Prof Osman Beg's Outputs (458)

Aero-acoustic turbulent computational fluid dynamics simulation of a generic automobile with multiple broadband source models (2021)
Presentation / Conference Contribution

Various transport engineering systems face numerous challenges to contain the excessive excitations due to aeroacoustics. The regulation of noise, stability and passenger comfort are some of the key parameters that are critical for optimi... Read More about Aero-acoustic turbulent computational fluid dynamics simulation of a generic automobile with multiple broadband source models.

Computation of reactive mixed convection radiative viscoelastic nanofluid thermo-solutal transport from a stretching sheet with Joule heating (2021)
Journal Article
Shamshuddin, M., Salawu, S., Beg, O., Kadir, A., & Beg, T. (2021). Computation of reactive mixed convection radiative viscoelastic nanofluid thermo-solutal transport from a stretching sheet with Joule heating. International Journal of Modelling and Simulation, 42(6), 1005-1029. https://doi.org/10.1080/02286203.2021.2012635

As a model for electroconductive nanomaterials processing, the present article examines incompressible mixed
convection nanofluid flow with convective heat transport from a stretching sheet under the impact of Joule heating
and radiative heat flux.... Read More about Computation of reactive mixed convection radiative viscoelastic nanofluid thermo-solutal transport from a stretching sheet with Joule heating.

Radiative bioconvection nanofluid squeezing flow between rotating circular plates : semi-numerical study with the DTM-Padé approach (2021)
Journal Article
Zeeshan, A., Arain, M., Bhatti, M., Alzahrani, F., & Beg, O. (2022). Radiative bioconvection nanofluid squeezing flow between rotating circular plates : semi-numerical study with the DTM-Padé approach. Modern Physics Letters B, 36(03), 2150552. https://doi.org/10.1142/S0217984921505527

Modern biomedical and tribological systems are increasingly deploying combinations of
nanofluids and bioconvecting micro-organisms which enable improved control of thermal management.
Motivated by these developments, in this study a new mathematica... Read More about Radiative bioconvection nanofluid squeezing flow between rotating circular plates : semi-numerical study with the DTM-Padé approach.

Numerical study of interface tracking for the unsteady flow of two immiscible micropolar and Newtonian fluids through a horizontal channel with an unstable interface (2021)
Journal Article

The dynamics of the interaction between immiscible fluids is relevant to numerous complex
flows in nature and industry, including lubrication and coating processes, oil extraction, physicochemical
separation techniques etc. In this article, the uns... Read More about Numerical study of interface tracking for the unsteady flow of two immiscible micropolar and Newtonian fluids through a horizontal channel with an unstable interface.

Unsteady magnetohydrodynamic couple stress fluid flow from a shrinking porous sheet: Variational iteration method study (2021)
Journal Article
Reddy, G. J., Hiremath, A., Kumar, M., Beg, O., & Kadir, A. (2022). Unsteady magnetohydrodynamic couple stress fluid flow from a shrinking porous sheet: Variational iteration method study. Heat Transfer, 51(2), 2219-2236. https://doi.org/10.1002/htj.22397

AbstractMotivated by magnetic polymer manufacturing applications, the present research article examines theoretically the hydromagnetic boundary layer flow of an electrically conducting non‐Newtonian couple stress fluid due to a transient shrinking (... Read More about Unsteady magnetohydrodynamic couple stress fluid flow from a shrinking porous sheet: Variational iteration method study.

Heat transfer and entropy generation analysis of water-Fe3O4/CNT hybrid magnetic nanofluid flow in a trapezoidal wavy enclosure containing porous media with the Galerkin finite element method (2021)
Journal Article
Al-Kouz, W., Abderrahmane, A., Shamshuddin, M., Younis, O., Mohammed, S., Beg, O., & Toghraie, D. (2021). Heat transfer and entropy generation analysis of water-Fe3O4/CNT hybrid magnetic nanofluid flow in a trapezoidal wavy enclosure containing porous media with the Galerkin finite element method. European Physical Journal Plus, 136(11), 1184. https://doi.org/10.1140/epjp/s13360-021-02192-3

The present study addresses theoretically and computationally the performance of electrically
conducting water-Fe3O4/CNT hybrid nanofluid in three-dimensional natural convective heat transfer
and entropy generation within a wavy-walled trapezoidal... Read More about Heat transfer and entropy generation analysis of water-Fe3O4/CNT hybrid magnetic nanofluid flow in a trapezoidal wavy enclosure containing porous media with the Galerkin finite element method.

