Stagnation-Point Flow and Heat Transfer Over an Exponentially Stretching/Shrinking Sheet in Hybrid Nanofluid with Slip Velocity Effect: Stability Analysis

The effect of slip on stagnation point flow and heat transfer over an exponentially stretching/shrinking sheet filled with Copper-Alumina/water nanofluids is investigated numerically in this paper. The governing boundary layer equations are transformed into a set of ordinary differential equations u...

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Bibliographic Details
Published in:Journal of physics. Conference series 2019-11, Vol.1366 (1), p.12002
Main Authors: Anuar, N S, Bachok, N, Arifin, N M, Rosali, H, Pop, I
Format: Article
Language:English
Subjects:
Aluminum oxide
Boundary layer equations
Copper
Differential equations
Flow distribution
Flow stability
Heat transfer
Nanofluids
Nanoparticles
Ordinary differential equations
Parameters
Physics
Slip velocity
Stability analysis
Stagnation point
Stretching
Viscous fluids
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Summary:The effect of slip on stagnation point flow and heat transfer over an exponentially stretching/shrinking sheet filled with Copper-Alumina/water nanofluids is investigated numerically in this paper. The governing boundary layer equations are transformed into a set of ordinary differential equations using a similarity transformation and then solved numerically using the bvp4c function in Matlab. The effects of nanoparticle volume fraction, slip parameter and stretching/shrinking parameter on the flow pattern and heat transfer have been studied. It is found that dual solutions exist for hybrid nanofluid in the case of shrinking sheet. Furthermore, slip parameter and Copper nanoparticle acts in widening the range of solution. Hybrid nanofluids have the higher heat transfer rate compared to nanofluid and viscous fluid. A stability analysis showed that the first solution is linearly stable and physically realizable.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1366/1/012002