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An analysis has been carried out for the radiative MHD flow of an aqueous ethylene glycol nanofluid past a two-way exponentially extending lamina. Appropriate transformation is used to reduce the nonlinear partial differential system to an ordinary differential system. The resulting nonlinear ordinary differential system is solved numerically using fourth order Runge Kutta shooting method for the satisfaction of asymptotic boundary condition. The velocity and temperature sketches of copper and alumina in aqueous ethylene glycol (a-EG) nanofluid for the present physical stratum are obtained and displayed graphically by fixing various values for pertinent factors of the problem namely, velocity ratio factor (λ), magnetic interaction factor (M), nanoparticle volume fraction (φ), exponential coefficient factor(A) and temperature-radiation factor (R d ) fixing the Prandtl number of the core fluid (a-EG) constant at 25.825 skin friction coefficient and rate of heat transfer for various factors of the problem are tabulated and compared with the existing results in the literature. Finally numerical simulation with comparisons is provided to demonstrate the effectiveness of the obtained result.

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The current study investigates heat transfer enhancement due to the radiative magnetohydrodynamics (MHD) flow of a hybrid nanofluid MathClass-open[ MathClass-open( Cu + Al 2 O 3 MathClass-close) ∕ ( CH 2 OH ) 2 MathClass-close] past a porous stretching cylinder under the influence of variable viscosity as well as suction. The nonlinear partial differential equations governing the proposed physical model are transformed into nonlinear ordinary differential equations by applying suitable similarity transformation. The scaled‐down system is solved numerically by the fourth‐order Runge–Kutta method along with shooting technique for the achievement of asymptotic boundary condition. The velocity and temperature profiles are obtained for various physical factors of the problem, namely, magnetic interaction factor ( M ), Reynolds number ( R e ), volume fraction factor of copper ( ϕ 2 ), variable viscosity ( δ ), and radiation factor MathClass-open( R d MathClass-close), together with suction ( γ ), by fixing the Prandtl number of the core fluid (ethylene glycol) constant at 25.825. The numerical values of skin friction and the rate of heat transfer are obtained and tabulated. To validate the proposed physical model, numerical simulations are provided with comparison. The paper highlights the effects of physical factors, namely, radiation, variable viscosity, and suction parameters, on the flow of a hybrid nanoflluid for heat transfer enhancement.

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