Numerical study of time-dependent flow of immiscible Saffman dusty (fluid-particle suspension) and Eringen micropolar fluids in a duct with a modified cubic B-spline Differential Quadrature method (2021)
Journal Article
Chandrawat, R., Joshi, V., & Beg, O. (2022). Numerical study of time-dependent flow of immiscible Saffman dusty (fluid-particle suspension) and Eringen micropolar fluids in a duct with a modified cubic B-spline Differential Quadrature method. International Communications in Heat and Mass Transfer, 130, 105758. https://doi.org/10.1016/j.icheatmasstransfer.2021.105758

Immiscible flows arise in many diverse applications in mechanical, chemical, and environmental engineering.
Such flows involve interfacial conditions and often feature mass (species) diffusion. Motivated by applications in non-Newtonian duct process... Read More about Numerical study of time-dependent flow of immiscible Saffman dusty (fluid-particle suspension) and Eringen micropolar fluids in a duct with a modified cubic B-spline Differential Quadrature method.

Hall and ion‐slip effects on nanofluid transport from a vertical surface: Buongiorno's model (2021)
Journal Article
Reddy, P., Gaffar, S., Beg, O., & Khan, M. (2022). Hall and ion‐slip effects on nanofluid transport from a vertical surface: Buongiorno's model. ZAMM, 102(3), e202000174. https://doi.org/10.1002/zamm.202000174

AbstractThe non‐linear, non‐isothermal, magnetohydrodynamic (MHD) laminar convection flows of Buongiorno's nanofluid past a vertical surface with Darcy‐Forchheimer model is mathematically investigated in the present article. Keller's Box implicit fin... Read More about Hall and ion‐slip effects on nanofluid transport from a vertical surface: Buongiorno's model.

Computation of Von Karman thermo-solutal swirling flow of a nanofluid over a rotating disk to a non-Darcian porous medium with hydrodynamic/thermal slip (2021)
Journal Article
Umavathi, J., & Beg, O. (2021). Computation of Von Karman thermo-solutal swirling flow of a nanofluid over a rotating disk to a non-Darcian porous medium with hydrodynamic/thermal slip. Journal of Thermal Analysis and Calorimetry, https://doi.org/10.1007/s10973-021-11126-1

Motivated by recent trends in spin coating operations in chemical engineering which are
exploiting nanomaterials, the present article investigates theoretically and numerically the steady
mass and heat transfer in Von Karman swirling slip flow of a... Read More about Computation of Von Karman thermo-solutal swirling flow of a nanofluid over a rotating disk to a non-Darcian porous medium with hydrodynamic/thermal slip.

Numerical study of axisymmetric magneto-gyrotactic bioconvection in non-Fourier tangent hyperbolic nano-functional reactive coating flow of a cylindrical body in porous media (2021)
Journal Article
Kumaran, G., Sivaraj, R., Prasad, V., Beg, O., Leung, H., & Kamalov, F. (2021). Numerical study of axisymmetric magneto-gyrotactic bioconvection in non-Fourier tangent hyperbolic nano-functional reactive coating flow of a cylindrical body in porous media. European Physical Journal Plus, 136(11), 1107. https://doi.org/10.1140/epjp/s13360-021-02099-z

Modern functional nanomaterials coating processes feature an increasing range of intelligent properties including rheology, biological (bio-inspired) modifications, elaborate thermophysical behaviour and complex chemical reactions which are needed fo... Read More about Numerical study of axisymmetric magneto-gyrotactic bioconvection in non-Fourier tangent hyperbolic nano-functional reactive coating flow of a cylindrical body in porous media.

