Abstract
Several important characteristics of CNTs (carbon nanotubes) like excellent electrical conductivities, extraordinary thermal conductivities, good mechanical and chemical stability and extremely light mass make CNTs a model material which is utilized in various electro-chemical mechanisms. Keeping the said significance of carbon nanotubes in notice our main aim in this analysis is to establish the import relation of Darcy Forchheimer in three dimensional (3D) flows of classical fluid (water) based CNTs in presence of slip velocity due to rotating stretchable disk. Analysis of nanoparticles like single and multi-walled (SWCNTs, MWCNTs) carbon nanotubes are developed and equated. Present investigation further comprises non-linear thermal radiation, heat generation/absorption as well as convective thermal boundary condition aspects. The pertinent non-linear ordinary differential equations after utilizing the appropriate variables are calculated. HAM (Homotopy Analysis Method) technique is utilized for the analysis of velocities and thermal distribution. Various graphs have been plotted in order to examine that by what means the velocities and thermal field are altered by different model quantities. The main features of flow like the CFReα, CGReα (skin friction), Nu(Reα)−1/2 (heat transfer rate) have been intended numerically and graphically.
Highlights
The analysis of liquid flow due to a rotating disk has been wide range of applications in various fields such as rotational equipment’s, aerospace discipline, mechanical and chemical engineering industries, computer storing and electronics purposes, thermal power plant generating schemes, various medical tools, air cleaning apparatuses, the phenomena’s of crystal growing, enormous use in food processing industries, and many more
This section demonstrate the behavior of sundry physical quantities such as φ, S, λr, χ, ξ, δh > 0, δh < 0 Pr (Prandle number) and γ (Biot number) on F′(η)√, G(η), β(η), CF Reα, CG Reα and Nu(Reα)–1 2 (Nusselt number) versus single and multiwall (SWCNTs, MWCNTs) carbon nanotubes
The characteristics of various pertinent physical quantities φ, ξ, S, χ and λr versus F′(η) for SWCNTS, MWCNTs are explained through Fig. 2–6
Summary
MHD two layers flow of liquid over a rotating disk has been presented by Dandapat and Singh. Sheikholeslami et al. have studied uniform magnetic force impact on water based nanofluid thermal behavior in a porous enclosure with ellipse shaped obstacle. Mahanthesh et al. inspected the impact of nonlinear thermal radiation in CNTs based nanoliquid flow with Marangoni convection. In the field of physics and engineering thermal radiation have a critical impact on heat exchange and various liquids flows. The impact of nonlinear thermal radiation on Carreau nanoliquid flow through a convective heated media was deliberated by Khan et al.. Soomro et al. discussed 2-D stagnation point flow of nanoliquid over a horizontal extending sheet under the impact of slip velocity and heat generation/absorption. In the abovementioned cited work, not a single study has explored the mingled influences of heat generation or absorption as well as thermal radiation on three dimensional flow of CNTs nanoliquid over a stretchable rotating disk with slip velocity. HAM scheme. the behavior of some sundry parameters is elaborated through some tabular aids and graphs
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