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首页> 外文期刊>Mathematical Problems in Engineering >The Influence of Slip Boundary Condition on Casson Nanofluid Flow over a Stretching Sheet in the Presence of Viscous Dissipation and Chemical Reaction
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The Influence of Slip Boundary Condition on Casson Nanofluid Flow over a Stretching Sheet in the Presence of Viscous Dissipation and Chemical Reaction

机译：存在黏性耗散和化学反应时滑移边界条件对拉伸片上Casson纳米流体流动的影响

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摘要

The impacts of multiple slips with viscous dissipation on the boundary layer flow and heat transfer of a non-Newtonian nanofluid over a stretching surface have been investigated numerically. The Casson fluid model is applied to characterize the non-Newtonian fluid behavior. Physical mechanisms responsible for Brownian motion and thermophoresis with chemical reaction are accounted for in the model. The governing nonlinear boundary layer equations through appropriate transformations are reduced into a set of nonlinear ordinary differential equations, which are solved numerically using a shooting method with fourth-order Runge-Kutta integration scheme. Comparisons of the numerical method with the existing results in the literature are made and an excellent agreement is obtained. The heat transfer rate is enhanced with generative chemical reaction and concentration slip parameter, whereas the reverse trend is observed with destructive chemical reaction and thermal slip parameter. It is also noticed that the mass transfer rate is boosted with destructive chemical reaction and thermal slip parameter. Further, the opposite influence is found with generative chemical reaction and concentration slip parameter.
机译：数值研究了具有粘性耗散的多个滑移对非牛顿纳米流体在拉伸表面上的边界层流动和传热的影响。应用Casson流体模型来表征非牛顿流体行为。在模型中考虑了负责布朗运动和具有化学反应的热泳的物理机制。通过适当的变换，将支配的非线性边界层方程简化为一组非线性常微分方程，可以使用具有四阶Runge-Kutta积分方案的射击方法对其进行数值求解。数值方法与文献中已有的结果进行了比较，并获得了很好的一致性。发生化学反应和浓度滑移参数可提高传热速率，而破坏性化学反应和热滑移参数可观察到相反的趋势。还注意到，破坏性化学反应和热滑移参数提高了传质速率。此外，在生成化学反应和浓度滑移参数方面发现了相反的影响。

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  • 来源
    《Mathematical Problems in Engineering》 |2017年第7期|3804751.1-3804751.12|共12页
  • 作者

    Afify Ahmed A.;

  • 作者单位

    Qassim Univ, Dept Math, Deanship Educ Serv, POB 6595, Buraydah 51452, Saudi Arabia|Helwan Univ, Dept Math, Fac Sci, POB 11795, Cairo, Egypt;

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