线性辐射拉伸/收缩片在含有纳米碳管的随时间变化的混合纳米流体流动中的多样化作用

IF 1.9 4区 物理与天体物理 Q2 PHYSICS, MULTIDISCIPLINARY
Pramana Pub Date : 2024-07-27 DOI:10.1007/s12043-024-02797-0
Surender Ontela, S R Mishra, P K Pattnaik, Subhajit Panda
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引用次数: 0

摘要

在医疗应用中,碳纳米管(CNT)被用作定向给药的适应性药物载体,利用其精确封装和释放治疗化合物的能力,并在核磁共振成像和 CT 扫描等尖端成像模式中用作造影剂。目前的研究涉及混合纳米流体通过膨胀/收缩表面的不稳定流动。混合纳米流体的流动与磁化、辐射热和附加热源能量的流动特性有关。吸入/注入对于流经渗透介质至关重要。混合纳米流体是单壁碳纳米管(SWCNT)和多壁碳纳米管(MWCNT)纳米颗粒在基础液态水中的复合体。适当的相似性转换将支配 PDE 转换为非线性 ODE。此外,还采用基于射击的 Runge-Kutta 四阶技术对其进行数值处理。通过图表说明了影响流动的各种约束条件的物理结果,并以表格形式显示了与速率系数有关的数值结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Diversified role of linear radiative stretching/shrinking sheet in the time-dependent hybrid nanofluid flow containing carbon nanotubes nanoparticles

Diversified role of linear radiative stretching/shrinking sheet in the time-dependent hybrid nanofluid flow containing carbon nanotubes nanoparticles

In medical applications, carbon nanotubes (CNTs) are used as adaptable drug carriers for targeted delivery, utilising their ability to exactly encapsulate and release therapeutic compounds, and as contrast agents in cutting-edge imaging modalities like MRI and CT scans. The current investigation deals with the unsteady flow of hybrid nanofluid via an expanding/contracting surface. The flow of hybrid nanofluid for the conjunction of magnetisation, radiating heat and additional heat source energies the flow properties. The role of suction/injection is vital for the flow through the permeable medium. The hybrid nanofluid is a composite of single-wall carbon nanotube (SWCNT) and multi-wall carbon nanotube (MWCNT) nanoparticles in the base liquid water. Appropriate similarity transformation converts the governing PDEs to nonlinear ODEs. Further, these are handled numerically retaining shooting-based Runge–Kutta fourth-order technique. The physical consequence of various constraints affecting the flow are explained using graphs and numerical outcomes relating to rate coefficients are shown via tabular form.

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来源期刊
Pramana
Pramana 物理-物理:综合
CiteScore
3.60
自引率
7.10%
发文量
206
审稿时长
3 months
期刊介绍: Pramana - Journal of Physics is a monthly research journal in English published by the Indian Academy of Sciences in collaboration with Indian National Science Academy and Indian Physics Association. The journal publishes refereed papers covering current research in Physics, both original contributions - research papers, brief reports or rapid communications - and invited reviews. Pramana also publishes special issues devoted to advances in specific areas of Physics and proceedings of select high quality conferences.
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