All Outputs (346)

Computation of gold-water nanofluid natural convection in a three-dimensional tilted prismatic solar enclosure with aspect ratio and volume fraction effects (2020)
Journal Article
Kuharat, S., Beg, O., Kadir, A., Vasu, B., Beg, T., & Jouri, W. (2020). Computation of gold-water nanofluid natural convection in a three-dimensional tilted prismatic solar enclosure with aspect ratio and volume fraction effects. Nanoscience and Technology: An International Journal, 11(2), 141-167. https://doi.org/10.1615/NanoSciTechnolIntJ.2020031257

Nanofluids are increasingly being deployed in numerous energy applications owing to their impressive thermal enhancement properties. Motivated by these developments in the current study we present finite volume numerical simulations of natural c... Read More about Computation of gold-water nanofluid natural convection in a three-dimensional tilted prismatic solar enclosure with aspect ratio and volume fraction effects.

Entropy generation of tangent hyperbolic nanofluid over a circular cylinder in the presence of nonlinear Boussinesq approximation : a non-similar solution (2020)
Journal Article
Basha, H., Sivaraj, R., Prasad, V., & Beg, O. (2021). Entropy generation of tangent hyperbolic nanofluid over a circular cylinder in the presence of nonlinear Boussinesq approximation : a non-similar solution. Journal of Thermal Analysis and Calorimetry, 143(3), 2273-2289. https://doi.org/10.1007/s10973-020-09981-5

The analysis of entropy generation has received notable attention in the study of nanofluids because the prime objective of nanofluids is to admit high heat fluxes. The entropy production can be utilized to generate the entropy in any irreversible... Read More about Entropy generation of tangent hyperbolic nanofluid over a circular cylinder in the presence of nonlinear Boussinesq approximation : a non-similar solution.

Mathematical modelling of triple diffusion in natural convection flow in a vertical duct with Robin boundary conditions, viscous heating and chemical reaction effects (2020)
Journal Article
Umavathi, J., & Beg, O. (2020). Mathematical modelling of triple diffusion in natural convection flow in a vertical duct with Robin boundary conditions, viscous heating and chemical reaction effects. Journal of Engineering Thermophysics, 29, 348-373. https://doi.org/10.1134/S1810232820020162

The triple-diffusive convective flow (thermal diffusion and dual species diffusion) in a viscous fluid flowing within a vertical duct is investigated subject to Robin boundary conditions at the duct walls. Viscous heating and homoge... Read More about Mathematical modelling of triple diffusion in natural convection flow in a vertical duct with Robin boundary conditions, viscous heating and chemical reaction effects.

Melting heat transfer analysis of electrically conducting nanofluid flow over an exponentially shrinking/stretching porous sheet with radiative heat flux under magnetic field (2020)
Journal Article
Venkatadri, K., Gaffar, S., Rajarajeswari, P., Prasad, V., Beg, O., & Khan, B. (2020). Melting heat transfer analysis of electrically conducting nanofluid flow over an exponentially shrinking/stretching porous sheet with radiative heat flux under magnetic field. Heat Transfer, 49(8), 4281-4303. https://doi.org/10.1002/htj.21827

Modern magnetic nanomaterials processing operations are progressing rapidly and require increasingly sophisticated mathematical models for their optimization. Stimulated by such developments, in this article, a theoretical and computational study o... Read More about Melting heat transfer analysis of electrically conducting nanofluid flow over an exponentially shrinking/stretching porous sheet with radiative heat flux under magnetic field.

Computation of metallic nanofluid natural convection in a two-dimensional solar enclosure with radiative heat transfer, aspect ratio and volume fraction effects (2020)
Journal Article
Kuharat, S., Beg, O., Kadir, A., & Vasu, B. (2020). Computation of metallic nanofluid natural convection in a two-dimensional solar enclosure with radiative heat transfer, aspect ratio and volume fraction effects. Arabian Journal for Science and Engineering, 45, 9075-9093. https://doi.org/10.1007/s13369-020-04678-1

As a model of nanofluid direct absorber solar collectors (nano-DASCs), the present article describes recent numerical simulations of steady-state nanofluid natural convection in a two-dimensional enclosure. Incompressible laminar Newtonian viscous... Read More about Computation of metallic nanofluid natural convection in a two-dimensional solar enclosure with radiative heat transfer, aspect ratio and volume fraction effects.

