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Nonlinear free convection flow of micropolar nanofluid over a cylinder

机译:圆柱体微基波纳米流体的非线性对流流动

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Buoyancy-determined steady, laminar nonlinear convection flow of micropolar nanofluid with Soret effect, viscous dissipation over a cylinder were evaluated numerically using method bvp4c from matlab software for assorted quantities of leading parameters. Mathematical modeling for the flow problem has been completed with fitting resemblance change and di-mensionless variable. A variable similarity solution is offered that bases on various quantities of leading parameters. Influences of these parameters on θ″(0), -h′(0), (θ)θ′(0), -Φ′(O) are tested and displayed with the charts and graphs. The convergence test has been continued; for quantity of spots larger than suitable mesh number of points. The correctness is unchanged, but it takes time. Also, a comparison with prior study reachable in the literature has been offered with very good conformity is got. The findings show that the existence of Soret number agrees to enhance concentration profile Φ(ζ), Wall couple stress coefficient -h′(0), θ″(0), and Nusselt number -(θ)′(0). But the presence of Eckert Number Ec, allows declining velocity, microrotation, temperature, and concentration profiles.
机译:浮力测定的稳定,微基波纳米流体的层状非线性对流流量,具有索孔效应,使用来自Matlab软件的方法BVP4C来评价圆柱体上的粘性耗散,用于各种主要的主要领先参数。流量问题的数学建模已经完成了拟合相似性变化和二无机变量。提供了一种可变相似度解决方案,基于各种数量的前导参数。测试并用图表和图形测试这些参数对θ“(0),-H'(0),-φ'(0),-φ'(0)的影响。收敛试验已继续;对于大于合适的网格数量的斑点的数量。正确性不变,但需要时间。此外,还提供了与文献中可达的先前研究的比较,并提供了非常好的符合性。结果表明,SORET数量的存在同意增强浓度曲线φ(ζ),壁耦合应力系数-H'(0),θ“(0)和NUSERET号 - (θ)'(0)。但是,Eckert Number EC的存在,允许速度下降,微观,温度和浓度剖面。

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