Abstract
Hidden effects of MHD and thermal radiations for a viscous dissipative nanofluids (Al_2 O_3-H_2 O, and γAl_2 O_3-H_2 O) are taken under consideration. The models are formulated by implementing the suitable similarity transformations. Then, two models are discussed mathematically by using RK scheme together with shooting method. The results for flow regimes, coefficient of skin friction, thermophysical characteristics and heat transfer coefficient are pictured and discussed comprehensively by changing the pertinent flow parameters. It is observed that the nanofluids velocity increases abruptly for higher Hartree pressure gradient. For assisting flow situation, the velocity F'(η) increases and abrupt decreasing behavior is examined for opposing flow case. The composition of Al_2 O_3-H_2 O, and γAl_2 O_3-H_2 O becomes more dense for high volume fraction therefore, drops in the velocity field is noted. The temperature of Al_2 O_3-H_2 O, and γAl_2 O_3-H_2 O rises rapidly by varying opposing flow parameter γ<0 and high volume fraction ϕ. Also, the temperature β(η) declines abruptly for parameter λ.
Highlights
The analysis of the host fluids saturated by various sort of nanoparticles over a wedge geometry is of the essential and interesting topic in fluid dynamics and heat transfer phenomena
A novel radiative and dissipative study on Al2O3 − H2O and γAl2O3 − H2O nanofluids heat transfer model in the presence of applied magnetic field is considered over wedge
Two nanofluids models are obtained corresponding to two different sort of nanoparticles together with host liquid water
Summary
The analysis of the host fluids saturated by various sort of nanoparticles over a wedge geometry is of the essential and interesting topic in fluid dynamics and heat transfer phenomena. Viscous Dissipative Nanofluid Flow Models inspired by the work of Falkner and Skan [4, 5] and extended the boundary layer model for non-Newtonian fluid and found fascinating results They analyzed the flow characteristics over a fixed wedge in the fluid. Watanabe [9] and Watanabe and Pop [10] extended the Falkner Skan model by considering the phenomena of free and forced convection and explored the hidden effects on the flow characteristics, respectively. They presented the impacts of magnetic field, suction and injection in the flow field.
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