MHD free convection-radiation interaction in a porous medium - part II : Soret/Dufour effects (2020)
Journal Article
Vasu, B., Gorla, R., Murthy, P., Prasad, V., Beg, O., & Siddiqa, S. (2020). MHD free convection-radiation interaction in a porous medium - part II : Soret/Dufour effects. International Journal of Applied Mechanics and Engineering, 25(2), 157-175. https://doi.org/10.2478/ijame-2020-0027

This paper is focused on the study of two dimensional steady magnetohydrodynamics heat and mass transfer by laminar free convection from a radiative horizontal circular cylinder in a nonDarcy porous medium by taking account the Soret/Dufour effects.... Read More about MHD free convection-radiation interaction in a porous medium - part II : Soret/Dufour effects.

Electroosmotic flow in a microchannel containing a porous medium with complex wavy walls (2020)
Journal Article
Tripathi, D., Bhushan, S., & Beg, O. (2020). Electroosmotic flow in a microchannel containing a porous medium with complex wavy walls. Journal of Porous Media, 23(5), 477-495. https://doi.org/10.1615/JPorMedia.2020026114

In present paper, we simulate the electro-kinetic transport of aqueous solution through a microchannel containing porous media. The micro-channel walls are simulated as complex wavy surface and are modelled by superimposing the three wave functions... Read More about Electroosmotic flow in a microchannel containing a porous medium with complex wavy walls.

A review on recent advancements in the hemodynamics of nano-drug delivery systems (2020)
Journal Article
Beg, O., Tripathi, J., Vasu, B., Gorla, R., Murthy, P., & Saikrishnan, P. (2020). A review on recent advancements in the hemodynamics of nano-drug delivery systems. Nanoscience and Technology: An International Journal, 11(1), 73-98. https://doi.org/10.1615/NanoSciTechnolIntJ.2020033448

Cardiovascular disease (CVD) is a leading cause of mortality and morbidity in developed countries. CVD is produced by atherosclerotic lesions that reduce arterial lumen size through plaque formation and arterial thickening. This decreases blood flo... Read More about A review on recent advancements in the hemodynamics of nano-drug delivery systems.

Effects of thermophysical properties on heat transfer at the interface of two immisicible fluids in a vertical duct: numerical study (2020)
Journal Article
Beg, O., & Umavathi, J. (2020). Effects of thermophysical properties on heat transfer at the interface of two immisicible fluids in a vertical duct: numerical study. International Journal of Heat and Mass Transfer, 154, 119613. https://doi.org/10.1016/j.ijheatmasstransfer.2020.119613

A comprehensive theoretical and numerical investigation is presented for two fluids with different physical properties. The effects of buoyancy and viscous heating are addressed. Non-isothermal wall conditions are applied at the walls. The front an... Read More about Effects of thermophysical properties on heat transfer at the interface of two immisicible fluids in a vertical duct: numerical study.

Biomathematical model for gyrotactic free-forced bioconvection with oxygen diffusion in near-wall transport within a porous medium fuel cell (2020)
Journal Article
Nima, N., Ferdows, M., Beg, O., Kuharat, S., & Alzahrani, F. (2020). Biomathematical model for gyrotactic free-forced bioconvection with oxygen diffusion in near-wall transport within a porous medium fuel cell. International Journal of Biomathematics, 13(4), 2050026. https://doi.org/10.1142/S1793524520500266

Bioconvection has shown significant promise for environmentally friendly, sustainable “green” fuel cell technologies. The improved design of such systems requires continuous refinements in biomathematical modelling in conjunction with laboratory an... Read More about Biomathematical model for gyrotactic free-forced bioconvection with oxygen diffusion in near-wall transport within a porous medium fuel cell.

