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Hydrodynamic and Thermal Slip Effect on Double-Diffusive Free Convective Boundary Layer Flow of a Nanofluid Past a Flat Vertical Plate in the Moving Free Stream

机译：流体动力学和热滑效应对运动自由流中流经平面垂直平板的纳米流体的双扩散自由对流边界层流的影响

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摘要

The effects of hydrodynamic and thermal slip boundary conditions on the double-diffusive free convective flow of a nanofluid along a semi-infinite flat solid vertical plate are investigated numerically. It is assumed that free stream is moving. The governing boundary layer equations are non-dimensionalized and transformed into a system of nonlinear, coupled similarity equations. The effects of the controlling parameters on the dimensionless velocity, temperature, solute and nanofluid concentration as well as on the reduced Nusselt number, reduced Sherwood number and the reduced nanoparticle Sherwood number are investigated and presented graphically. To the best of our knowledge, the effects of hydrodynamic and thermal slip boundary conditions have not been investigated yet. It is found that the reduced local Nusselt, local solute and the local nanofluid Sherwood numbers increase with hydrodynamic slip and decrease with thermal slip parameters.
机译：数值研究了流体动力学和热滑动边界条件对纳米流体沿半无限平面固体垂直平板的双扩散自由对流的影响。假定自由流正在移动。控制边界层方程是无量纲的，并转换成非线性耦合相似方程组。研究了控制参数对无量纲速度，温度，溶质和纳米流体浓度以及减少的Nusselt数，减少的Sherwood数和减少的纳米粒子Sherwood数的影响，并以图形方式呈现。据我们所知，尚未研究流体动力和热滑边界条件的影响。发现减少的局部Nusselt，局部溶质和局部纳米流体Sherwood数随流体动力滑移而增加，随热滑移参数而减小。

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