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首页> 外文期刊>Physica Scripta: An International Journal for Experimental and Theoretical Physics >Significance of Coriolis force on the dynamics of water conveying copper and copper oxide nanoparticles
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Significance of Coriolis force on the dynamics of water conveying copper and copper oxide nanoparticles

机译：科里奥利力对水输送铜和氧化铜纳米粒子动力学的意义

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摘要

The worth of the study is to explore how in the presence of Coriolis force, heat and mass transfer rates are optimized through water carrying nanoparticles of more than one type and how this force affects various factors of the flow to make them easy come easy go. The aim of the current study is to analyze the vital characteristic of flow in particular velocity, temperature, concentration, heat flux at the surface, and tangential stress for both nanofluid CuO-water and hybrid nanofluid Cu/Cuo-water over a stretching surface in presence of Coriolis force. Partial differential equations for flow, energy, and concentration are constructed and transformed into ordinary differential equations by using suitable transformations. A highly reliable numerical scheme namely midpoint integration accompanied by Richardson's extrapolation is launched to solve these equations. A computer softwareMAPLEis taken in to account to tackle the problem. Results are expressed through graphs and tables. The major conclusions are that the Coriolis force declines the velocity boundary and heat transmission rate but increases the thermal boundary of nanofluid. The heat sink/source factor uplifts the thermal boundary while Schmidt number enhances the mass concentration.
机译：这项研究的价值在于探索在科里奥利力存在的情况下，如何通过一种以上类型的载水纳米颗粒优化传热传质速率，以及这种力如何影响流动的各种因素，使其易于实现。本研究的目的是分析在科里奥利力作用下，纳米流体CuO-water和混合纳米流体Cu/CuO-water在拉伸表面上的流动特性，特别是速度、温度、浓度、表面热流和切向应力。建立了流动、能量和浓度的偏微分方程，并通过适当的变换将其转化为常微分方程。为了求解这些方程，我们采用了一种高度可靠的数值格式，即中点积分和理查森外推。为了解决这个问题，采用了计算机软件。结果通过图表表示。主要结论是，科里奥利力降低了纳米流体的速度边界和传热速率，但增加了热边界。热沉/源因子提高了热边界，而施密特数提高了质量浓度。

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