Prof Osman Beg's Outputs (55)

Non-similar radiative bioconvection nanofluid flow under oblique magnetic field with entropy generation (2021)
Journal Article

Motivated by exploring the near-wall transport phenomena involved in bioconvection fuel cells combined with electrically conducting
nanofluids, in the present article, a detailed analytical treatment using homotopy analysis method (HAM) is presented... Read More about Non-similar radiative bioconvection nanofluid flow under oblique magnetic field with entropy generation.

Taylor dispersion in non-Darcy porous media with bulk chemical reaction : a model for drug transport in impeded blood vessels (2021)
Journal Article
Roy, A., Beg, O., Saha, A., & Ramana Murthy, J. (2021). Taylor dispersion in non-Darcy porous media with bulk chemical reaction : a model for drug transport in impeded blood vessels. Journal of Engineering Mathematics, 127(1), 24. https://doi.org/10.1007/s10665-021-10120-8

The present article discusses the solute transport process in unsteady laminar blood flow through
a non-Darcy porous medium, as a model for drug movement in blood vessels containing deposits.
The Darcy-Brinkman-Forchheimer drag force formulation is... Read More about Taylor dispersion in non-Darcy porous media with bulk chemical reaction : a model for drug transport in impeded blood vessels.

Thermal analysis of airway mucus clearance by ciliary activity in the presence of inertial forces (2021)
Journal Article
Shaheen, S., Maqbool, K., Beg, O., & Gul, F. (2021). Thermal analysis of airway mucus clearance by ciliary activity in the presence of inertial forces. SN Applied Sciences, 3(4), 461. https://doi.org/10.1007/s42452-021-04439-1

In this study heat transfer effects on cilia induced mucus flow in human airways is presented. The elliptic wave pattern of cilia tips produces metachronal wave which enables the transportation of highly viscous mucus with nonzero inertial forces. Up... Read More about Thermal analysis of airway mucus clearance by ciliary activity in the presence of inertial forces.

Multi-objective optimal design of an Organic Rankine Cycle (ORC) plate heat exchanger with phase change (2021)
Journal Article
Norouzi, M., Targhi, R., Hashemian, S., Vaziri, S., & Beg, O. (2021). Multi-objective optimal design of an Organic Rankine Cycle (ORC) plate heat exchanger with phase change. AUT journal of mechanical engineering (Online), 5(4), 8. https://doi.org/10.22060/AJME.2021.19168.5935

Organic Rankine Cycles (ORCs) have been shown to be feasible thermodynamically for electricity generation from organic fluids as working fluids with low temperature sources. Heat exchanger performance is strongly influenced by thermodynamic cycle eff... Read More about Multi-objective optimal design of an Organic Rankine Cycle (ORC) plate heat exchanger with phase change.

Computation of ferromagnetic/nonmagnetic nanofluid flow over a stretching cylinder with induction and curvature effects (2021)
Journal Article
Mizan, M., Ferdows, M., Shamshuddin, M., Beg, O., Salawu, S. O., & Kadir, A. (2021). Computation of ferromagnetic/nonmagnetic nanofluid flow over a stretching cylinder with induction and curvature effects. Heat Transfer, 50(6), 5240-5266. https://doi.org/10.1002/htj.22122

AbstractMotivated by enrobing processes in manufacturing technology with intelligent coatings, this study analyses the flow of an electroconductive incompressible nanofluid with heat distribution in a boundary layer containing metallic nanoparticles... Read More about Computation of ferromagnetic/nonmagnetic nanofluid flow over a stretching cylinder with induction and curvature effects.

Electro-osmotic propulsion of Jeffrey fluid in a ciliated channel under the effect of nonlinear radiation and heat source/sink (2021)
Journal Article
Shaheen, S., Beg, O., Gul, F., & Maqbool, K. (2021). Electro-osmotic propulsion of Jeffrey fluid in a ciliated channel under the effect of nonlinear radiation and heat source/sink. Journal of Biomechanical Engineering, 143(5), 051008. https://doi.org/10.1115/1.4049810

Mathematical modelling of mechanical system in microfluidics is an emerging area of interest in micro scale engineering. Since microfluidic devices use the hair like structure of artificial cilia for pumping, mixing and sensing in different fields, t... Read More about Electro-osmotic propulsion of Jeffrey fluid in a ciliated channel under the effect of nonlinear radiation and heat source/sink.

Blood Flow Mediated Hybrid Nanoparticles in Human Arterial System: Recent Research, Development and Applications (2021)
Journal Article

Blood flow dynamics contributes an elemental part in the formation and expansion of cardiovascular diseases in human body. Computational simulation of blood flow in the human arterial system has been widely used in recent decades for better understan... Read More about Blood Flow Mediated Hybrid Nanoparticles in Human Arterial System: Recent Research, Development and Applications.

