All Outputs (41)

Blowing and multiple slip effects on bio-nano-convection flow in porous media within the gap of a rotating cone-disc system (2025)
Journal Article

Fluid flow inside the gap between a rotating cone and a disc has significant applications in biochemical engineering, biotechnological (biofuel) processing and materials science. In these areas, engineers are continuously exploring the combination of... Read More about Blowing and multiple slip effects on bio-nano-convection flow in porous media within the gap of a rotating cone-disc system.

CFD Modelling of Combustion and NOX Production in a Propulsion Duct with Aspect Ratio Effects (2024)
Book Chapter

Combustion simulation is fundamental to numerous propulsion systems including gas turbine engines, chemical rocket propulsion etc. It is a complex area involving viscous fluid dynamics, heat transfer, combustion chemistry and flame dynamics. In the p... Read More about CFD Modelling of Combustion and NOX Production in a Propulsion Duct with Aspect Ratio Effects.

TWO-WAY FLUID-STRUCTURE INTERACTION HYDROELASTIC SIMULATION OF VIBRATING MEMBRANES WITH APPLICATIONS IN MARINE RENEWABLE WAVE POWER (2024)
Book Chapter

Modern ocean engineering is developing quickly and floating cities, new energy harvesting methods and novel
marine systems are unfolding in the 21st century. The intelligent design of many such systems is exploiting
“compliant” structures which d... Read More about TWO-WAY FLUID-STRUCTURE INTERACTION HYDROELASTIC SIMULATION OF VIBRATING MEMBRANES WITH APPLICATIONS IN MARINE RENEWABLE WAVE POWER.

Robust finite difference scheme for the magnetohydrodynamics natural convection in a quadrant-shaped enclosure with radiation effect (2024)
Journal Article

Modern hybrid fuel cells and electromagnetic batch processes feature many complex nonlinear phenomena that can be investigated using advanced numerical methods. Motivated by these applications, the main focus of the present study is to examine the hy... Read More about Robust finite difference scheme for the magnetohydrodynamics natural convection in a quadrant-shaped enclosure with radiation effect.

CFD simulation in hvac curved duct ventilation (2023)
Presentation / Conference Contribution

Partial Differential Equations in Applied Mathematics https://www.sciencedirect.com/journal/partial-differential-equations-in-applied- mathematics Analysis of unsteady thermo-solutal MoS2-EO Brinkman electro-conductive reactive nanofluid transport in a hybrid rotating Hall MHD generator (2023)
Journal Article

MHD rotating generators offer a plausible renewable energy mechanism. New designs are emerging in which nanotechnology is contributing. Such systems are increasingly deploying more complex functional fluid materials such as base fluids containing mag... Read More about Partial Differential Equations in Applied Mathematics https://www.sciencedirect.com/journal/partial-differential-equations-in-applied- mathematics Analysis of unsteady thermo-solutal MoS2-EO Brinkman electro-conductive reactive nanofluid transport in a hybrid rotating Hall MHD generator.

Dynamics of tangent-hyperbolic nanoliquids configured by stratified extending surface: effects of transpiration, Robin conditions and dual stratifications (2022)
Journal Article
Nasir, M., Waqas, M., Beg, O., Zamri, N., Leonard, H., & Guedri, K. (2022). Dynamics of tangent-hyperbolic nanoliquids configured by stratified extending surface: effects of transpiration, Robin conditions and dual stratifications. International Communications in Heat and Mass Transfer, 139, https://doi.org/10.1016/j.icheatmasstransfer.2022.106372

A mathematical study is presented to evaluate double stratification effects on the
dual convected flow of a non-Newtonian (tangent-hyperbolic) nanoliquids persuaded by porous
stretching surface. Thermal radiation along with transpiration (wall suct... Read More about Dynamics of tangent-hyperbolic nanoliquids configured by stratified extending surface: effects of transpiration, Robin conditions and dual stratifications.

Computational fluid dynamic simulation of thermal convection in green fuel cells with finite volume and Lattice Boltzmann methods (2022)
Book Chapter

The modern thrust for green energy technologies has witnessed considerable efforts in developing efficient, environmentally friendly fuel cells. This has been particularly so in the automotive sector which is the dominant mode of personal transport i... Read More about Computational fluid dynamic simulation of thermal convection in green fuel cells with finite volume and Lattice Boltzmann methods.