Computational simulation of rheological blood flow containing hybrid nanoparticles in an inclined catheterized artery with stenotic, aneurysmal and slip effects (2021)
Journal Article
Tripathi, J., Vasu, B., Beg, O., Gorla, R., & Kameswaran, P. (2021). Computational simulation of rheological blood flow containing hybrid nanoparticles in an inclined catheterized artery with stenotic, aneurysmal and slip effects. Computers in Biology and Medicine, 139, 105009. https://doi.org/10.1016/j.compbiomed.2021.105009

Influenced by nano-drug delivery applications, the present article considers the collective
effects of hybrid biocompatible metallic nanoparticles (Silver and Copper), a stenosis and an aneurysm on
the unsteady blood flow characteristics in a cathe... Read More about Computational simulation of rheological blood flow containing hybrid nanoparticles in an inclined catheterized artery with stenotic, aneurysmal and slip effects.

Thermo‐electrokinetic rotating non‐Newtonian hybrid nanofluid flow from an accelerating vertical surface (2021)
Journal Article
Prakash, J., Tripathi, D., Beg, O., Tiwari, A. K., & Kumar, R. (2022). Thermo‐electrokinetic rotating non‐Newtonian hybrid nanofluid flow from an accelerating vertical surface. Heat Transfer, 51(2), 1746-1777. https://doi.org/10.1002/htj.22373

AbstractThis paper explores the combined effects of Coriolis force and electric force on the rotating boundary layer flow and heat transfer in a viscoplastic hybrid nanofluid from a vertical exponentially accelerated plate. The hybrid nanofluid compr... Read More about Thermo‐electrokinetic rotating non‐Newtonian hybrid nanofluid flow from an accelerating vertical surface.

Augmentation of heat transfer via nanofluids in duct flows using Fourier-type conditions : theoretical and numerical study (2021)
Journal Article
Umavathi, J., & Beg, O. (2021). Augmentation of heat transfer via nanofluids in duct flows using Fourier-type conditions : theoretical and numerical study. Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering, 236(3), 926-941. https://doi.org/10.1177/09544089211052025

Motivated by developments in thermal duct processing, an investigation is presented to study the behavior of viscous nanoparticle suspensions flowing in a vertical duct subject to Fourier-type conditions. The left wall temperature is kept lower than... Read More about Augmentation of heat transfer via nanofluids in duct flows using Fourier-type conditions : theoretical and numerical study.

Spectral computation of reactive bi-directional hydromagnetic non-Newtonian convection flow from a stretching upper parabolic surface in non-Darcy porous medium (2021)
Journal Article
Shahid, A., Bhatti, M., Beg, O., Animasaun, I., & Javid, K. (2021). Spectral computation of reactive bi-directional hydromagnetic non-Newtonian convection flow from a stretching upper parabolic surface in non-Darcy porous medium. International Journal of Modern Physics B, 35(29), 2150294. https://doi.org/10.1142/S0217979221502945

The current article presents a mathematical model for bi-directional convection
magnetohydrodynamic (MHD) tangent hyperbolic nanofluid flow from the upper horizontal
subsurface of a stretching parabolic surface to a non-Darcian porous medium, as a... Read More about Spectral computation of reactive bi-directional hydromagnetic non-Newtonian convection flow from a stretching upper parabolic surface in non-Darcy porous medium.

Perturbation and MAPLE quadrature computation of thermo-solutal dissipative reactive convective flow in a geothermal duct with Robin boundary conditions (2021)
Book Chapter

Buoyancy-driven reactive flows feature extensively in geophysics, materials processing and energy systems. In respect to the latter, geothermal energy holds great promise in India and other Asian geographical locations and offers immense resources in... Read More about Perturbation and MAPLE quadrature computation of thermo-solutal dissipative reactive convective flow in a geothermal duct with Robin boundary conditions.

