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Prof Osman Beg's Outputs (461)

Dual solutions in Hiemenz flow of an electro-conductive viscous nanofluid containing elliptic single-/multi-wall carbon nanotubes with magnetic induction effects (2022)
Journal Article

Modern magnetic nanomaterials are increasingly embracing new technologies including smart coatings, intelligent lubricants, and functional working fluids in energy systems. Motivated by studying the manufacturing magnetofluid dynamics of electrocondu... Read More about Dual solutions in Hiemenz flow of an electro-conductive viscous nanofluid containing elliptic single-/multi-wall carbon nanotubes with magnetic induction effects.

Computational fluid dynamic simulation of thermal convection in green fuel cells with finite volume and Lattice Boltzmann methods (2022)
Book Chapter

The modern thrust for green energy technologies has witnessed considerable efforts in developing efficient, environmentally friendly fuel cells. This has been particularly so in the automotive sector which is the dominant mode of personal transport i... Read More about Computational fluid dynamic simulation of thermal convection in green fuel cells with finite volume and Lattice Boltzmann methods.

Finite volume numerical analysis of diamond and zinc nanoparticles performance in a water-based trapezium direct absorber solar collector with buoyancy effects (2022)
Book Chapter

In recent years many nanomaterials have been deployed in solar energy systems. These include both carbon-based (e.g. silicates, diamond, carbon nanotubes) and metallic nanoparticles (gold, silver, copper, tin, zinc etc). By combining these nanopartic... Read More about Finite volume numerical analysis of diamond and zinc nanoparticles performance in a water-based trapezium direct absorber solar collector with buoyancy effects.

Modeling the impact of delay on the aggregation of ad proteins (2022)
Journal Article
Nutini, A., Sohail, A., Arif, R., Fiaz, M., & Beg, O. (2022). Modeling the impact of delay on the aggregation of ad proteins. Annals of Data Science, https://doi.org/10.1007/s40745-022-00439-z

Accumulation of the amyloid-β (Aβ ) peptide in the brain gives rise to a cascade of key events in the pathogenesis of Alzheimer’s disease (AD). It is verified by different research trials that the sleep-wake cycle directly affects Aβ levels in the br... Read More about Modeling the impact of delay on the aggregation of ad proteins.

Electro-osmosis modulated periodic membrane pumping flow and particle motion with magnetic field effects (2022)
Journal Article
Bhandari, D. S., Tripathi, D., & Beg, O. (2022). Electro-osmosis modulated periodic membrane pumping flow and particle motion with magnetic field effects. Physics of Fluids, 34(9), https://doi.org/10.1063/5.0111050

Theoretical studies of micro-electro-mechanical systems provide important insight into the mechanisms and optimization of such devices for a range of applications, including biomedical and chemical engineering. Inspired by emerging applications of mi... Read More about Electro-osmosis modulated periodic membrane pumping flow and particle motion with magnetic field effects.

Mathematical modelling of thermo-solutal transport in pulsating flow in the hydrocephalus (2022)
Journal Article
Beg, O., Balasundaram, H., & Sathiamoorthy, S. (2022). Mathematical modelling of thermo-solutal transport in pulsating flow in the hydrocephalus. Journal of Mechanics in Medicine and Biology, https://doi.org/10.1142/S0219519422500713

Cerebrospinal fluid (CSF) is a symmetric flow transport that surrounds brain and central nervous system (CNS). Hydrocephalus is an asymmetric and unusual cerebrospinal fluid flow in the lateral ventricular portions. This dumping impact enhances the e... Read More about Mathematical modelling of thermo-solutal transport in pulsating flow in the hydrocephalus.

A deep learning computational approach for the classification of Covid-19 virus (2022)
Journal Article
Rajarajeswari, P., Santhi, K., Chattopadhyay, P., & Beg, O. (2022). A deep learning computational approach for the classification of Covid-19 virus. Computer Methods in Biomechanics and Biomedical Engineering: Imaging and Visualization, https://doi.org/10.1080/21681163.2022.2111722

Deep learning and transfer learning are being extensively adopted in biomedical, health and wellbeing related applications. The continuous Covid 2019 (COVID-19) pandemic brought about an
extreme impact on the worldwide medical services framework, ma... Read More about A deep learning computational approach for the classification of Covid-19 virus.