Numerical solutions for axisymmetric non-Newtonian stagnation enrobing flow, heat and mass transfer with application to cylindrical pipe coating dynamics (2020)
Journal Article
Beg, O., Bhargava, R., Sharma, S., Beg, T., Shamshuddin, M., & Kadir, A. (2020). Numerical solutions for axisymmetric non-Newtonian stagnation enrobing flow, heat and mass transfer with application to cylindrical pipe coating dynamics. Computational Thermal Sciences, 12(1), 79-97. https://doi.org/10.1615/ComputThermalScien.2020026228

Heat and mass transfer in variable thermal conductivity micropolar axisymmetric stagnation enrobing flow on a cylinder is studied. Numerical solutions are obtained with an optimized variational finite element procedure and also a finite difference me... Read More about Numerical solutions for axisymmetric non-Newtonian stagnation enrobing flow, heat and mass transfer with application to cylindrical pipe coating dynamics.

MHD free convection-radiation interaction in a porous medium - part I : numerical investigation (2020)
Journal Article
Vasu, B., Gorla, R., Murthy, P., Prasad, V., Beg, O., & Siddiqa, S. (2020). MHD free convection-radiation interaction in a porous medium - part I : numerical investigation. International Journal of Applied Mechanics and Engineering, 25(1), 198-218. https://doi.org/10.2478/ijame-2020-0013

A numerical investigation of two dimensional steady magnetohydrodynamics heat and mass transfer by laminar free convection from a radiative horizontal circular cylinder in a non-Darcy porous medium is presented by taking into account the Soret/Dufo... Read More about MHD free convection-radiation interaction in a porous medium - part I : numerical investigation.

Computation of transient radiative reactive thermo-solutal magnetohydrodynamic convection in inclined mhd hall generator flow with dissipation and cross diffusion (2020)
Journal Article
Beg, O., Sheri, S., Modugula, P., & Kadir, A. (2020). Computation of transient radiative reactive thermo-solutal magnetohydrodynamic convection in inclined mhd hall generator flow with dissipation and cross diffusion. Computational Thermal Sciences, 11(6), 541-563. https://doi.org/10.1615/ComputThermalScien.2019026405

The present article investigates the collective influence of chemical reaction, viscous dissipation and Hall current magnetic effects on timedependent radiative magnetohydrodynamic flow, heat and mass transfer from an inclined wall embedded in a homo... Read More about Computation of transient radiative reactive thermo-solutal magnetohydrodynamic convection in inclined mhd hall generator flow with dissipation and cross diffusion.

Computation of non-isothermal thermo-convective micropolar fluid dynamics in a Hall MHD generator system with non-linear distending wall (2020)
Journal Article
Beg, O., Ferdows, M., Karim, M., Hasan, M., Beg, T., Shamshuddin, M., & Kadir, A. (2020). Computation of non-isothermal thermo-convective micropolar fluid dynamics in a Hall MHD generator system with non-linear distending wall. International Journal of Applied and Computational Mathematics, 6, 42. https://doi.org/10.1007/s40819-020-0792-y

A theoretical model for steady non-isothermal convective heat transfer in non-Newtonian magnetized micropolar gas flow from a non-linear stretching/contracting wall in the presence of strong magnetic field is presented, as a simulation of an MHD (m... Read More about Computation of non-isothermal thermo-convective micropolar fluid dynamics in a Hall MHD generator system with non-linear distending wall.

Comparative study of hybrid nanofluids in microchannel slip flow induced by electroosmosis and peristalsis (2020)
Journal Article
Beg, O., Prakash, J., & Tripathi, D. (2020). Comparative study of hybrid nanofluids in microchannel slip flow induced by electroosmosis and peristalsis. Applied Nanoscience, 10, 1693-1706. https://doi.org/10.1007/s13204-020-01286-1

In this paper, a mathematical model is developed to investigate the electroosmotic flow of hybrid nanoliquids (containing dissimilar nanoparticles) through an asymmetric microchannel which is moving sinusoidally with constant wave velocity under an... Read More about Comparative study of hybrid nanofluids in microchannel slip flow induced by electroosmosis and peristalsis.

