Perturbation and numerical study of double-diffusive dissipative reactive convective flow in an open vertical duct containing a non-darcy porous medium with robin boundary conditions

Umavathi, JC; Beg, OA

doi:10.1007/s10665-019-10022-w

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.

Simulation of natural convection heat transfer in a 2-D trapezoidal enclosure (2019)
Journal Article
Venkatadri, K., Gaffar, S., Prasad, V., Khan, B., & Beg, O. (2019). Simulation of natural convection heat transfer in a 2-D trapezoidal enclosure. International journal of automotive and mechanical engineering (Kuantan), 16(4), 7375-7390. https://doi.org/10.15282/ijame.16.4.2019.13.0547

Natural convection within trapezoidal enclosures finds significant practical applications. The natural convection flows play a prominent role in the transport of energy in energy-related applications, in case of proper design enclosures to achieve hi... Read More about Simulation of natural convection heat transfer in a 2-D trapezoidal enclosure.

Numerical simulation of thermal radiation influence on natural convection in a trapezoidal enclosure : heat flow visualization through energy flux vectors (2019)
Journal Article
Venkatadri, K., Beg, O., Rajarajeswar, P., & Prasad, V. (2020). Numerical simulation of thermal radiation influence on natural convection in a trapezoidal enclosure : heat flow visualization through energy flux vectors. International Journal of Mechanical Sciences, 171, https://doi.org/10.1016/j.ijmecsci.2019.105391

A theoretical and numerical study of natural convection intwo-dimensional laminar incompressible flow in a trapezoidal enclosurein the presence of thermal radiation is conducted, motivated by energy systems applications. Heat flow visualization via... Read More about Numerical simulation of thermal radiation influence on natural convection in a trapezoidal enclosure : heat flow visualization through energy flux vectors.

Differential transform solution for hall and ion slip effects on radiative-convective casson flow from a stretching sheet with convective heating (2019)
Journal Article
Bhatti, M., Khan, S., Beg, O., & Kadir, A. (2020). Differential transform solution for hall and ion slip effects on radiative-convective casson flow from a stretching sheet with convective heating. Heat Transfer - Asian Research, 49(2), 872-888. https://doi.org/10.1002/htj.21643

Magnetohydrodynamic (MHD) materials processing is becoming increasingly popular in the 21st century since it offers significant advantages over conventional systems including improved manipulation of working fluids, reduction in wear and enhanced s... Read More about Differential transform solution for hall and ion slip effects on radiative-convective casson flow from a stretching sheet with convective heating.

Entropy analysis on convective film flow of power-law fluid with nanoparticles along an inclined plate (2019)
Journal Article
fluid with nanoparticles along an inclined plate. Journal of Applied Mechanics and Technical Physics, 60, 827-841. https://doi.org/10.1134/S0021894419050067

Entropy generation in a two-dimensional steady laminar thin film convection flow of a non-Newtonian nanofluid (Ostwald-de-Waele-type power-law fluid with embedded nanoparticles) along an inclined plate is examined theoretically. A revised Buongiorno... Read More about Entropy analysis on convective film flow of power-law fluid with nanoparticles along an inclined plate.

Numerical study of slip and radiative effects on magnetic Fe3O4-water-based nanofluid flow from a nonlinear stretching sheet in porous media with Soret and Dufour diffusion (2019)
Journal Article
Bhatti, M., Khalique, C., Beg, T., Beg, O., & Kadir, A. (2020). Numerical study of slip and radiative effects on magnetic Fe3O4-water-based nanofluid flow from a nonlinear stretching sheet in porous media with Soret and Dufour diffusion. Modern Physics Letters B, 34(02), 2050026. https://doi.org/10.1142/S0217984920500268

Increasingly sophisticated techniques are being developed for the manufacture of functional nanomaterials. A growing interest is also developing in magnetic nanofluid coatings which contain magnetite nanoparticles suspended in a base fluid and are re... Read More about Numerical study of slip and radiative effects on magnetic Fe3O4-water-based nanofluid flow from a nonlinear stretching sheet in porous media with Soret and Dufour diffusion.

Multiple solutions for slip effects on dissipative magneto-nanofluid transport phenomena in porous media : stability analysis (2019)
Journal Article
Gupta, Y., Rana, P., Beg, O., & Kadir, A. (2020). Multiple solutions for slip effects on dissipative magneto-nanofluid transport phenomena in porous media : stability analysis. Journal of applied and computational mechanics, 6(4), 956-967. https://doi.org/10.22055/JACM.2019.30144.1689

The present paper considers a numerical investigation of transport phenomena in electricallyconducting nanofluid flow within a porous bed utilizing Buongiorno’s transport model and Runge-Kutta-Fehlberg fourth-fifthorder method.... Read More about Multiple solutions for slip effects on dissipative magneto-nanofluid transport phenomena in porous media : stability analysis.

Finite element analysis of non-Newtonian magnetohemodynamic flow conveying nanoparticles through a stenosed coronary artery (2019)
Journal Article
Vasu, B., Dubey, A., & Beg, O. (2020). Finite element analysis of non-Newtonian magnetohemodynamic flow conveying nanoparticles through a stenosed coronary artery. Heat Transfer - Asian Research, 49(1), 33-66. https://doi.org/10.1002/htj.21598

The present study considers two-dimensional mathematical modelling of non-Newtonian nanofluid hemodynamics with heat and mass transfer in a stenosed coronary artery in the presence of a radial magnetic field. The second-grade differential viscoelasti... Read More about Finite element analysis of non-Newtonian magnetohemodynamic flow conveying nanoparticles through a stenosed coronary artery.

Perturbation and numerical study of double-diffusive dissipative reactive convective flow in an open vertical duct containing a non-darcy porous medium with robin boundary conditions (2019)
Journal Article
Umavathi, J., & Beg, O. (2019). Perturbation and numerical study of double-diffusive dissipative reactive convective flow in an open vertical duct containing a non-darcy porous medium with robin boundary conditions. Journal of Engineering Mathematics, 119, 135-147. https://doi.org/10.1007/s10665-019-10022-w

A mathematical model for thermosolutal convection flow in an open two-dimensional vertical channel containing a porous medium saturated with reactive Newtonian fluid is developed and studied. Robin boundary conditions are prescribed, and a first-orde... Read More about Perturbation and numerical study of double-diffusive dissipative reactive convective flow in an open vertical duct containing a non-darcy porous medium with robin boundary conditions.

All Outputs (357)