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首页> 外文期刊>Physica Scripta: An International Journal for Experimental and Theoretical Physics >Entropy generation for peristaltic motion of Carreau's fluid with mixture of ethylene glycol and boron-nitride nanoparticles
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Entropy generation for peristaltic motion of Carreau's fluid with mixture of ethylene glycol and boron-nitride nanoparticles

机译：具有乙二醇和氮化硼纳米粒子的混合物的Carreau流体蠕动的熵生成

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Present work addresses the mixed convective peristaltic transport of electrically conducting ethylene glycol and boron-nitride nanofluids through inclination of asymmetric channel. This investigation also includes the effects of Hall and Ohmic heating. The factor of thermal conductivity is considered to change with temperature. Computations have been done for entropy, temperature, velocity, pressure gradient and concentration by considering the lubrication theory. Analytical solutions of nonlinear system have been computed through homotopy perturbation method. Entropy generation is analyzed graphically under Brownian movement, variable conductivity and thermophoresis aspects. Numeric benchmark of heat mass transport rates is presented. Stresses at the boundaries are examined using bar charts. This research shows that the studied nanofluid presents rise in entropy generation for increase in Hall parameter while reduction is noted when thermal and concentration Grashoff numbers increases. Entropy generation can be controlled at the upper wall when inclination of channel increases but at the same time it rises at the lower wall. Also, the results are found to be in good agreement with the numerical and outcomes reported previously.
机译：目前工作通过不对称通道的倾斜地解决了导电乙二醇和氮化硼纳米流体的混合对流蠕动传输。该调查还包括大厅和欧姆加热的影响。认为导热性因子随温度而变化。考虑润滑理论，已经为熵，温度，速度，压力梯度和浓度进行了计算。通过同型扰动方法计算非线性系统的分析解。在褐色运动下以图形方式分析熵生成，可变导电性和热孔化方面。提出了热量传输速率的数值基准。使用条形图检查边界处的应力。该研究表明，研究的纳米流体呈上熵产生的熵产生，同时在热量和浓度的GRASHOFF数增加时注意到降低。当通道的倾斜增加时，可以在上壁上控制熵生成，但同时它在下墙上升起。此外，结果发现与先前报告的数值和结果一致。

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