Finite volume numerical analysis of diamond and zinc nanoparticles performance in a water-based trapezium direct absorber solar collector with buoyancy effects (2022)
Book Chapter

In recent years many nanomaterials have been deployed in solar energy systems. These include both carbon-based (e.g. silicates, diamond, carbon nanotubes) and metallic nanoparticles (gold, silver, copper, tin, zinc etc). By combining these nanopartic... Read More about Finite volume numerical analysis of diamond and zinc nanoparticles performance in a water-based trapezium direct absorber solar collector with buoyancy effects.

Numerical study of natural convection dissipative electro‐magnetic non‐Newtonian flow through a non‐Darcy channel (2022)
Journal Article
Zhang, L., Bhatti, M. M., Beg, O., Leonard, H. J., & Kuharat, S. (2022). Numerical study of natural convection dissipative electro‐magnetic non‐Newtonian flow through a non‐Darcy channel. ZAMM, 102(10), https://doi.org/10.1002/zamm.202100608

Inspired by simulating duct thermal processing of novel functional polymers, a novel mathematical model is developed for buoyancy-driven heat transfer in non-Newtonian Williamson fluid flow in a vertical parallel plate duct containing a permeable med... Read More about Numerical study of natural convection dissipative electro‐magnetic non‐Newtonian flow through a non‐Darcy channel.

Chemically reactive Maxwell nanoliquid flow by a stretching surface in frames of Newtonian heating, nonlinear convection and radiative flux : nanopolymer flow processing simulation (2022)
Journal Article

The effects of chemical reaction and radiative heat flux in nonlinear mixed thermo-solutal
convection flow of a viscoelastic nanoliquid from a stretchable surface are investigated theoretically.
Newtonian heating is also considered. The UCM (upper... Read More about Chemically reactive Maxwell nanoliquid flow by a stretching surface in frames of Newtonian heating, nonlinear convection and radiative flux : nanopolymer flow processing simulation.

Simulation of hydrodynamic penetration in aircraft composite wings using finite volume and fluid-structure-interaction methods (2022)
Presentation / Conference
Beg, O., Kadir, A., Beg, T., Leonard, H., Jouri, W., Gorla, R., & Islam, B. (2022, March). Simulation of hydrodynamic penetration in aircraft composite wings using finite volume and fluid-structure-interaction methods. Presented at ICAMET 2022: 16th International Conference on Aero-Mechanical Engineering and Technologies, Dubai, United Arab Emirates

Hydrodynamic penetration in composite materials has been proven to be an important issue leading to significant deterioration of commercial aircraft wing structures. Lingering problems associated with this issue which is initiated with de... Read More about Simulation of hydrodynamic penetration in aircraft composite wings using finite volume and fluid-structure-interaction methods.

Computation of reactive thermosolutal micropolar nanofluid Sakiadis convection flow with gold/silver metallic nanoparticles (2022)
Journal Article
Shamshuddin, M., Ferdows, M., Beg, O., Beg, T., & Leonard, H. (in press). Computation of reactive thermosolutal micropolar nanofluid Sakiadis convection flow with gold/silver metallic nanoparticles. Waves in Random and Complex Media, https://doi.org/10.1080/17455030.2022.2051773

In the present study, a mathematical model is developed by combining the Tiwari-Das nanofluid
formulation with the Eringen micro-morphic model to simulate the thermo-solutal natural convection chemically
reacting micropolar nanofluid flow from a pe... Read More about Computation of reactive thermosolutal micropolar nanofluid Sakiadis convection flow with gold/silver metallic nanoparticles.