Computational fluid dynamic simulation of two-fluid non-newtonian nanohemodynamics through a diseased artery with a stenosis and aneurysm (2020)
Journal Article
Dubey, A., Vasu, B., Beg, O., Gorla, R., & Kadir, A. (2020). Computational fluid dynamic simulation of two-fluid non-newtonian nanohemodynamics through a diseased artery with a stenosis and aneurysm. Computer Methods in Biomechanics and Biomedical Engineering, 23(8), 345-371. https://doi.org/10.1080/10255842.2020.1729755

This article presents a two-dimensional theoretical study of hemodynamics through a diseased permeable artery with a mild stenosis and an aneurysm present. The effect of metallic nanoparticles on the blood flow is considered, motivated by drug deli... Read More about Computational fluid dynamic simulation of two-fluid non-newtonian nanohemodynamics through a diseased artery with a stenosis and aneurysm.

Biomechanics of superparamagnetic nanoparticles for laser hyperthermia (2020)
Journal Article
Fatima, M., Sohail, A., Akram, K., Sherin, L., Butt, S., Abid, M., & Beg, O. (2020). Biomechanics of superparamagnetic nanoparticles for laser hyperthermia. Biomedical Engineering: Applications, Basis and Communications, 32(1), https://doi.org/10.4015/S1016237220500076

Nanoparticle hyperthermia treatment is progressing with the passage of time, and with the development in the field of hybrid nanoparticles synthesis. The transient heat transfer in magnetite-graphene nanocomposite in three-dimensions under conduct... Read More about Biomechanics of superparamagnetic nanoparticles for laser hyperthermia.

Non-similar solution of g-jitter induced unsteady magnetohydrodynamic radiative slip flow of nanofluid (2020)
Journal Article
Uddin, M., Khan, W., Beg, O., & Ismail, A. (2020). Non-similar solution of g-jitter induced unsteady magnetohydrodynamic radiative slip flow of nanofluid. Applied Sciences, 10(4), e1420. https://doi.org/10.3390/app10041420

We present a mathematical model and numerical simulation of the unsteady 2-D g-jitter-free and forced convective flow of water-based nanofluid from a flat plate, considering both the velocity slip and thermal slip conditions imposed on the wall of... Read More about Non-similar solution of g-jitter induced unsteady magnetohydrodynamic radiative slip flow of nanofluid.

Simulation of unsteady natural convection flow of a Casson viscoplastic fluid in a square enclosure utilizing a MAC algorithm (2020)
Journal Article
Beg, O., Devi, T., Lakshmi, C., Venkatadri, K., & Prasad, V. (2020). Simulation of unsteady natural convection flow of a Casson viscoplastic fluid in a square enclosure utilizing a MAC algorithm. Heat Transfer - Asian Research, 49(4), 1769-1787. https://doi.org/10.1002/htj.21690

Non-Newtonian fluids are increasingly being deployed in energy systems and materials processing. Motivated by these developments, in the current study, a numerical simulation is performed on two-dimensional, unsteady buoyancy-driven flow in a squar... Read More about Simulation of unsteady natural convection flow of a Casson viscoplastic fluid in a square enclosure utilizing a MAC algorithm.

Computation of electroconductive gyrotactic bioconvection from a nonlinear inclined stretching sheet under non-uniform magnetic field : simulation of smart bio-nano-polymer coatings for solar energy (2020)
Journal Article
Beg, O., Aneja, M., Sharma, S., & Kuharat, S. (2020). Computation of electroconductive gyrotactic bioconvection from a nonlinear inclined stretching sheet under non-uniform magnetic field : simulation of smart bio-nano-polymer coatings for solar energy. International Journal of Modern Physics B, 34(5), 2050028. https://doi.org/10.1142/S0217979220500289

Incompressible, steady-state, boundary layer magneto-bioconvection of a nanofluid (containing motile gyrotactic micro-organisms) over a nonlinear inclined stretching sheet subjected to non-uniform magnetic field is studied theoretically and numeric... Read More about Computation of electroconductive gyrotactic bioconvection from a nonlinear inclined stretching sheet under non-uniform magnetic field : simulation of smart bio-nano-polymer coatings for solar energy.