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Prof Osman Beg's Outputs (458)

Mathematical modelling of nonlinear thermal radiation effects on EMHD peristaltic pumping of viscoelastic dusty fluid through a porous medium duct (2016)
Journal Article

Biologically-inspired propulsion systems are currently receiving significant interest in the aerospace sector. Since many spacecraft propulsion systems operate at high temperatures, thermal radiation is important as a mode of heat transfer. Motivated... Read More about Mathematical modelling of nonlinear thermal radiation effects on EMHD peristaltic pumping of viscoelastic dusty fluid through a porous medium duct.

MHD convective heat transfer of nanofluids through a flexible tube with buoyancy : a study of nano-particle shape effects (2016)
Journal Article
tube with buoyancy : a study of nano-particle shape effects. Robotics and autonomous systems, 28(2), 453-462. https://doi.org/10.1016/j.apt.2016.10.018

This paper presents an analytical study of magnetohydrodynamics and convective heat transfer of nanofluids synthesized by three different shaped (brick, platelet and cylinder) silver (Ag) nanoparticles in water. A two-phase nanoscale formulation is a... Read More about MHD convective heat transfer of nanofluids through a flexible tube with buoyancy : a study of nano-particle shape effects.

Energy conversion under conjugate conduction, magneto-convection, diffusion and nonlinear radiation over a non-linearly stretching sheet with slip and multiple convective boundary conditions (2016)
Journal Article
Uddin, M., Beg, A., & Uddin, M. (2016). Energy conversion under conjugate conduction, magneto-convection, diffusion and nonlinear radiation over a non-linearly stretching sheet with slip and multiple convective boundary conditions. Energy, 115(Part 1), 1119-1129. https://doi.org/10.1016/j.energy.2016.05.063

Energy conversion under conduction, convection, diffusion and radiation has been studied for MHD free convection heat transfer of a steady laminar boundary-layer flow past a moving permeable non-linearly extrusion stretching sheet. The nonlinear Ross... Read More about Energy conversion under conjugate conduction, magneto-convection, diffusion and nonlinear radiation over a non-linearly stretching sheet with slip and multiple convective boundary conditions.

Irreversibility analysis for reactive third-grade fluid flow and heat transfer with convective wall cooling (2016)
Journal Article

Inherent irreversibility in the flow of a reactive third grade fluid though a channel with convective heating is examined. It is well known that heat dissipated from the exothermic chemical reaction passes through fluid in an irreversible manner and... Read More about Irreversibility analysis for reactive third-grade fluid flow and heat transfer with convective wall cooling.

Numerical solutions for nonlinear gyrotactic bioconvection in nanofluid-saturated porous media with stefan blowing and multiple slip effects (2016)
Journal Article
Uddin, M., Alginahi, Y., Beg, O., & Kabir, M. (2016). Numerical solutions for nonlinear gyrotactic bioconvection in nanofluid-saturated porous media with stefan blowing and multiple slip effects. Computers and Mathematics with Applications, 72(10), 2562-2581. https://doi.org/10.1016/j.camwa.2016.09.018

A mathematical model is developed to examine the effects of the Stefan blowing, second order velocity slip, thermal slip and microorganism species slip on nonlinear bioconvection boundary layer flow of a nanofluid over a horizontal plate embedded in... Read More about Numerical solutions for nonlinear gyrotactic bioconvection in nanofluid-saturated porous media with stefan blowing and multiple slip effects.

Spectral quasilinear numerical simulation of micropolar convective wall plumes in high permeability porous media (2016)
Journal Article
Beg, O., Motsa, S., Kadir, A., Beg, T., & Islam, M. (2016). Spectral quasilinear numerical simulation of micropolar convective wall plumes in high permeability porous media. Journal of Engineering Thermophysics, 25(4), 576-599. https://doi.org/10.1134/S1810232816040147

Laminar natural convection plume of a microstructural non-Newtonian fluid along a vertical surface about a line heat source in a saturated high permeability porous medium is studied. The transformed non-linear boundary value problem is solved numeric... Read More about Spectral quasilinear numerical simulation of micropolar convective wall plumes in high permeability porous media.

Peristaltic transport of bi-viscosity fluids through a curved tube : a mathematical model for intestinal flow (2016)
Journal Article
Tripathi, D., Akbar, N., Khan, Z., & Beg, O. (2016). Peristaltic transport of bi-viscosity fluids through a curved tube : a mathematical model for intestinal flow. Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine, 230(9), 817-828. https://doi.org/10.1177/0954411916658318

The human intestinal tract is a long curved tube constituting the final section of the digestive system in which nutrients and water are mostly absorbed. Motivated by the dynamics of chyme in the intestine, a mathematical model is developed to simula... Read More about Peristaltic transport of bi-viscosity fluids through a curved tube : a mathematical model for intestinal flow.

A numerical study of magnetohydrodynamic transport of nanofluids from a vertical stretching sheet with exponential temperature-dependent viscosity and buoyancy effects (2016)
Journal Article
Akbar, N., Tripathi, D., Khan, Z., & Beg, O. (2016). A numerical study of magnetohydrodynamic transport of nanofluids from a vertical stretching sheet with exponential temperature-dependent viscosity and buoyancy effects. Chemical Physics Letters, 661, 20-30. https://doi.org/10.1016/j.cplett.2016.08.043

In this paper, a mathematical study is conducted of steady incompressible flow of a temperature-dependent viscous nanofluid from a vertical stretching sheet under applied external magnetic field and gravitational body force effects. The Reynolds expo... Read More about A numerical study of magnetohydrodynamic transport of nanofluids from a vertical stretching sheet with exponential temperature-dependent viscosity and buoyancy effects.

Stefan blowing, navier slip and radiation effects on thermo-solutal convection from a spinning cone in an anisotropic porous medium (2016)
Journal Article
Uddin, M., Beg, O., & Beg, E. (2016). Stefan blowing, navier slip and radiation effects on thermo-solutal convection from a spinning cone in an anisotropic porous medium. Journal of Porous Media, 19(7), 617-633. https://doi.org/10.1615/JPorMedia.v19.i7.40

Thermal radiation features in many high temperature materials processing operations. To evaluate the influence of radiative flux on spin coating systems, we consider herein the thermo-solutal (coupled heat and mass transfer) in steady laminar boundar... Read More about Stefan blowing, navier slip and radiation effects on thermo-solutal convection from a spinning cone in an anisotropic porous medium.

Magnetohydrodynamic free convection boundary layer Flow of non-Newtonian tangent hyperbolic fluid from a vertical permeable cone with variable temperature (2016)
Journal Article
Flow of non-Newtonian tangent hyperbolic fluid from a vertical permeable cone with variable temperature. Journal of the Brazilian Society of Mechanical Sciences and Engineering, 39(1), 101-116. https://doi.org/10.1007/s40430-016-0611-x

The nonlinear, non-isothermal steady-state boundary layer flow and heat transfer of an incompressible tangent hyperbolic non-Newtonian (viscoelastic) fluid from a vertical permeable cone with magnetic field are studied. The transformed conservation e... Read More about Magnetohydrodynamic free convection boundary layer Flow of non-Newtonian tangent hyperbolic fluid from a vertical permeable cone with variable temperature.

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.