Prof Osman Beg's Outputs (458)

Second law analysis of flow in a circular pipe with uniform suction and magnetic field effects (2018)
Journal Article
Nagaraju, G., Jangili, S., RamanaMurthy, J., Beg, O., & Kadir, A. (2018). Second law analysis of flow in a circular pipe with uniform suction and magnetic field effects. Journal of Heat Transfer, 141(1), 012004. https://doi.org/10.1115/1.4041796

The present paper investigates analytically the two-dimensional heat transfer and entropy generation characteristics of axi-symmetric, incompressible viscous fluid flow in a horizontal circular pipe.The flow is subjected to an externally applied unif... Read More about Second law analysis of flow in a circular pipe with uniform suction and magnetic field effects.

Computational modelling and solutions for mixed convection boundary layer flows of nanofluid from a non-isothermal wedge (2018)
Journal Article
Gaffar, S., Prasad, V., Rushi Kumar, B., & Beg, O. (2018). Computational modelling and solutions for mixed convection boundary layer flows of nanofluid from a non-isothermal wedge. Journal of Nanofluids, 7(5), 1024-1032. https://doi.org/10.1166/jon.2018.1522

Buoyancy-driven (“Falkner-Skan”) mixed convection flow of a nanofluid from a nonisothermal wedge has been investigated numerically using an implicit finite difference scheme. The model used for nanofluid includes the effects of Brownian motion, buoya... Read More about Computational modelling and solutions for mixed convection boundary layer flows of nanofluid from a non-isothermal wedge.

Effects of viscous dissipation on miscible thermo-viscous fingering instability in porous media (2018)
Journal Article
Norouzi, M., Dorrani, S., Shokri, H., & Beg, O. (2018). Effects of viscous dissipation on miscible thermo-viscous fingering instability in porous media. International Journal of Heat and Mass Transfer, 129, 212-223. https://doi.org/10.1016/j.ijheatmasstransfer.2018.09.048

The thermo-viscous fingering instability associated with miscible displacement through a porous medium is studied numerically, motivated by applications in upstream oil industries especially enhanced oil recovery (EOR) via wells using hot water flood... Read More about Effects of viscous dissipation on miscible thermo-viscous fingering instability in porous media.

Nonlinear multiphysical laminar nanofluid bioconvection flows : models and computation (2018)
Book Chapter

Bioconvection has been familiar to biological science for over a century. This phenomenon occurs due to average upwardly swimming micro-organisms which are a little denser than water in suspensions. The upper surface of the suspensions is destabilize... Read More about Nonlinear multiphysical laminar nanofluid bioconvection flows : models and computation.

Peristaltic pumping of magnetic nanofluids with thermal radiation and temperature-dependent viscosity effects : modelling a solar magneto-biomimetic nanopump (2018)
Journal Article
Prakash, J., Siva, E., Tripathi, D., Kuharat, S., & Beg, O. (2019). Peristaltic pumping of magnetic nanofluids with thermal radiation and temperature-dependent viscosity effects : modelling a solar magneto-biomimetic nanopump. Renewable Energy, 133, 1308-1326. https://doi.org/10.1016/j.renene.2018.08.096

Nanofluids have shown significant promise in the thermal enhancement of many industrial systems. They have been developed extensively in energy applications in recent years. Solar energy systems are one of the most promising renewables available to h... Read More about Peristaltic pumping of magnetic nanofluids with thermal radiation and temperature-dependent viscosity effects : modelling a solar magneto-biomimetic nanopump.

Numerical simulation of time-dependent non-Newtonian nano-pharmacodynamic transport phenomena in a tapered overlapping stenosed artery (2018)
Journal Article
Ali, N., Zaman, A., Sajid, M., Beg, O., Shamshuddin, M., & Kadir, A. (2018). Numerical simulation of time-dependent non-Newtonian nano-pharmacodynamic transport phenomena in a tapered overlapping stenosed artery. Nanoscience and Technology: An International Journal, 9(3), 247-282. https://doi.org/10.1615/NanoSciTechnolIntJ.2018027297

Nanofluids are becoming increasingly popular in novel hematological treatments and also advanced nanoscale biomedical devices. Motivated by recent developments in this area, a theoretical and numerical study is described for unsteady pulsatile flow,... Read More about Numerical simulation of time-dependent non-Newtonian nano-pharmacodynamic transport phenomena in a tapered overlapping stenosed artery.

Modeling and simulation of nanofluid transport via elastic sheets (2018)
Journal Article
Uddin, M., Sohail, A., Beg, O., & Ismail, A. (2018). Modeling and simulation of nanofluid transport via elastic sheets. Biomedical engineering, 30(5), #185033. https://doi.org/10.4015/S1016237218500333

The field of nanofluidics research has spanned over the past decade with a variety of promising applications. We investigate the ``laminar boundary layer flow’’ of a Newtonian nanofluid past a moving extendable/contractable horizontal plate with surf... Read More about Modeling and simulation of nanofluid transport via elastic sheets.