Computation of heat transfer in exothermically reacting rheological hypergolic gel fuels for rocket propulsion systems (2022)
Presentation / Conference
Beg, O., Beg, T., Kadir, A., Leonard, H., Zubair, A., Jouri, W., & Gorla, R. (2022, March). Computation of heat transfer in exothermically reacting rheological hypergolic gel fuels for rocket propulsion systems. Presented at ICAMET 2022 : 16th International Conference on Aero-mechanical Engineering & Technology, Dubai, United Arab Emirates

In recent years spacecraft engineers have been actively developing novel rocket fuels for improved
combustion performance and longer duration burn times. Numerous studies have shown the potential
benefits of gelled fuels and oxidizers. The NASA Lew... Read More about Computation of heat transfer in exothermically reacting rheological hypergolic gel fuels for rocket propulsion systems.

Monte Carlo simulation of muonic catalysis in nuclear fusion space propulsion (2022)
Presentation / Conference
Beg, O., Beg, T., Kadir, A., Leonard, H., Zubair, A., & Kuharat, S. (2022, March). Monte Carlo simulation of muonic catalysis in nuclear fusion space propulsion. Presented at ICAMET 2022: 16th International Conference on Aero-Mechanical Engineering & Technology, Dubai

With ever-increasing interest in manned space missions, engineers are exploring a variety of exciting concepts for deep space propulsion systems. The most promising thusfar are nuclear propulsion systems (NPS) which may be fission-based or fusion-... Read More about Monte Carlo simulation of muonic catalysis in nuclear fusion space propulsion.

Numerical study of magnetohydrodynamic natural convection in a non-Darcian porous enclosure filled with electrically conducting helium gas (2022)
Journal Article
Beg, O., Venkatadri, K., Prasad, V., Beg, T., Leonard, H., Gorla, R., & Rajarajeswari, P. (2022). Numerical study of magnetohydrodynamic natural convection in a non-Darcian porous enclosure filled with electrically conducting helium gas. Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, https://doi.org/10.1177/09544062211003624

A theoretical and computational study of MHD natural convection in an isotropic non-Darcian porous medium saturated with electrically conducting helium gas in an enclosure in the presence of heat generation is presented. A Brinkman extended Darcy-For... Read More about Numerical study of magnetohydrodynamic natural convection in a non-Darcian porous enclosure filled with electrically conducting helium gas.

Aero-acoustic turbulent computational fluid dynamics simulation of a generic automobile with multiple broadband source models (2021)
Presentation / Conference Contribution

Various transport engineering systems face numerous challenges to contain the excessive excitations due to aeroacoustics. The regulation of noise, stability and passenger comfort are some of the key parameters that are critical for optimi... Read More about Aero-acoustic turbulent computational fluid dynamics simulation of a generic automobile with multiple broadband source models.

Computation of viscous channel flow in a rotating magnetohydrodynamic energy generator configuration with oscillatory effects (2021)
Presentation / Conference
Beg, O., Beg, T., El Gendy, M., Kadir, A., & Leonard, H. (2021, January). Computation of viscous channel flow in a rotating magnetohydrodynamic energy generator configuration with oscillatory effects. Presented at ICETP 2021: 15th International Conference on Energy and Thermal Physics, Rome, Italy

With the desire for a green economy in the 21st century, considerable resurgence in renewable energy systems has been
witnessed. Among the most promising and least environmentally damaging systems is the MHD (magnetohydrodynamic)
energy generator.... Read More about Computation of viscous channel flow in a rotating magnetohydrodynamic energy generator configuration with oscillatory effects.

Computational fluid dynamic simulation of thermal convection in green fuel cells with finite volume and lattice Boltzmann methods (2021)
Presentation / Conference Contribution

The modern thrust for green energy technologies has witnessed considerable efforts in developing efficient, environmentally friendly fuel cells. This has been particularly so in the automotive sector which is the dominant mode of personal... Read More about Computational fluid dynamic simulation of thermal convection in green fuel cells with finite volume and lattice Boltzmann methods.

Homotopy simulation of dissipative micropolar flow and heat transfer from a two-dimensional body with heat sink effect : applications in polymer coating (2020)
Journal Article

Non-Newtonian flow from a wedge constitutes a fundamental problem in chemical engineering systems and is relevant
to processing of polymers, coating systems etc. Motivated by such applications, we employ the homotopy analysis
method (HAM) to obtain... Read More about Homotopy simulation of dissipative micropolar flow and heat transfer from a two-dimensional body with heat sink effect : applications in polymer coating.