Prof Osman Beg's Outputs (467)

Mathematical modelling of entropy generation in magnetized micropolar flow between co-rotating cylinders with internal heat generation (2016)
Journal Article

The present study investigates analytically the entropy generation in magnetized micropolar fluid flow in between two vertical concentric rotating cylinders of infinite length. The surface of the inner cylinder is heated while the surface of the oute... Read More about Mathematical modelling of entropy generation in magnetized micropolar flow between co-rotating cylinders with internal heat generation.

Unsteady two-layered blood flow through a w-shape stenosed artery using the generalized oldroyd-b fluid model (2016)
Journal Article
Ali, N., Zaman, A., Beg, O., & Sajid, M. (2016). Unsteady two-layered blood flow through a w-shape stenosed artery using the generalized oldroyd-b fluid model. ANZIAM Journal, 58(1), 96-118. https://doi.org/10.1017/S1446181116000134

A theoretical study of unsteady two-layered blood flow through a stenosed artery is presented in this article. The geometry of rigid stenosed artery is assumed to be w-shaped. The flow regime is assumed to be laminar, unsteady and uni-directional. Th... Read More about Unsteady two-layered blood flow through a w-shape stenosed artery using the generalized oldroyd-b fluid model.

Computational modelling of heat transfer in an annular porous medium solar energy absorber with the p1-radiative differential approximation (2016)
Journal Article
Beg, A., Ali, N., Zaman, A., Beg, E., & Sohail, A. (2016). Computational modelling of heat transfer in an annular porous medium solar energy absorber with the p1-radiative differential approximation. Journal of the Taiwan Institute of Chemical Engineers, 66, 258-268. https://doi.org/10.1016/j.jtice.2016.06.034

We study the steady, laminar thermal convection flow in a participating, absorbing-emitting fluid-saturated porous medium occupying a cylindrical annulus with significant thermal radiation effects as a simulation of a solar energy absorber system. Th... Read More about Computational modelling of heat transfer in an annular porous medium solar energy absorber with the p1-radiative differential approximation.

MHD dissipative flow and heat transfer of casson fluids due to metachronal wave propulsion of beating cilia with thermal and velocity slip effects under an oblique magnetic field (2016)
Journal Article
Akbar, N., Tripathi, D., Beg, A., & Khan, Z. (2016). MHD dissipative flow and heat transfer of casson fluids due to metachronal wave propulsion of beating cilia with thermal and velocity slip effects under an oblique magnetic field. Acta astronautica, 128, 1-12. https://doi.org/10.1016/j.actaastro.2016.06.044

A theoretical investigation of magnetohydrodynamic (MHD) flow and heat transfer of electrically-conducting viscoplastic fluids through a channel is conducted. The robust Casson model is implemented to simulate viscoplastic behavior of fluids. The ext... Read More about MHD dissipative flow and heat transfer of casson fluids due to metachronal wave propulsion of beating cilia with thermal and velocity slip effects under an oblique magnetic field.

Numerical investigation of radiative optically-dense transient magnetized reactive transport phenomena with cross diffusion, dissipation and wall mass flux effects (2016)
Journal Article
Beg, A., Ferdows, M., Beg, E., Ahmed, T., Wahiduzzaman, M., & Alam, M. (2016). Numerical investigation of radiative optically-dense transient magnetized reactive transport phenomena with cross diffusion, dissipation and wall mass flux effects. Journal of the Taiwan Institute of Chemical Engineers, 66, 12-26. https://doi.org/10.1016/j.jtice.2016.06.003

High temperature electromagnetic materials fabrication systems in chemical engineering require ever more sophisticated theoretical and computational models for describing multiple, simultaneous thermophysical effects. Motivated by this application, t... Read More about Numerical investigation of radiative optically-dense transient magnetized reactive transport phenomena with cross diffusion, dissipation and wall mass flux effects.

Network electro-thermal simulation of non-isothermal magnetohydrodynamic heat transfer from a transpiring cone with buoyancy and pressure work (2016)
Journal Article
Beg, A., Zueco, J., Kadir, A., Beg, T., & Khan, U. (2016). Network electro-thermal simulation of non-isothermal magnetohydrodynamic heat transfer from a transpiring cone with buoyancy and pressure work. International Journal of Applied and Computational Mathematics, 3(2), 1525-1547. https://doi.org/10.1007/s40819-016-0192-5

The steady, axisymmetric laminar natural convection boundary layer flow from a non-isothermal vertical circular porous cone under a transverse magnetic field, with the cone vertex located at the base, is considered. The pressure work effect is includ... Read More about Network electro-thermal simulation of non-isothermal magnetohydrodynamic heat transfer from a transpiring cone with buoyancy and pressure work.