Effects of ramped wall temperature and concentration on viscoelastic Jeffrey’s fluid flows from a vertical permeable cone (2018)
Journal Article
Gaffar, S., Prasad, V., Beg, O., Khan, M., & Venkatadri, K. (2018). Effects of ramped wall temperature and concentration on viscoelastic Jeffrey’s fluid flows from a vertical permeable cone. Journal of the Brazilian Society of Mechanical Sciences and Engineering, 40(9), #441. https://doi.org/10.1007/s40430-018-1354-7

In thermo-fluid dynamics, free convection flows external to different geometries such as cylinders, ellipses, spheres, curved walls, wavy plates, cones etc. play major role in various industrial and process engineering systems. The thermal buoyancy f... Read More about Effects of ramped wall temperature and concentration on viscoelastic Jeffrey’s fluid flows from a vertical permeable cone.

Numerical simulation of von Karman swirling bioconvection nanofluid flow from a deformable rotating disk (2018)
Presentation / Conference
Kadir, A., Mishra, S., Shamshuddin, M., & Beg, O. (2018, August). Numerical simulation of von Karman swirling bioconvection nanofluid flow from a deformable rotating disk. Poster presented at ICHTFM 2018 : 20th International Conference on Heat Transfer and Fluid Mechanics, Istanbul, Turkey

Rotating disk bio-reactors are fundamental to numerous medical and chemical engineering processes including oxygen transfer, chromatography, purification and swirl-assisted pumping. The modern upsurge in biologically-enhanced engineering devices has... Read More about Numerical simulation of von Karman swirling bioconvection nanofluid flow from a deformable rotating disk.

Simulation of a nanofluid-based annular solar collector (2018)
Presentation / Conference
Kuharat, S., & Beg, O. (2018, August). Simulation of a nanofluid-based annular solar collector. Poster presented at ICHTFM 2018 : 20th International Conference on Heat Transfer and Fluid Mechanics, Istanbul, Turkey

A numerical study of convective heat transfer in an annular pipe solar collector system is conducted. The inner tube contains pure water and the annular region contains nanofluid. Three-dimensional steady-state incompressible laminar flow comprising... Read More about Simulation of a nanofluid-based annular solar collector.

CFD simulation of turbulent convective heat transfer in rectangular mini-channels for rocket cooling applications (2018)
Presentation / Conference
Beg, O., Zubair, A., Kuharat, S., & Babaie, M. (2018, August). CFD simulation of turbulent convective heat transfer in rectangular mini-channels for rocket cooling applications. Poster presented at ICHTFM 2018 : 20th International Conference on Heat Transfer and Fluid Mechanics, Istanbul, Turkey

Heat transfer is one of the most critical aspects of the rocket propulsion design process. According to released heat, thermal loads are extremely large, and thermal insulation is frequently necessary in the motor combustion chambers and nozzles. In... Read More about CFD simulation of turbulent convective heat transfer in rectangular mini-channels for rocket cooling applications.

Thermal stress and CFD analysis of coatings for high-temperature corrosion (2018)
Presentation / Conference
Kadir, A., & Beg, O. (2018, August). Thermal stress and CFD analysis of coatings for high-temperature corrosion. Poster presented at ICHTFM 2018 : 20th International Conference on Heat Transfer and Fluid Mechanics, Istanbul, Turkey

Modern gas turbine blades experience significant thermal loading during expected life cycles. Temperatures can attain in excess of 1000 Celsius. It is therefore necessary to coat the blades with thermal barrier coatings (TBCs) which also provide prot... Read More about Thermal stress and CFD analysis of coatings for high-temperature corrosion.

Oblique radiative solar nano-polymer gel coating heat transfer and slip flow: manufacturing simulation (2018)
Presentation / Conference
Beg, O., Kuharat, S., Mehmood, R., Tabassum, R., & Babaie, M. (2018, August). Oblique radiative solar nano-polymer gel coating heat transfer and slip flow: manufacturing simulation. Poster presented at ICHTFM 2018 : 20th International Conference on Heat Transfer and Fluid Mechanics, Istanbul, Turkey

In the current work we study numerically the time-independent twodimensional, non-aligned (oblique) slip flow of copper metal-doped water-based nano-polymeric sol gels under radiative heat flux. Reynolds temperature-dependent viscosity model is emplo... Read More about Oblique radiative solar nano-polymer gel coating heat transfer and slip flow: manufacturing simulation.

Ansys simulation of natural convection and radiation in a solar enclosure (2018)
Presentation / Conference
Kuharat, S., & Beg, O. (2018, August). Ansys simulation of natural convection and radiation in a solar enclosure. Poster presented at ICHTFM 2018 : 20th International Conference on Heat Transfer and Fluid Mechanics, Istanbul, Turkey

The interest in sustainable and renewable energy systems has witnessed significant expansion in the 21st century. Space solar power (SSP) collectors have multiple advantages over earth-based solar power plants. They receive more sun light, are unaffe... Read More about Ansys simulation of natural convection and radiation in a solar enclosure.

