Abstract
The present article investigated the unsteady flow of a nanofluid past an isothermal magnetized plate emanating from a moving slot. This unique form of unsteady boundary layer flow is analogous to stretching/shrinking sheet problems subject to the direction of motion of the slot. Governing partial differential equation can be reduced into a similar form using the Blasius–Rayleigh–Stokes variable. The consequences of the movable slot and magnetic field on flow and heat transfer of nanofluid are examined by solving the problem numerically. The behavior of the magnetic field in the presence of nanoparticles is also examined. Effects of the magnetic field upon the existence of dual solutions for the specific range of moving slot parameter are also studied in detail.
Highlights
Precise and efficient control of heat transfer and fluid flow under extreme conditions is important for future science and technology
Nanofluids, an accomplishment of researchers and scientists of nanotechnology have improved the thermal conductivity of a fluid by exploiting the thermal conductivity of solids when tiny solid particles are added to the carrier fluid
The dispersion model is another model based on the surveillance, that the nanofluid has enhanced heat transfer due to high thermal conductivity and dispersion of nanofluids
Summary
Precise and efficient control of heat transfer and fluid flow under extreme conditions is important for future science and technology. Pure fluid equations are directly extended to nanofluids in a homogenous flow model proposed by Choi.[4] The dispersion model is another model based on the surveillance, that the nanofluid has enhanced heat transfer due to high thermal conductivity and dispersion of nanofluids. Buongiorno,[5] rejected the dispersion model, clearly mentioned that the nanofluids have negligible effects of heat transfer for nanoparticle dispersion. He proposed a unique model to eradicate the shortcomings of the above-mentioned models. Lu et al.[18] conducted a detailed analysis of heat transfer of unsteady flow of viscous-based nanofluids past a plate evolving from a movable slot using Blasius–Rayleigh–Stoke variable.
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