Abstract
Background and objectivesThis work is a theoretical investigation of a viscoelastic fluid of which heat transfer properties are explored in the presence of nanoparticles. Further the viscous dissipation has been mathematically modeled in the energy equation. MethodologyThe physical model is handled using fluid dynamics fundamental equations. Buongiorno nanofluid model is utilized to study the nanofluid properties. The resulting coupled boundary value problem is nondimensionalized and solved by Keller box method. SignificanceBackflow in the inclined channels can be witnessed at any Reynolds number and at any opening angle of the channel. In the present study, the same has been investigated when nanoparticles are added to the viscoelastic fluid flowing through the inclined channel. Numerical findingsThe viscous dissipation elevated the temperature profile and Schmidt number upsurged the nanoparticles concentration in the converging channel for stretching case and vice versa behaviour is observed for the diverging channel.
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