Finite element analysis of rotating oscillatory magneto-convective radiative micropolar thermo-solutal flow (2018)
Journal Article
Shamshuddin, M., Beg, O., & Kadir, A. (2018). Finite element analysis of rotating oscillatory magneto-convective radiative micropolar thermo-solutal flow. International Journal of Fluid Mechanics Research, 45(6), 479-508. https://doi.org/10.1615/InterJFluidMechRes.2018024955

Micropolar fluids provide an alternative mechanism for simulating micro-scale and molecular fluid mechanics which require less computational effort. In the present paper, a numerical analysis is conducted for the primary and secondary flow characteri... Read More about Finite element analysis of rotating oscillatory magneto-convective radiative micropolar thermo-solutal flow.

Theoretical study of Oldroyd-b visco-elastic fluid flow through curved pipes with slip effects in polymer flow processing (2018)
Journal Article
Norouzi, M., Davoodi, M., Beg, O., & Shamshuddin, M. (2018). Theoretical study of Oldroyd-b visco-elastic fluid flow through curved pipes with slip effects in polymer flow processing. International Journal of Applied and Computational Mathematics, 4(108), https://doi.org/10.1007/s40819-018-0541-7

The characteristics of the flow field of both viscous and viscoelastic fluids passing through a curved pipe with a Navier slip boundary condition have been investigated analytically in the present study. The Oldroyd-B constitutive equation is employe... Read More about Theoretical study of Oldroyd-b visco-elastic fluid flow through curved pipes with slip effects in polymer flow processing.

Slip and hall current effects on Jeffrey fluid suspension flow in a peristaltic hydromagnetic blood micropump (2018)
Journal Article
Ramesh, K., Tripathi, D., Beg, O., & Kadir, A. (2019). Slip and hall current effects on Jeffrey fluid suspension flow in a peristaltic hydromagnetic blood micropump. Iranian Journal of Science and Technology Transactions of Mechanical Engineering, 43, 675-692. https://doi.org/10.1007/s40997-018-0230-5

The magnetic properties of blood allow it to be manipulated with an electromagnetic field. Electromagnetic blood flow pumps are a robust technology which provide more elegant and sustainable performance compared with conventional medical pumps. Blood... Read More about Slip and hall current effects on Jeffrey fluid suspension flow in a peristaltic hydromagnetic blood micropump.

Lie symmetry analysis and numerical solutions for thermo-solutal chemicallyreacting radiative micropolar flow from an inclined porous surface (2018)
Journal Article
Shamshuddin, M., Mishra, S., Beg, O., & Kadir, A. (2018). Lie symmetry analysis and numerical solutions for thermo-solutal chemicallyreacting radiative micropolar flow from an inclined porous surface. Heat Transfer - Asian Research, 47(7), 918-940. https://doi.org/10.1002/htj.21358

Steady, laminar, incompressible thermo-solutal natural convection flow of micropolar fluid from an inclined
perforated surface with convective boundary conditions is studied. Thermal radiative flux and chemical reaction
effects are included to re... Read More about Lie symmetry analysis and numerical solutions for thermo-solutal chemicallyreacting radiative micropolar flow from an inclined porous surface.

Effect of temperature-dependent viscosity on entropy generation in transient viscoelastic polymeric fluid flow from an isothermal vertical plate (2018)
Journal Article
Janardhana Reddy, G., Kumar, M., & Beg, O. (2018). Effect of temperature-dependent viscosity on entropy generation in transient viscoelastic polymeric fluid flow from an isothermal vertical plate. Physica A: Statistical Mechanics and its Applications, 510, 426-445. https://doi.org/10.1016/j.physa.2018.06.065

A numerical investigation of the viscosity variation effect upon entropy generation in time-dependent viscoelastic polymeric fluid flow and natural convection from a semi-infinite vertical plate is described. The Reiner-Rivlin second order differenti... Read More about Effect of temperature-dependent viscosity on entropy generation in transient viscoelastic polymeric fluid flow from an isothermal vertical plate.

Unsteady electromagnetic radiative nanofluid stagnation-point flow from a stretching sheet with chemically reactive nanoparticles, Stefan blowing effect and entropy generation (2018)
Journal Article
Rana, P., Shukla, N., Beg, O., Kadir, A., & Singh, B. (2018). Unsteady electromagnetic radiative nanofluid stagnation-point flow from a stretching sheet with chemically reactive nanoparticles, Stefan blowing effect and entropy generation. Proceedings of the Institution of Mechanical Engineers, Part N: Journal of Nanomaterials, Nanoengineering and Nanosystems, 232(2-3), 69-82. https://doi.org/10.1177/2397791418782030

The present article investigates the combined influence of nonlinear radiation, Stefan blowing and chemical reactions on unsteady EMHD stagnation point flow of a nanofluid from a horizontal stretching sheet. Both electrical and magnetic body forces a... Read More about Unsteady electromagnetic radiative nanofluid stagnation-point flow from a stretching sheet with chemically reactive nanoparticles, Stefan blowing effect and entropy generation.