All Outputs (53)

Mathematical modelling of pressure-driven micropolar biological flow due to metachronal wave propulsion of beating cilia (2018)
Journal Article
Akbar, N., Tripathi, D., Khan, Z., & Beg, O. (2018). Mathematical modelling of pressure-driven micropolar biological flow due to metachronal wave propulsion of beating cilia. Mathematical Biosciences, 301, 121-128. https://doi.org/10.1016/j.mbs.2018.04.001

In this paper, we present an analytical study of pressure-driven flow of micropolar non-Newtonian physiological fluids through a channel comprising two parallel oscillating walls. The cilia are arranged at equal intervals and protrude normally from b... Read More about Mathematical modelling of pressure-driven micropolar biological flow due to metachronal wave propulsion of beating cilia.

Experimental study of improved rheology and lubricity of drilling fluids enhanced with nano-particles (2018)
Journal Article
Beg, O., Sanchez Espinoza, D., Kadir, A., Shamshuddin, M., & Sohail, A. (2018). Experimental study of improved rheology and lubricity of drilling fluids enhanced with nano-particles. Applied Nanoscience, 8(5), 1069-1090. https://doi.org/10.1007/s13204-018-0746-4

An experimental study of the rheology and lubricity properties of a drilling fluid is reported, motivated by applications in highly deviated and extended reach wells. Recent developments in nanofluids have identified that the judicious injection of n... Read More about Experimental study of improved rheology and lubricity of drilling fluids enhanced with nano-particles.

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
Beg, O. (2018). Multi-physical electro-magnetic propulsion fluid dynamics : mathematical modelling and computation. In S. Sparks, & B. Willis (Eds.), Mathematical Modeling : Methods, Applications and Research (2-88). New York, USA: Nova Science Publishers, New York, USA

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.