Prof Osman Beg's Outputs (449)

Rotating unsteady multi-physico-chemical magneto-micropolar transport in porous media : Galerkin finite element study (2018)
Journal Article
Beg, O., Shamshuddin, M., Reddy, S., & Kadir, A. (2018). Rotating unsteady multi-physico-chemical magneto-micropolar transport in porous media : Galerkin finite element study. Computational Thermal Sciences, 10(2), 167-197. https://doi.org/10.1615/ComputThermalScien.2017019576

In this paper, a mathematical model is developed for magnetohydrodynamic (MHD), incompressible, dissipative and chemically reacting micropolar fluid flow, heat and mass transfer through a porous medium from a vertical plate with Hall current, Soret a... Read More about Rotating unsteady multi-physico-chemical magneto-micropolar transport in porous media : Galerkin finite element study.

Heat transfer in viscoplastic boundary layer flow from a vertical permeable cone with momentum and thermal wall slip : numerical study (2018)
Journal Article
Rao, A., Prasad, V., Radhika, V., & Beg, O. (2018). Heat transfer in viscoplastic boundary layer flow from a vertical permeable cone with momentum and thermal wall slip : numerical study. Heat Transfer Research, 49(3), 189-204. https://doi.org/10.1615/HeatTransRes.2017018153

A mathematical model is presented for the laminar free convection boundary layer flow of Casson viscoplastic non-Newtonian fluid external to a vertical penetrable circular cone in the presence of thermal and hydrodynamic slip conditions. The cone sur... Read More about Heat transfer in viscoplastic boundary layer flow from a vertical permeable cone with momentum and thermal wall slip : numerical study.

Flow visualization using heat lines for unsteady radiative hydromagnetic Micropolar convection from a vertical slender hollow cylinder (2018)
Journal Article
Janardhana Reddy, G., Kethireddy, B., & Beg, O. (2018). Flow visualization using heat lines for unsteady radiative hydromagnetic Micropolar convection from a vertical slender hollow cylinder. International Journal of Mechanical Sciences, 140, 493-505. https://doi.org/10.1016/j.ijmecsci.2018.03.014

The present study aims to investigate the thermal radiation heat transfer effect on unsteady magnetohydrodynamic (MHD) flow of micropolar fluid over a uniformly heated vertical hollow cylinder using Bejan’s heat function concept. The normalized conse... Read More about Flow visualization using heat lines for unsteady radiative hydromagnetic Micropolar convection from a vertical slender hollow cylinder.

Physics of fractional imaging in biomedicine (2018)
Journal Article
Sohail, A., Beg, O., Li, Z., & Maqbool, K. (2018). Physics of fractional imaging in biomedicine. Progress in Biophysics and Molecular Biology, 140(Dec 18), 13-20. https://doi.org/10.1016/j.pbiomolbio.2018.03.002

Medical imaging is a rapidly evolving sub-field of biomedical engineering as it considers novel approaches to visualizing biological tissues with the general goal of improving health. Medical imaging research provides improved diagnostic tools in clin... Read More about Physics of fractional imaging in biomedicine.

Rheological effects of micropolar slime on the gliding motility of bacteria with slip boundary condition (2018)
Journal Article
Ali, N., Asghar, Z., Beg, O., & Javed, T. (2018). Rheological effects of micropolar slime on the gliding motility of bacteria with slip boundary condition. Results in Physics, 9, 682-691. https://doi.org/10.1016/j.rinp.2018.02.070

The gliding organisms are phylogenetically diverse with their hundreds of types, different shapes and several mechanism of motility. Gliding bacteria are rod-shaped bacteria without any flagella on their surface. They exhibit a creeping type of self-... Read More about Rheological effects of micropolar slime on the gliding motility of bacteria with slip boundary condition.

Natural convection in a square cavity with uniformly heated and/or insulated walls using marker-and-cell method (2018)
Journal Article
Hidayathulla Khan, B., Venkatadri, K., Beg, O., Ramachandra Prasad, V., & Mallikarjuna, B. (2018). Natural convection in a square cavity with uniformly heated and/or insulated walls using marker-and-cell method. International Journal of Applied and Computational Mathematics, 4(61), https://doi.org/10.1007/s40819-018-0492-z

In this study, a numerical investigation has been performed using the computational Harlow-Welch MAC (Marker and Cell) finite difference method to analyse the unsteady state two-dimensional natural convection in lid-driven square cavity with left wal... Read More about Natural convection in a square cavity with uniformly heated and/or insulated walls using marker-and-cell method.

Radiative and magnetohydrodynamics flow of third grade viscoelastic fluid past an isothermal inverted cone in the presence of heat generation/absorption (2018)
Journal Article
Gaffar, S., Prasad, V., Beg, O., Khan, M., & Venkatadri, V. (2018). Radiative and magnetohydrodynamics flow of third grade viscoelastic fluid past an isothermal inverted cone in the presence of heat generation/absorption. Journal of the Brazilian Society of Mechanical Sciences and Engineering, 40(127), https://doi.org/10.1007/s40430-018-1049-0

A mathematical analysis is presented to investigate the nonlinear, isothermal, steady-state, free convection boundary layer flow of an incompressible third grade viscoelastic fluid past an isothermal inverted cone in the presence of magnetohydrodynam... Read More about Radiative and magnetohydrodynamics flow of third grade viscoelastic fluid past an isothermal inverted cone in the presence of heat generation/absorption.

