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首页> 外文期刊>Physica Scripta: An International Journal for Experimental and Theoretical Physics >Analysis of Ag/blood-mediated transport in curved annulus with exclusive nature of convective boundary
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Analysis of Ag/blood-mediated transport in curved annulus with exclusive nature of convective boundary

机译：具有对流边界的专用性质的曲率/血液介导运输分析

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摘要

This model is concerned with the shape impact of Ag nanoparticles on peristaltic flow through a curved annulus having convective heated walls. An endoscope is a medical device for surgical use, which is inserted into the body to treat diseases. The silver nanoparticles are incorporated with unusual shapes such as platelets, cylinders and bricks. In the curved tube, the nature of Ag/blood-mediated transport is formulated in a toroidal coordinate system. The ratio of the half-tube-width to the wavelength is tiny enough to maintain a uniform pressure over the cross-section. A perturbation technique is used to solve the formulated equations for axial velocity and energy. The plots for explicit values of the embedded parameters such as the Biot number, endoscope radius, amplitude ratio and volume fraction are presented. One important finding of the present study is that the velocity increases near the inner wall of the endoscope whereas it declines close to the outer tube wall. A notable difference is observed between the flows through a non-curved and curved annulus in the obtained results. The curvature parameter enhances the velocity for the curved tube more significantly.
机译：该模型涉及Ag纳米粒子对通过具有对流加热壁的弯曲环的蠕动流动的形状撞击。内窥镜是用于手术用途的医疗装置，插入身体以治疗疾病。银纳米颗粒掺入不寻常的形状，例如血小板，汽缸和砖块。在弯曲管中，在环形坐标系中配制Ag /血液介导的传输的性质。半管宽与波长的比率足够微小，以在横截面上保持均匀的压力。使用扰动技术来解决用于轴向速度和能量的配制方程。提出了嵌入式参数的显式值的曲线，例如Biot数，内窥镜半径，幅度比和体积分数。本研究的一个重要发现是，内窥镜的内壁附近的速度增加，而它靠近外管壁下降。在所获得的结果中通过非弯曲和弯曲环之间观察到显着差异。曲率参数更大地增强了弯曲管的速度。

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