Tracer dispersion due to pulsatile casson reactive flow in a circular tube modulated by electrical and magnetic fields (2022)
Journal Article
Beg, O., Murugan, D., Roy, A., & Ponalagusamy, R. (2022). Tracer dispersion due to pulsatile casson reactive flow in a circular tube modulated by electrical and magnetic fields. International Journal of Applied and Computational Mathematics, https://doi.org/10.1007/s40819-022-01412-3

The present article describes a detailed mathematical investigation of electro-magneto-hydrodynamic dispersion in the pulsatile flow of a Casson viscoplastic fluid in a tube packed with a porous medium. Using appropriate transformations, the model is... Read More about Tracer dispersion due to pulsatile casson reactive flow in a circular tube modulated by electrical and magnetic fields.

Magnetized supercritical third-grade nanofluid flow from a vertical cylinder using a Crank-Nicolson implicit scheme (2022)
Journal Article
Hiremath, A., Reddy, G., Basha, H., Narayanan, N., & Beg, O. (2022). Magnetized supercritical third-grade nanofluid flow from a vertical cylinder using a Crank-Nicolson implicit scheme. Waves in Random and Complex Media, https://doi.org/10.1080/17455030.2022.2103207

The current study investigates the supercritical convective radiative buoyancy-driven flow
and heat transfer in external coating flow of an electrically conducting viscoelastic thirdgrade
nanofluid from hotmoving /stationary cylinderunder constant... Read More about Magnetized supercritical third-grade nanofluid flow from a vertical cylinder using a Crank-Nicolson implicit scheme.

Unsteady squeezing flow of a magnetized dissipative non-Newtonian nanofluid with radiative heat transfer and fourier-type boundary conditions numerical study (2022)
Journal Article
Umavathi, J., Vajravelu, K., Beg, O., & Khan, U. (2022). Unsteady squeezing flow of a magnetized dissipative non-Newtonian nanofluid with radiative heat transfer and fourier-type boundary conditions numerical study. Archive of Applied Mechanics, https://doi.org/10.1007/s00419-022-02211-4

Improved thermal management in high temperature tribological systems requires novel developments in lubricants. Motivated by combining nanoparticle and magnetorheological plastomer (MRP) features, this research paper deals with the analysis of the hi... Read More about Unsteady squeezing flow of a magnetized dissipative non-Newtonian nanofluid with radiative heat transfer and fourier-type boundary conditions numerical study.

Natural convection non-Newtonian EMHD dissipative flow through a microchannel containing a non-Darcy porous medium: Homotopy perturbation method study (2022)
Journal Article
Bhatti, M., Beg, O., Ellahi, R., & Abbas, T. (2022). Natural convection non-Newtonian EMHD dissipative flow through a microchannel containing a non-Darcy porous medium: Homotopy perturbation method study. Qualitative Theory of Dynamical Systems, 21, https://doi.org/10.1007/s12346-022-00625-7

Non-Newtonian thermal processing in microchannel systems, is emerging as a
major area of interest in modern thermal engineering. Motivated by these developments, in
the current paper, a mathematical model is developed for laminar, steady state full... Read More about Natural convection non-Newtonian EMHD dissipative flow through a microchannel containing a non-Darcy porous medium: Homotopy perturbation method study.

Comparative heat transfer analysis of γ-Al2O3 −C2H6O2 and γ-Al2O3 −H2O electroconductive nanofluids in a saturated porous square cavity with Joule dissipation and heat source/sink effects (2022)
Journal Article
Thirumalaisamy, K., Sivaraj, R., Prasad, V., Beg, O., Leung, H., Kamalov, F., & Vajravelu, K. (2022). Comparative heat transfer analysis of γ-Al2O3 −C2H6O2 and γ-Al2O3 −H2O electroconductive nanofluids in a saturated porous square cavity with Joule dissipation and heat source/sink effects. Physics of Fluids, 34(7), https://doi.org/10.1063/5.0095334

Inspired by the applications in electromagnetic nanomaterials processing in enclosures and hybrid fuel cell technologies, a mathematical model is presented to analyze the mixed convective flow of electrically conducting nanofluids (γ-Al2O3−H2O and γ-... Read More about Comparative heat transfer analysis of γ-Al2O3 −C2H6O2 and γ-Al2O3 −H2O electroconductive nanofluids in a saturated porous square cavity with Joule dissipation and heat source/sink effects.

Numerical study of natural convection dissipative electro‐magnetic non‐Newtonian flow through a non‐Darcy channel (2022)
Journal Article
Zhang, L., Bhatti, M. M., Beg, O., Leonard, H. J., & Kuharat, S. (2022). Numerical study of natural convection dissipative electro‐magnetic non‐Newtonian flow through a non‐Darcy channel. ZAMM, 102(10), https://doi.org/10.1002/zamm.202100608

Inspired by simulating duct thermal processing of novel functional polymers, a novel mathematical model is developed for buoyancy-driven heat transfer in non-Newtonian Williamson fluid flow in a vertical parallel plate duct containing a permeable med... Read More about Numerical study of natural convection dissipative electro‐magnetic non‐Newtonian flow through a non‐Darcy channel.

