Abstract
The current study is designed to analyze the thermal assessment of Oldroyd-B nanofluid past a porous boundary with a heat source/sink. The investigation is achieved by considering the nanoparticle aggregation effect. The revised model for thermal conductivity and dynamic viscosity are employed to simulate nanoliquids with the nanoparticle aggregation feature. The prospective of homogeneous-heterogeneous reactions and thermosolutal Marangoni convection is also considered. A comparative analysis is performed to verify the approximated solution. A mathematical model is developed for the flow problem with corresponding boundary constraints in terms of partial differential equations (PDEs). Later, similarity transformation is introduced to assist the investigation and to attain the reduced ordinary differential equations (ODEs). Further, using the Runge-Kutta method of order fourth fifth along with the shooting technique, the numerical calculation of this model is computed. The manuscript aims to discuss various issues that occurred for the said model. The outcome reveals that the fluid flow with nanoparticles aggregation case shows improved heat transport than for improved heat source/sink parameter values. Furthermore, for augmented values of strength of homogeneous and heterogeneous reaction parameters, the mass transfer is greater in fluid flow with aggregation conditions.
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