Numerical study of hydromagnetic non-Newtonian nanofluid transport phenomena from a horizontal cylinder with thermal slip : aerospace nanomaterial enrobing simulation (2018)
Journal Article
Nagendra, N., Subba Rao, A., Amanulla, C., Reddy, M., Beg, O., & Kadir, A. (2018). Numerical study of hydromagnetic non-Newtonian nanofluid transport phenomena from a horizontal cylinder with thermal slip : aerospace nanomaterial enrobing simulation. Journal of Nanofluids, 7(1), 115-128. https://doi.org/10.1166/jon.2018.1423

In this article, the combined magnetohydrodynamic heat, momentum and mass (species) transfer in external boundary layer flow of Casson nanofluid from a horizontal circular cylinder surface with convective condition under an applied magnetic field is... Read More about Numerical study of hydromagnetic non-Newtonian nanofluid transport phenomena from a horizontal cylinder with thermal slip : aerospace nanomaterial enrobing simulation.

Multi-physical electro-magnetic propulsion fluid dynamics : mathematical modelling and computation (2018)
Book Chapter

The long-standing interest in manned inter-planetary missions has motivated a re-think worldwide in developing better propulsion drives. Many hypothetical systems which did offer some promise in the 1970s and 1980s have been abandoned. A significant... Read More about Multi-physical electro-magnetic propulsion fluid dynamics : mathematical modelling and computation.

B-spline collocation simulation of non-linear transient magnetic nanobio-tribological squeeze-film flow (2018)
Journal Article
Beg, O., Sohail, A., Kadir, A., Beg, T., & Ravindran, S. (2018). B-spline collocation simulation of non-linear transient magnetic nanobio-tribological squeeze-film flow. Journal of Mechanics in Medicine and Biology, 18(1), https://doi.org/10.1142/S0219519418500070

A mathematical model is presented for magnetized nanofluid bio-tribological squeeze film flow between two approaching disks. The nanofluid comprises a suspension of metal oxide nanoparticles with an electrically-conducting base fluid, making the nano... Read More about B-spline collocation simulation of non-linear transient magnetic nanobio-tribological squeeze-film flow.

Study of microvascular blood flow modulated by electroosmosis (2018)
Journal Article
Tripathi, D., Yadav, A., Beg, O., & Kumar, R. (2018). Study of microvascular blood flow modulated by electroosmosis. Microvascular Research, 117, 28-36. https://doi.org/10.1016/j.mvr.2018.01.001

An analytical study of microvascular non-Newtonian blood flow is conducted incorporating the electro-osmosis phenomenon. Blood is considered as a Bingham rheological aqueous ionic solution. An externally applied static axial electrical field is impos... Read More about Study of microvascular blood flow modulated by electroosmosis.

Joule heating and buoyancy effects in electro-osmotic peristaltic transport of aqueous nanofluids through a microchannel with complex wave propagation (2017)
Journal Article
Beg, O., Tripathi, D., & Sharma, A. (2017). Joule heating and buoyancy effects in electro-osmotic peristaltic transport of aqueous nanofluids through a microchannel with complex wave propagation. Robotics and autonomous systems, 29(3), 639-653. https://doi.org/10.1016/j.apt.2017.12.009

Electro-osmotic peristaltic transport of aqueous nanofluids in a two-dimensional micro-channel is examined analytically. Such flows arise in bio-mimetic pumping systems at the very small scale of interest in physiological treatment e.g. occular drug... Read More about Joule heating and buoyancy effects in electro-osmotic peristaltic transport of aqueous nanofluids through a microchannel with complex wave propagation.

Electroosmosis modulated peristaltic biorheological flow through an asymmetric microchannel : mathematical model (2017)
Journal Article
Tripathi, D., Jhorar, R., Beg, O., & Shaw, S. (2017). Electroosmosis modulated peristaltic biorheological flow through an asymmetric microchannel : mathematical model. Meccanica, 53(8), 2079-2090. https://doi.org/10.1007/s11012-017-0795-x

A theoretical study is presented of peristaltic hydrodynamics of an aqueous electrolytic nonNewtonian Jeffrey bio-rheological fluid through an asymmetric microchannel under an applied axial electric field. An analytical approach is adopted to obtain... Read More about Electroosmosis modulated peristaltic biorheological flow through an asymmetric microchannel : mathematical model.

Oscillatory dissipative conjugate heat and mass transfer in chemically-reacting micropolar flow with wall couple stress : a finite element numerical study (2017)
Journal Article
Shamshuddin, M., Sheri, S., & Beg, O. (2017). Oscillatory dissipative conjugate heat and mass transfer in chemically-reacting micropolar flow with wall couple stress : a finite element numerical study. Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering, 233(1), 48-64. https://doi.org/10.1177/0954408917743372

High temperature non-Newtonian materials processing provides a stimulating area for process engineering simulation. Motivated by emerging applications in this area, the present article investigates the time-dependent free convective flow of a chemica... Read More about Oscillatory dissipative conjugate heat and mass transfer in chemically-reacting micropolar flow with wall couple stress : a finite element numerical study.

