柔性旋转表面上的生物对流麦克斯韦铁流体流动

IF 1.7 4区 医学 Q3 ENGINEERING, BIOMEDICAL Medical Engineering & Physics Pub Date : 2024-03-01 DOI:10.1016/j.medengphy.2024.104123
Anupam Bhandari
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引用次数: 0

摘要

目前的研究成果将有可能应用于药物靶向和自消毒技术的开发。本文研究的是麦克斯韦铁流体在静止磁场作用下在柔性旋转板上的生物对流。该理论模型以 Cattaneo-Christov 理论、Buongiorno 微生物模型和 Shliomis 模型为基础,采用有限元技术求解。利用 COMSOL Multiphysics 中的 Galerkin 加权残差方法,对该麦克斯韦铁流体模型的非一维方程进行了数值求解。随着铁磁相互作用数、浓度弛豫时间参数、路易斯数和拉伸参数的增加,生物体的浓度和运动能力下降。除了增加微生物的局部传热、局部传质和局部密度外,铁磁相互作用数还降低了圆盘表面的应力。
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Bio-convective maxwell ferrofluid flow over a flexible spinning surface

The current research findings will have potential applications in the development of drug-targeted and self-sterilizing technologies. This research investigates the bio-convective flow of Maxwell ferrofluid over a flexible spinning plate in the presence of a stationary magnetic field in this paper. This theoretical model is based on the CattaneoChristov theories, the Buongiorno microorganism model, and the Shliomis model, and it is solved using the finite element technique. Using the Galerkin weighted residual approach in COMSOL Multiphysics, the non-dimensional equations of this Maxwell ferrofluid model are numerically solved. The concentration and motility of the organism decrease with an increase in the ferromagnetic interaction number, concentration relaxation time parameter, Lewis number, and stretching parameter. In addition to increasing local heat transfer, local mass transfer, and local density of microorganisms, the ferromagnetic interaction number lowers the stress on the surface of the disk.

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来源期刊
Medical Engineering & Physics
Medical Engineering & Physics 工程技术-工程:生物医学
CiteScore
4.30
自引率
4.50%
发文量
172
审稿时长
3.0 months
期刊介绍: Medical Engineering & Physics provides a forum for the publication of the latest developments in biomedical engineering, and reflects the essential multidisciplinary nature of the subject. The journal publishes in-depth critical reviews, scientific papers and technical notes. Our focus encompasses the application of the basic principles of physics and engineering to the development of medical devices and technology, with the ultimate aim of producing improvements in the quality of health care.Topics covered include biomechanics, biomaterials, mechanobiology, rehabilitation engineering, biomedical signal processing and medical device development. Medical Engineering & Physics aims to keep both engineers and clinicians abreast of the latest applications of technology to health care.
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