ADM solution for Cu/CuO –water viscoplastic nanofluid transient slip flow from a porous stretching sheet with entropy generation, convective wall temperature and radiative effects (2021)
Journal Article

A mathematical modelis presented for entropy generation in transient hydromagnetic flow of an electroconductive
magnetic Casson (non-Newtonian) nanofluid over a porous stretching sheet in a permeable medium. The
Cattaneo-Christov heat flux model is... Read More about ADM solution for Cu/CuO –water viscoplastic nanofluid transient slip flow from a porous stretching sheet with entropy generation, convective wall temperature and radiative effects.

Mathematical modelling of unsteady solute dispersion in two-fluid (micropolar-Newtonian) blood flow with bulk reaction (2021)
Journal Article
Roy, A., & Beg, O. (2021). Mathematical modelling of unsteady solute dispersion in two-fluid (micropolar-Newtonian) blood flow with bulk reaction. International Communications in Heat and Mass Transfer, 122, 105169. https://doi.org/10.1016/j.icheatmasstransfer.2021.105169

A mathematical model is developed for axisymmetric, incompressible, and fully
developed hemodynamic transport of a reactive diffusing species, e. g. oxygen, in a rigid,
impermeable artery under constant axial pressure gradient which undergoes a fir... Read More about Mathematical modelling of unsteady solute dispersion in two-fluid (micropolar-Newtonian) blood flow with bulk reaction.

Energy conservation of bio-nanofluids past a needle in the presence of Stefan blowing : lie symmetry and numerical simulation (2021)
Journal Article

Thermal energy management associated with the transmission of heat is one of the main
problems in many industrial setups (e.g. pharmaceutical, chemical and food) and bioengineering
devices (e.g. hospital ventilation, heating, cooling devices, heat... Read More about Energy conservation of bio-nanofluids past a needle in the presence of Stefan blowing : lie symmetry and numerical simulation.

Computational simulations of hybrid mediated nano-hemodynamics (ag-au/blood) through an irregular symmetric stenosis (2021)
Journal Article
Tripathi, J., Vasu, B., & Beg, O. (2021). Computational simulations of hybrid mediated nano-hemodynamics (ag-au/blood) through an irregular symmetric stenosis. Computers in Biology and Medicine, 130, 104213. https://doi.org/10.1016/j.compbiomed.2021.104213

This article examines theoretically and numerically the unsteady two-dimensional blood flow through a diseased artery featuring an irregular stenosis. An appropriate geometric model is adopted to simulate the irregular stenotic artery. Inspired by dr... Read More about Computational simulations of hybrid mediated nano-hemodynamics (ag-au/blood) through an irregular symmetric stenosis.

Computation of viscous channel flow in a rotating magnetohydrodynamic energy generator configuration with oscillatory effects (2021)
Presentation / Conference
Beg, O., Beg, T., El Gendy, M., Kadir, A., & Leonard, H. (2021, January). Computation of viscous channel flow in a rotating magnetohydrodynamic energy generator configuration with oscillatory effects. Presented at ICETP 2021: 15th International Conference on Energy and Thermal Physics, Rome, Italy

With the desire for a green economy in the 21st century, considerable resurgence in renewable energy systems has been
witnessed. Among the most promising and least environmentally damaging systems is the MHD (magnetohydrodynamic)
energy generator.... Read More about Computation of viscous channel flow in a rotating magnetohydrodynamic energy generator configuration with oscillatory effects.

Linear stability analysis and CFD simulation of thermal viscous fingering instability in anisotropic porous media (2021)
Journal Article
Norouzi, M., Dorrani, S., Shokri, H., & Beg, O. (2021). Linear stability analysis and CFD simulation of thermal viscous fingering instability in anisotropic porous media. Journal of Engineering Mechanics, 147(4), 04021006. https://doi.org/10.1061/%28ASCE%29EM.1943-7889.0001906

The water or steam injection in oil fields is a usual method for enhanced oil recovery in petroleum engineering. The thermo-viscous fingering instability is one of the main problems with complex nature that decreases the efficiency of oil extraction.... Read More about Linear stability analysis and CFD simulation of thermal viscous fingering instability in anisotropic porous media.

Computational fluid dynamic simulation of thermal convection in green fuel cells with finite volume and lattice Boltzmann methods (2021)
Presentation / Conference Contribution

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... Read More about Computational fluid dynamic simulation of thermal convection in green fuel cells with finite volume and lattice Boltzmann methods.

Multi-objective optimization of the engine performance and emissions for a hydrogen/gasoline dual-fuel engine equipped with the port water injection system (2021)
Journal Article
Salek, F., Babaie, M., Hosseini, S., & Beg, O. (2021). Multi-objective optimization of the engine performance and emissions for a hydrogen/gasoline dual-fuel engine equipped with the port water injection system. International Journal of Hydrogen Energy, 46(17), 10535-10547. https://doi.org/10.1016/j.ijhydene.2020.12.139

Hydrogen is one of the most promising options being considered as the fuel of future. However, injection of hydrogen into modern gasoline fueled engines can cause some issues such as power loss. This study, therefore, aims to address this challenge i... Read More about Multi-objective optimization of the engine performance and emissions for a hydrogen/gasoline dual-fuel engine equipped with the port water injection system.