Finite element analysis of viscoelastic nanofluid flow with energy dissipation and internal heat source/sink effects (2016)
Journal Article
Rana, P., Bhargava, R., Beg, A., & Kadir, A. (2016). Finite element analysis of viscoelastic nanofluid flow with energy dissipation and internal heat source/sink effects. International Journal of Applied and Computational Mathematics, 3(2), 1421-1447. https://doi.org/10.1007/s40819-016-0184-5

A numerical study is conducted of laminar viscoelastic nanofluid polymeric boundary layer stretching sheet flow. Viscous dissipation, surface transpiration (suction/injection), internal heat generation/absorption and work done due to deformation are... Read More about Finite element analysis of viscoelastic nanofluid flow with energy dissipation and internal heat source/sink effects.

Transverse magnetic field driven modification in unsteady peristaltic transport with electrical double layer effects (2016)
Journal Article
Tripathi, D., Bhushan, S., & Beg, A. (2016). Transverse magnetic field driven modification in unsteady peristaltic transport with electrical double layer effects. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 506, 32-39. https://doi.org/10.1016/j.colsurfa.2016.06.004

The influence of transverse magnetic field on time-dependent peristaltic transport of electrically-conducting fluids through a microchannel under an applied external electric field with induced electric field effect is considered, based on lubricatio... Read More about Transverse magnetic field driven modification in unsteady peristaltic transport with electrical double layer effects.

Computational study of three-dimensional stagnation point nanofluid bio-convection flow on a moving surface with anisotropic slip and thermal jump effect (2016)
Journal Article
Uddin, M., Khan, W., Ismail, A., & Beg, A. (2016). Computational study of three-dimensional stagnation point nanofluid bio-convection flow on a moving surface with anisotropic slip and thermal jump effect. Journal of Heat Transfer, 138(10), https://doi.org/10.1115/1.4033581

The effects of anisotropic slip and thermal jump on the three dimensional stagnation point flow of nanofluid containing microorganisms from a moving surface have been investigated numerically. Anisotropic slip takes place on geometrically striated... Read More about Computational study of three-dimensional stagnation point nanofluid bio-convection flow on a moving surface with anisotropic slip and thermal jump effect.

Finite element simulation of nonlinear convective heat and mass transfer in a micropolar fluid-filled enclosure with Rayleigh number effects (2016)
Journal Article
Bhargava, R., Sharma, S., Bhargava, P., Beg, O., & Kadir, A. (2016). Finite element simulation of nonlinear convective heat and mass transfer in a micropolar fluid-filled enclosure with Rayleigh number effects. International Journal of Applied and Computational Mathematics, 3(2), 1347-1379. https://doi.org/10.1007/s40819-016-0180-9

A mathematical model is presented to study the double-diffusive convective heat and mass transfer of a micropolar biofluid in a rectangular enclosure, as a model of transport phenomena in a bioreactor. The vertical walls of the enclosure are maintain... Read More about Finite element simulation of nonlinear convective heat and mass transfer in a micropolar fluid-filled enclosure with Rayleigh number effects.

Numerical solution of thermo-solutal mixed convective slip flow from a radiative plate with convective boundary condition (2016)
Journal Article
Uddin, M., Beg, A., Uddin, M., & Ismail, A. (2016). Numerical solution of thermo-solutal mixed convective slip flow from a radiative plate with convective boundary condition. Journal of Hydrodynamics, 28(3), 451-461. https://doi.org/10.1016/S1001-6058%2816%2960649-2

A mathematical model for mixed convective slip flow with heat and mass transfer in the presence of thermal radiation is presented. A convective boundary condition is included and slip is simulated via the hydrodynamic slip parameter. Heat generation... Read More about Numerical solution of thermo-solutal mixed convective slip flow from a radiative plate with convective boundary condition.

Analytical solutions for wall slip effects on magnetohydrodynamic oscillatory rotating plate and channel flows in porous media using a fractional burgers viscoelastic model (2016)
Journal Article
Maqbool, K., Beg, A., Sohail, A., & Idreesa, S. (2016). Analytical solutions for wall slip effects on magnetohydrodynamic oscillatory rotating plate and channel flows in porous media using a fractional burgers viscoelastic model. European Physical Journal Plus, 131(5), 1-17. https://doi.org/10.1140/epjp/i2016-16140-5

A theoretical analysis of magnetohydrodynamic (MHD) incompressible flows of Burger's fluid through a porous medium in a rotating frame of reference is presented. The constitutive model of a Burger's fluid is used based on a fractional calculus formul... Read More about Analytical solutions for wall slip effects on magnetohydrodynamic oscillatory rotating plate and channel flows in porous media using a fractional burgers viscoelastic model.

Modeling nanoparticle geometry effects on peristaltic pumping of medical magnetohydrodynamic nanofluids with heat transfer (2016)
Journal Article
Akbar, N., Tripathi, D., & Beg, O. (2016). Modeling nanoparticle geometry effects on peristaltic pumping of medical magnetohydrodynamic nanofluids with heat transfer. Journal of Mechanics in Medicine and Biology, 16(06), 1650088. https://doi.org/10.1142/S0219519416500883

Magnetic nanofluid technologies are emerging in numerous areas including medicine, lubrication (smart tribology), pharmacology, etc. In this paper, we examine heat diffusion in hydromagnetic nanofluids in a peristaltic system, motivated by applicatio... Read More about Modeling nanoparticle geometry effects on peristaltic pumping of medical magnetohydrodynamic nanofluids with heat transfer.

