. By incorporating the response surface methodology, the heat transfer rate of the thermally convective flow of nanofluid is optimized. The graphene nanomaterial is used in the water-based nanofluid. A dynamic magnetic field, thermal radiation, and the Cattaneo-Christov heat flux model have used to represent the thermal behavior of the nanofluid. The simulation utilizes experimentally estimated values for the nanomaterial's thermal conductivity and viscosity. To further reveal the thermal enhancement of the flow, the impact of nanoparticle diameter and the solid-liquid interfacial layer is proposed at the molecular level. The response surface methodology and the sensitivity analysis has used to examine the effects of the nanoparticle volume fraction, Biot number, and magnetic parameter on the rate of heat transfer statistically. A set of equations is formed from the governing partial differential equations by implementing suitable similarity transformations. The bvp4c approach is used to solve the problem numerically. The effect of various parameters has displayed through tables, graphs, and surface plots on heat transfer, mass transfer, and the local Nusselt number. It is discovered that as the Biot number increases, so does the concentration and temperature profile. An excellent accord between the present and previously existing solutions is establishing the validity of the achieved results.

Original languageEnglish
Pages (from-to)313-330
Number of pages18
JournalJournal of Non-Equilibrium Thermodynamics
Volume48
Issue number3
DOIs
Publication statusPublished - 1 Jul 2023

Keywords

  • Cattaneo-Christov
  • nanofluid
  • nanoparticle diameter
  • response surface methodology
  • thermal radiation

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