Exact analysis of heat convection in viscoelastic FENE-P fluids through isothermal slits and tubes (2017)
Journal Article
Norouzi, M., Daghighi, S., & Beg, O. (2017). Exact analysis of heat convection in viscoelastic FENE-P fluids through isothermal slits and tubes. Meccanica, 53(4-5), 817-831. https://doi.org/10.1007/s11012-017-0782-2

In this article, two exact analytical solutions for heat convection in viscoelastic fluid flow through isothermal tubes and slits are presented for the first time. Herein, a Peterlin type of finitely extensible nonlinear elastic (FENE-P) model is use... Read More about Exact analysis of heat convection in viscoelastic FENE-P fluids through isothermal slits and tubes.

Numerical solution of MHD slip flow of a nanofluid past a radiating plate with Newtonian heating : a lie group approach (2017)
Journal Article
Beg, O., Uddin, M., Sohail, A., & Ismail, A. (2017). Numerical solution of MHD slip flow of a nanofluid past a radiating plate with Newtonian heating : a lie group approach. Alexandria engineering journal : AEJ, 57(4), 2455-2464. https://doi.org/10.1016/j.aej.2017.03.025

In this paper, we have examined the magnetohydrodynamic flow of a nanofluid past a radiating sheet. The Navier velocity slip, Newtonian heating and passively controlled wall boundary conditions are considered. The governing equations are reduced into... Read More about Numerical solution of MHD slip flow of a nanofluid past a radiating plate with Newtonian heating : a lie group approach.

Anisotropic slip magneto-bioconvection flow from a rotating cone to a nanofluid with Stefan Blowing effects (2017)
Journal Article
Beg, O., Zohra, F., Uddin, M., Ismail, A., & Kadir, A. (2017). Anisotropic slip magneto-bioconvection flow from a rotating cone to a nanofluid with Stefan Blowing effects. Chinese Journal of Physics, 56(1), 432-448. https://doi.org/10.1016/j.cjph.2017.08.031

A mathematical model for two dimensional steady laminar natural convective anisotropic slip boundary layer flows from a rotating vertical cone embedded in ethylene glycol bionanofluid is presented. The influence of Stefan blowing is also taken into a... Read More about Anisotropic slip magneto-bioconvection flow from a rotating cone to a nanofluid with Stefan Blowing effects.

Finite element computation of magnetohydrodynamic nanofluid convection from an oscillating inclined plate with radiative flux, heat source and variable temperature effects (2017)
Journal Article
Beg, O., Thumma, T., & Sheri, S. (2017). Finite element computation of magnetohydrodynamic nanofluid convection from an oscillating inclined plate with radiative flux, heat source and variable temperature effects. Proceedings of the Institution of Mechanical Engineers, Part N: Journal of Nanomaterials, Nanoengineering and Nanosystems, 231(4), 179-194. https://doi.org/10.1177/2397791417731452

The present work describes finite element computations for radiative magnetohydrodynamic convective Newtonian nanofluid flow from an oscillating inclined porous plate with variable temperature. Heat source/sink and buoyancy effects are included in th... Read More about Finite element computation of magnetohydrodynamic nanofluid convection from an oscillating inclined plate with radiative flux, heat source and variable temperature effects.

Bioconvective electromagnetic nanofluid transport from a wedge geometry : simulation of smart electro-conductive bio-nano-polymer processing (2017)
Journal Article
Zohra, F., Uddin, M., Ismail, A., & Beg, O. (2017). Bioconvective electromagnetic nanofluid transport from a wedge geometry : simulation of smart electro-conductive bio-nano-polymer processing. Heat Transfer - Asian Research, 47(1), 231-250. https://doi.org/10.1002/htj.21300

A mathematical model is presented for steady, two-dimensional, stagnation-point flow, heat, mass, and micro-organism transfer in a viscous, incompressible, bioconvective, electromagnetic nanofluid along a wedge with Stefan blowing effects, hydrodynam... Read More about Bioconvective electromagnetic nanofluid transport from a wedge geometry : simulation of smart electro-conductive bio-nano-polymer processing.

Numerical exploration of thermal radiation and Biot number effects on the flow of a non-Newtonian MHD Williamson fluid over a vertical convective surface (2017)
Journal Article
Amanulla, C., Nagendra, N., Subba Rao, A., Beg, O., & Kadir, A. (2017). Numerical exploration of thermal radiation and Biot number effects on the flow of a non-Newtonian MHD Williamson fluid over a vertical convective surface. Heat Transfer - Asian Research, 47(2), 286-304. https://doi.org/10.1002/htj.21303

A theoretical and computational study of the magnetohydrodynamic flow and free convection heat transfer in an electroconductive polymer on the external surface of a vertical plate under radial magnetic field is presented. The Biot number effects are... Read More about Numerical exploration of thermal radiation and Biot number effects on the flow of a non-Newtonian MHD Williamson fluid over a vertical convective surface.