Electro-osmotic peristaltic flow and heat transfer in an ionic viscoelastic fluid through a curved micro-channel with viscous dissipation (2022)
Journal Article
Khan, A., Akram, K., Zaman, A., Beg, O., & Bég, T. (2022). Electro-osmotic peristaltic flow and heat transfer in an ionic viscoelastic fluid through a curved micro-channel with viscous dissipation. Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine, 236(8), 1080-1092. https://doi.org/10.1177/09544119221105848

Emerging systems in microfluidics are embracing bio-inspired designs in which boundaries are flexible and mimic peristaltic propulsion mechanisms encountered in nature. These devices utilize electro-kinetic body forces to manipulate very precisely io... Read More about Electro-osmotic peristaltic flow and heat transfer in an ionic viscoelastic fluid through a curved micro-channel with viscous dissipation.

Impact of Navier’s slip and chemical reaction on the hydromagnetic hybrid nanofluid flow and mass transfer due to porous stretching sheet (2022)
Journal Article

Hybrid nanofluids (HNFs) comprise combinations of different nanoparticles suspended in base fluid. Applications of such nanofluids are rising in the areas of energy and biomedical engineering including smart (functional) coatings. Motivated by these... Read More about Impact of Navier’s slip and chemical reaction on the hydromagnetic hybrid nanofluid flow and mass transfer due to porous stretching sheet.

Thermal effects on SARS-CoV-2 transmission in peristaltic blood flow : mathematical modelling (2022)
Journal Article
Tripathi, D., Bhandari, D., & Beg, O. (2022). Thermal effects on SARS-CoV-2 transmission in peristaltic blood flow : mathematical modelling. Physics of Fluids, 34(6), https://doi.org/10.1063/5.0095286

SARS-CoV-2 is a novel viral species that has been identified as a highly infectious disease.
Scientists have endeavored to collect essential information to characterize better the behaviour of
this virus including droplet transmission and airborne... Read More about Thermal effects on SARS-CoV-2 transmission in peristaltic blood flow : mathematical modelling.

Magneto-convective flow through a porous enclosure with Hall current and Thermal radiation effects : numerical study (2022)
Journal Article
Venkatadri, K., Beg, O., & Kuharat, S. (2022). Magneto-convective flow through a porous enclosure with Hall current and Thermal radiation effects : numerical study. European Physical Journal - Special Topics, https://doi.org/10.1140/epjs/s11734-022-00592-9

This paper reports the numerical study of magnetohydrodynamic radiative-convective flow in
a square cavity containing a porous medium with Hall currents. This study is relevant to
hydromagnetic fuel cell design and thermofluidic dynamics of complex... Read More about Magneto-convective flow through a porous enclosure with Hall current and Thermal radiation effects : numerical study.

Cattaneo-Christov dual diffusive non-Newtonian nanoliquid flow featuring nonlinear convection (2022)
Journal Article
Beg, O., Nasir, M., Waqas, M., Kausar, M., & Zamri, N. (2022). Cattaneo-Christov dual diffusive non-Newtonian nanoliquid flow featuring nonlinear convection. Chinese Journal of Physics, https://doi.org/10.1016/j.cjph.2022.05.005

A theoretical study is presented of the transport characteristics in double diffusive tangent
hyperbolic (non-Newtonian) nanofluid boundary layer flow from a stretching flat surface. The Cattaneo–
Christov (non-Fourier and non-Fickian) double diffu... Read More about Cattaneo-Christov dual diffusive non-Newtonian nanoliquid flow featuring nonlinear convection.

Tangent hyperbolic non-Newtonian radiative bioconvection nanofluid flow from a bi-directional stretching surface with electro-magneto-hydrodynamic, Joule heating and modified diffusion effects (2022)
Journal Article
Prakash, J., Tripathi, D., Akkurt, N., & Beg, O. (2022). Tangent hyperbolic non-Newtonian radiative bioconvection nanofluid flow from a bi-directional stretching surface with electro-magneto-hydrodynamic, Joule heating and modified diffusion effects. European Physical Journal Plus, 137(472), https://doi.org/10.1140/epjp/s13360-022-02613-x

Motivated by bio-inspired nano-technological functional coating flows, in the current paper a
theoretical study of laminar, steady, incompressible bioconvection flow of a tangential hyperbolic
(non-Newtonian) nanofluid from a bi-directional stretch... Read More about Tangent hyperbolic non-Newtonian radiative bioconvection nanofluid flow from a bi-directional stretching surface with electro-magneto-hydrodynamic, Joule heating and modified diffusion effects.