Abstract
An analysis was carried out to study the mixed convection flow of a non-Newtonian second grade fluid past an inclined stretching sheet in the presence of a g-jitter effect. The transformed governing equation, consisting of coupled non-linear partial differential equations, was solved numerically using an implicit finite-difference scheme known as the Keller-box method. The flow and heat transfer characteristics in terms of velocity and temperature profiles as well as the skin friction and heat transfer coefficients influenced by the amplitude of modulation, frequency of oscillation, inclination angle and second grade parameters were presented graphically and analysed in detail. The findings revealed that the heat transfer coefficient is enhanced with an increase in the second grade parameter, whereas the opposite trend is observed for the skin friction coefficient.
Highlights
Second grade fluid, known as viscoelastic fluid, is a non-Newtonian fluid due to the nonlinear relationship between stress and the rate of strain
It is essential to analyse the effect of an inclined plate on second grade fluid because of its great importance in the engineering, technology and manufacturing
Under the boundary layer and Boussinesq approximations, the basic governing equation of a second grade fluid moving past an inclined stretching sheet can be written as:
Summary
Known as viscoelastic fluid, is a non-Newtonian fluid due to the nonlinear relationship between stress and the rate of strain. Hayat et al [7] investigated the three-dimensional mixed convection flow of viscoelastic fluid past an exponentially stretching surface by taking into account the effects of thermal radiation and convective conditions. In all of the above-mentioned papers, the second grade fluid flow over an inclined plate was not considered. It is essential to analyse the effect of an inclined plate on second grade fluid because of its great importance in the engineering, technology and manufacturing
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