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首页> 外文期刊>Heat transfer >Nonlinear convection flow of dissipative Casson nanofluid through an inclined annular microchannel with a porous medium
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Nonlinear convection flow of dissipative Casson nanofluid through an inclined annular microchannel with a porous medium

机译：通过具有多孔介质的倾斜环状微通道的耗散碳酸碳纳米流体的非线性对流流动

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摘要

The nonlinear convection study on the flow of a dissipative Casson nanofluid through a porous medium of an inclined micro-annular channel is presented. The cylindrical surfaces were conditioned to temperature increase and velocity slip effects. A uniform magnetic field strength was applied perpendicular to the cylinder surface. The heat source and Darcy number influence are explored in the examination of the blood rheological model (Casson) through the annular cylinder. Appropriate dimensionless variables are imposed on the dimensional equations encompassing Casson nanofluid rheology through an annular microchannel. The resulting systems of equations were solved and computed numerically via Chebyshev-based collocation approach. Thus, the solutions of flow distributions, volumetric flow rate, and other flow characteristics were obtained. The result shows that both nonlinear convection parameters decrease the nanoparticle volume fraction, whereas they increase the energy and momentum distributions. Moreover, the volumetric flow rate is upsurged significantly by a wider porous medium, annular gap, a higher Casson parameter, and nonlinear convection influence.
机译：提出了一种通过倾斜微环形通道的多孔介质的耗散碳酸碳纳米流体流动的非线性对流研究。圆柱形表面被调节到温度升高和速度滑动效果。垂直于汽缸表面施加均匀的磁场强度。通过环形圆筒检查血液流变模型（Casson）的血液流变模型（Casson）探讨了热源和达西数。通过环形微通道施加适当的无量变量对包括Casson纳米流体流变学的尺寸方程。通过基于Chebyshev的搭配方法来解决和计算所得等式系统。因此，获得了流动分布，体积流速和其他流动特性的溶液。结果表明，两个非线性对流参数降低了纳米颗粒体积分数，而它们增加能量和动量分布。此外，通过更宽的多孔介质，环形间隙，较高的Casson参数和非线性对流影响，体积流速显着振动。

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