Heat transfer analysis in the peristaltic flow of Casson nanofluid through asymmetric channel with velocity and thermal slips: Applications in a complex system

This investigation articulately addresses the role of gold nanoparticles in medical sciences from a different perspective. Aiming to highlight the significant usage of nanoparticles, four different types such as spherical, platelets, cylindrical and brick-like nanoparticles are brought into consideration with the main focus to achieve maximum heat enhancement. This motivation leads to mathematically formulating an electroosmosis blood flow. Casson fluid is treated as physiological fluid through an asymmetric microchannel. The nonlinear term of radiative heat flux is added on the right-hand side of the heat equation to report the impact of radiation which is beneficial in skin diseases. A closed-form solution is achieved with the help of physical approximation. Moreover, analytical expressions for velocity distribution, temperature field, shear stress, heat transfer rate and pressure gradient have been provided. The expression of stream function is also presented and the trapping phenomena are discussed. Besides studying the tremendous capacity of gold particles to enhance the heat transfer rate for targeting the maligned tissues as a prime objective, the current survey will also assist readers to explore the other similar metallic particles which can effectively be used as an alternative.

Automated summary

This article provides a clear overview of the role of gold nanoparticles in medical sciences and focuses on the heat enhancement effects of nanoparticles. Using mathematical models, the behavior of physiological fluids, specifically Casson fluid, in asymmetric microchannels is analyzed with the addition of radiative heat flux. The article presents analytical expressions for various physical parameters, discusses the stream function, and explores the trapping phenomena. Additionally, the article encourages readers to explore the potential of other metallic particles as alternatives.