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The purpose of this paper is to study haemodynamic flow characteristics and entropy analysis in a bifurcated artery system subjected to stenosis, magnetohydrodynamic (MHD) flow and aneurysm conditions. The findings of this study offer significant insights into the intricate interplay encompassing electro-osmosis, MHD flow, microorganisms, Joule heating and the ternary hybrid nanofluid.

The governing equations are first non-dimensionalised, and subsequently, a coordinate transformation is used to regularise the irregular boundaries. The discretisation of the governing equations is accomplished by using the Crank–Nicolson scheme. Furthermore, the tri-diagonal matrix algorithm is applied to solve the resulting matrix arising from the discretisation.

The investigation reveals that the velocity profile experiences enhancement with an increase in the Debye–Hückel parameter, whereas the magnetic field parameter exhibits the opposite effect, reducing the velocity profile. A comparative study demonstrates the velocity distribution in Au-CuO hybrid nanofluid and Au-CuO-GO ternary hybrid nanofluid. The results indicate a notable enhancement in velocity for the ternary hybrid nanofluid compared to the hybrid nanofluids. Moreover, an increase in the Brinkmann number results in an augmentation in entropy generation.

This study investigates the flow characteristics and entropy analysis in a bifurcated artery system subjected to stenosis, MHD flow and aneurysm conditions. The governing equations are non-dimensionalised, and a coordinate transformation is applied to regularise the irregular boundaries. The Crank–Nicolson scheme is used to model blood flow in the presence of a ternary hybrid nanofluid (Au-CuO-GO/blood) within the arterial domain. The findings shed light on the complex interactions involving stenosis, MHD flow, aneurysms, Joule heating and the ternary hybrid nanofluid. The results indicate a decrease in the wall shear stress (WSS) profile with increasing stenosis size. The MHD effects are observed to influence the velocity distribution, as the velocity profile exhibits a declining nature with an increase in the Hartmann number. In addition, entropy generation increases with an enhancement in the Brinkmann number. This research contributes to understanding fluid dynamics and heat transfer mechanisms in bifurcated arteries, providing valuable insights for diagnosing and treating cardiovascular diseases.

The present study investigates the antecedents of sharenting, underlying strategies to mitigate the privacy risks of sharing children's personally identifiable information (PII) and majorly explores the relationship between sharenting activities of the parents and their buying behaviour. The study corroborates the previous studies in an advanced manner and adds a new construct “sherub marketing” as an effective marketing tool to impact the buying decisions of the parents.

Following interpretative phenomenological analysis, semi-structured personal interviews were conducted towards actively engaged parents on social media. For inferential analysis, responses of 23 parents were analysed with the help of theoretical thematic analysis

The findings uncover the multifaceted reasons persisting behind sharenting activities of the parents and observe a strong relationship between sharenting and buying behaviour of parents. The study results into exploration of sherub marketing as an effective marketing tool to influence the actions of the sharenters.

The study will be of use to both the practitioners and the society as a whole as it indicates the ramification of parental sharing and the role of marketers in influencing the purchasing decisions of the sharenters.

The present study is a novice and untapped area in the literature of interactive marketing and sheds light on sherub marketing as an effective marketing strategy.