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In modern years, the conversion on solar radiation toward thermal energy had taken the important consideration by the appeal about sustainable power and heat raises. Nanofluid could show the significant role on developing the behavior on solar-thermal systems when that our capabilities about heat transfer improvement. That article analyzed numerically the flow on the hybrid nanofluid over the microchannel in existence of nonlinear solar radiation about different solar-thermal appliance. Effect of exponential heat source or sink and convective boundary condition are the focal concern of this study. The flow form was transferred with non-dimensionless model by convenient transformation, this numerical outcomes on nonlinear complex equations was formed to applying bvp4c technique. Subsequently, to influences on applicable parameters by the heat transfer of fluid had being revealed through the favor into tabular and graphical access. Outcomes communicate this solar radiation faster heat transport into division. The hybrid solution show massive increasing on heat transport 44.59% about division. Temperature decreased in the microchannel due to Biot number. The imitation outcomes are approved from the past issued work.

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The aim of the present analysis was to the best part of the effect of a magnetohydrodynamic micropolar fluid over the convective surface boundary condition into cross-diffusion and linear radiative heats were assumed. The impact on chemical reaction and viscous dissipation is considered. This governing equation about flow fields was transformed with a non-dimensional design to apply relevant correlation variables. That ODE was defined with the bvp4c method. This result is entrusted into plots and tables about the consequence of diverse flow variables in the flow fields. They observed into appreciative temperature in the increase in the Dufour number, although the unfavorable force was recognized in the Richardson number. It was noticed that the higher velocity was placed on the Newtonian liquid on difference into that micropolar liquid. Concentration was the reducing function on chemical reaction parameters and Schmidt number.

The bioconvective flows are truly connected to real-life and engineering development. So, the models of biomicrosystems and biocells are considered for the technical analysis in this paper. Our intention for the current analysis was to theoretically examine electrical conduction flow into mass and heat transfer by an extensive gyrotactic microorganism into an inclined magnetic field toward a vertical stretching sheet with nonlinear solar radiation with different solar thermal appliances. The effect on velocity slip and Joule heating was again studied in detail. This classical problem on Navier Stokes equations to the current imitation was decreased to ordinary differential equations by applying the comparison method. The numerical solutions were changed by boundary value problem (BVP) to clarify the subject into finite difference numerical scheme by applying MATLAB. The important results show that the density of motile microorganisms reduces to the bioconvection Lewis number and Peclet number, although reverse performance was noticed for the bioconvection Rayleigh number. Further, solar radiation fosters heat transport. In this paper, complete analysis is provided for potential functions of solar thermoelectric cells, solar ponds, solar thermal power fabrication, etc.