Abstract
Our main objective in the present work is to elaborate the characteristics of heat transport and magneto-hydrodynamics (MHD) finite film flow of human blood with Carbon Nanotubes (CNTs) nanofluids over a stretchable upright cylinder. Two kinds of CNTs nanoparticles, namely (i) SWCNTs (single walled carbon nanotubes) and (ii) MWCNTs (multi walled carbon nanotubes), are used with human blood as a base liquid. In addition, a uniform magnetic field (B) has been conducted perpendicularly to the motion of nanoliquid. The transformation of the partial differential structure into a non-linear ordinary differential structure is made by using appropriate dimensionless quantities. The controlling approach of the Homotopy analysis method (HAM) has been executed for the result of the velocity and temperature. The thickness of the coating film has been kept variable. The pressure distribution under the variable thickness of the liquid film has been calculated. The impacts of different variables and rate of spray during coating have been graphically plotted. The coefficient of skin friction and Nusselt number have been presented numerically. In addition, it is noticed that the thermal field of a nanoliquid elevates with rising values of ϕ and this increase is more in SWCNTs nanofluid than MWCNTs nanofluid.
Highlights
The M governs an opposing force named the Lorentz force and a greater magnitude of M upsurges the skin friction. This drop-in influence is fast using the single wall carbon nanotubes (SWCNTs) as compared to the multi wall carbon nanotubes (MWCNTs)
The current study explores the effect of MHD, heat transfer, and pressure distribution of thin layer flow of Casson nanofluid over a stretching upright cylinder
Two forms of Carbon Nanotubes (CNTs), namely SWCNTs and MWCNTs, were picked as nanoparticles to be applied in human blood base fluid
Summary
Nanofluid, characterized by a significant increase in the heat and mass transfer rate compared to conventional engineered fluid (oils, lubricants, water, ethylene glycol, etc.) [1], is found to serve in a number of engineering applications, for instance, the solar energy system [2], fuel-cell industry [3], petroleum engineering [4,5,6], materials science [7,8], etc. Haq et al [16] investigated the impact of the thermal conductivity and viscosity of CNTs nanoparticles within three different base fluids (water, engine oil, and ethylene glycol) in nanofluid flowing over a stretching surface. Aman et al [18] examined the effect of MHD on the flow of non-Newtonian CNTs nanofluid. They used three kinds of base liquid. Khan et al [26] explored the phenomena of MHD spray scattering on a stretching cylinder using nanoparticles Al2 O3 and CuO water-based nanoliquids. The thin film Casson nanofluid (human blood) flow comprising CNTs nanoparticles is analyzed with uniform MHD over a stretching upright cylinder.
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