Thermomagnetic reactive ethylene glycol-metallic nanofluid transport from a convectively heated porous surface with ohmic dissipation, heat source, thermophoresis and Brownian motion effects (2021)
Journal Article
Shamshuddin, M., Mabood, F., & Beg, O. (2021). Thermomagnetic reactive ethylene glycol-metallic nanofluid transport from a convectively heated porous surface with ohmic dissipation, heat source, thermophoresis and Brownian motion effects. International Journal of Modelling and Simulation, https://doi.org/10.1080/02286203.2021.1977531

The objective of this study is to develop a mathematical model for chemically reacting magnetic nanofluid flow
with thermophoretic diffusion, Brownian motion and Ohmic magnetic heating in a Darcian permeable regime.
The current flow model also cons... Read More about Thermomagnetic reactive ethylene glycol-metallic nanofluid transport from a convectively heated porous surface with ohmic dissipation, heat source, thermophoresis and Brownian motion effects.

Computational fluid dynamics simulation and visualization of Newtonian and non-Newtonian transport in a peristaltic micro-pump (2021)
Journal Article
El Gendy, M., Beg, O., Kadir, A., Islam, M., & Tripathi, D. (2021). Computational fluid dynamics simulation and visualization of Newtonian and non-Newtonian transport in a peristaltic micro-pump. Journal of Mechanics in Medicine and Biology, 21(8), 2150058. https://doi.org/10.1142/S0219519421500585

Motivated by recent developments in bio-inspired medical engineering microscale pumps, in
the present article a 3-dimensional sequential simulation of a peristaltic micro-pump is
described to provide deeper insight into the hydromechanics of lamina... Read More about Computational fluid dynamics simulation and visualization of Newtonian and non-Newtonian transport in a peristaltic micro-pump.

Multiple slip effects on nanofluid dissipative flow in a converging/diverging channel: A numerical study (2021)
Journal Article
Beg, O., Beg, T., Khan, W. A., & Uddin, M. J. (2022). Multiple slip effects on nanofluid dissipative flow in a converging/diverging channel: A numerical study. Heat Transfer, 51(1), 1040-1061. https://doi.org/10.1002/htj.22341

AbstractA mathematical model is developed for viscous slip flow and heat transfer in water/Ethylene glycol‐based nanofluids containing metallic oxide nanoparticles, through a converging/diverging channel. We adopt the single‐phase Tiwari–Das model. T... Read More about Multiple slip effects on nanofluid dissipative flow in a converging/diverging channel: A numerical study.

Numerical simulation of the transport of nanoparticles as drug carriers in hydromagnetic blood flow through a diseased artery with vessel wall permeability and rheological effects (2021)
Journal Article
Tripathi, J., Vasu, B., Beg, O., & Gorla, R. (2022). Numerical simulation of the transport of nanoparticles as drug carriers in hydromagnetic blood flow through a diseased artery with vessel wall permeability and rheological effects. Microvascular Research, 139, 104241. https://doi.org/10.1016/j.mvr.2021.104241

The present study considers the mathematical modelling of unsteady non-Newtonian hydro-magnetic nanohemodynamics through a rigid cylindrical artery featuring two different stenoses (composite and irregular).
The Ostwald-De Waele power-law fluid mode... Read More about Numerical simulation of the transport of nanoparticles as drug carriers in hydromagnetic blood flow through a diseased artery with vessel wall permeability and rheological effects.

An executable method for an intelligent speech and call recognition system using a machine learning-based approach (2021)
Journal Article
Rajarajeswari, P., & Beg, O. (2021). An executable method for an intelligent speech and call recognition system using a machine learning-based approach. Journal of Mechanics in Medicine and Biology, 21(07), 2150055. https://doi.org/10.1142/S021951942150055X

This paper describes a novel call recognizer system based on the machine learning
approach. Current trends, intelligence, emotional recognition and other factors are important
challenges in the real world. The proposed system provides robustness wi... Read More about An executable method for an intelligent speech and call recognition system using a machine learning-based approach.