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- Title
Convection of 3D MHD non‐Newtonian couple stress nanofluid flow via stretching surface.
- Authors
Jagadeesh, Shiva; Reddy, Marpadaga Chenna Krishna
- Abstract
This study involvesthe numerical modeling of steady thermal radiation and chemical reaction on non‐Newtonian fluid motion via a bidirectional stretching surface. We have taken convective boundary conditions, and heat sources on the stretching surface. The working fluid of the present study is Casson fluid ("non‐Newtonian") with couple stress. The self‐similarity forms of the nonlinear thermal radiative flow model are obtained by using similarity variables. Furthermore, the numerical results are computed with the help of fourth‐order Runge–Kutta–Fehlberg method with a shooting algorithm after reducing nonlinear partial differential equations have been translated into strong ordinary differential equations (ODEs). Impacts of the various flow physical parameters especially Biot number, nonlinear thermal radiation, and heat source parameters containing nonlinear ODEs are discussed in detail for distinct numerical values. A comparison of calculated results with the known numerical results made with the previously published literature is mentioned and obtained a good agreement. Finally, we found that the Rex1/2Cfx $R{e}_{x}^{1/2}{C}_{fx}$ ("coefficient of skin friction") declines along x*,y* $x* ,\,y* $ directions, respectively, with β $\beta $ via λ $\lambda $ while the opposite direction follows M $M$ with respect to λ $\lambda $ and the Rex−1/2Nux $R{e}_{x}^{-1/2}N{u}_{x}$ ("heat transfer rate"), Rex−1/2Sh $R{e}_{x}^{-1/2}Sh$ ("mass transfer rate") increase with Γ $\Gamma $ via γ1 ${\gamma }_{1}$ while opposite direction follows γ1 ${\gamma }_{1}$ with respect to γ2 ${\gamma }_{2}$.
- Subjects
NON-Newtonian flow (Fluid dynamics); NANOFLUIDS; NON-Newtonian fluids; HEAT radiation &; absorption; RADIATIVE flow; ORDINARY differential equations; NONLINEAR differential equations
- Publication
Heat Transfer, 2023, Vol 52, Issue 2, p1081
- ISSN
2688-4534
- Publication type
Article
- DOI
10.1002/htj.22730