Nanofluid slip flow over a stretching cylinder with schmidt and péclet number effects (2016)
Journal Article
Basir, M., Uddin, M., Ismail, A., & Beg, A. (2016). Nanofluid slip flow over a stretching cylinder with schmidt and péclet number effects. AIP advances, 6(5), 055316-1. https://doi.org/10.1063/1.4951675

A mathematical model is presented for three-dimensional unsteady boundary layer slip flow of Newtonian nanofluids containing gyrotactic microorganisms over a stretching cylinder. Both hydrodynamic and thermal slips are included. By applying suitable... Read More about Nanofluid slip flow over a stretching cylinder with schmidt and péclet number effects.

Finite element simulation of magnetohydrodynamic convective nanofluid slip flow in porous media with nonlinear radiation (2016)
Journal Article

A numerical investigation of two dimensional steady state laminar boundary layer flow of a viscous electrically-conducting nanofluid in the vicinity of a stretching ∕ shrinking porous flat plate located in a Darcian porous medium is performed. The no... Read More about Finite element simulation of magnetohydrodynamic convective nanofluid slip flow in porous media with nonlinear radiation.

Peristaltic flow and hydrodynamic dispersion of a reactive micropolar fluid-simulation of chemical effects in the digestive process (2016)
Journal Article
Ravi Kiran, G., Radhakrishnamacharya, G., & Beg, O. (2016). Peristaltic flow and hydrodynamic dispersion of a reactive micropolar fluid-simulation of chemical effects in the digestive process. Journal of Mechanics in Medicine and Biology, 17(1), 1750013. https://doi.org/10.1142/S0219519417500130

The hydrodynamic dispersion of a solute in peristaltic flow of a reactive incompressible micropolar biofluid is studied as a model of chyme transport in the human intestinal system with wall effects. The long wavelength approximation, Taylor's limiti... Read More about Peristaltic flow and hydrodynamic dispersion of a reactive micropolar fluid-simulation of chemical effects in the digestive process.

Swimming of a singly flagellated micro-organism in a magnetohydrodynamic second-order fluid (2016)
Journal Article
Sajid, M., Ali, N., Beg, O., & Siddiqui, A. (2016). Swimming of a singly flagellated micro-organism in a magnetohydrodynamic second-order fluid. Journal of Mechanics in Medicine and Biology, 17(1), 1750009. https://doi.org/10.1142/S0219519417500099

Magnetic swimming is rapidly attracting interest in biomedical engineering applications. In the present work, we study the swimming of a singly flagellated micro-organism propelling in an electrically-conducting magnetohydrodynamic (MHD) viscoelastic... Read More about Swimming of a singly flagellated micro-organism in a magnetohydrodynamic second-order fluid.

Multiple slip and variable transport property effects on magnetohydromagnetic dissipative thermo-solutal convection in porous media (2016)
Journal Article
Uddin, M., Beg, A., & Uddin, M. (2016). Multiple slip and variable transport property effects on magnetohydromagnetic dissipative thermo-solutal convection in porous media. Journal of Aerospace Engineering, 29(5), https://doi.org/10.1061/%28ASCE%29AS.1943-5525.0000614

A mathematical study is presented to investigate the influence of variable transport properties and momentum, thermal and mass slip on magnetohydrodynamic (MHD)
momentum, heat and mass transfer in a porous media. Slip effects are simulated via caref... Read More about Multiple slip and variable transport property effects on magnetohydromagnetic dissipative thermo-solutal convection in porous media.

Bacterial gliding fluid dynamics on a layer of non-Newtonian slime : perturbation and numerical study (2016)
Journal Article
Ali, N., Asghar, Z., Beg, A., & Sajid, M. (2016). Bacterial gliding fluid dynamics on a layer of non-Newtonian slime : perturbation and numerical study. Journal of Theoretical Biology, 397, 22-32. https://doi.org/10.1016/j.jtbi.2016.02.011

Gliding bacteria are an assorted group of rod-shaped prokaryotes that adhere to and glide on certain layers of ooze slime attached to a substratum. Due to the absence of organelles of motility, such as flagella, the gliding motion is caused by the wa... Read More about Bacterial gliding fluid dynamics on a layer of non-Newtonian slime : perturbation and numerical study.

Thermal analysis of laminar water flow over a backward facing channel with carbon nanoparticles
Journal Article
Saha, S., Prasad, V., & Beg, O. (in press). Thermal analysis of laminar water flow over a backward facing channel with carbon nanoparticles. Journal of the Serbian Society for Computational Mechanics, 16(1), 125-137. https://doi.org/10.24874/jsscm.2022.16.01.09

In the last few years, the thermo-hydraulic study of nanofluid flow bifurcation phenomena have become a great interest and useful tool in many engineering applications. FVM has been employed in this article to numerically explore the laminar water fl... Read More about Thermal analysis of laminar water flow over a backward facing channel with carbon nanoparticles.