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Fabrication with magnetic-spin coating: influence of magnetic-inertia energy ratio on gold-pickering ferrofluid droplet assembly morphology. (2024)
Journal Article
OKPOZO, P., NJUGUNA, J., ISLAM, S., UYANGA, K. and PANCHOLI, K. 2024. Fabrication with magnetic-spin coating: influence of magnetic-inertia energy ratio on gold-pickering ferrofluid droplet assembly morphology. Journal of magnetism and magnetic materials [online], 611, article number 172577. Available from: https://doi.org/10.1016/j.jmmm.2024.172577

Magnetic self-assembly of nanoparticles is a well-known technique for creating thin-film array-patterned functional microstructures. However, an uncontrollable hierarchical assembly formation of magnetically stimulated particles has hindered the desi... Read More about Fabrication with magnetic-spin coating: influence of magnetic-inertia energy ratio on gold-pickering ferrofluid droplet assembly morphology..

Numerical investigations on the transient aerodynamic performance characterization of a multibladed vertical axis wind turbine. (2024)
Journal Article
CHRISTIE, J., LINES, T., SIMPSON, D., ASIM, T., SIDDIQUI, M.S. and ISLAM, S.Z. 2024. Numerical investigations on the transient aerodynamic performance characterization of a multibladed vertical axis wind turbine. Energies [online], 17(8), article number 1900. Available from: https://doi.org/10.3390/en17081900

The use of vertical axis wind turbines (VAWTs) in urban environments is on the rise due to their relatively smaller size, simpler design, lower manufacturing and maintenance costs, and above all, due to their omnidirectionality. The multibladed drag-... Read More about Numerical investigations on the transient aerodynamic performance characterization of a multibladed vertical axis wind turbine..

Analytical modelling of the hydraulic effect of hydrate deposition on transportability and plugging location in subsea gas pipelines. (2023)
Journal Article
UMUTEME, O.M., ISLAM, S.Z., HOSSAIN, M. and KARNIK, A. 2024. Analytical modelling of the hydraulic effect of hydrate deposition on transportability and plugging location in subsea gas pipelines. Proceedings of the Institution of Mechanical Engineers, Part C: journal of mechanical engineering science [online], 238(10), pages 4840-4865. Available from: https://doi.org/10.1177/09544062231196986

Accurate prediction of the hydraulic effect of hydrate deposition and plug location is critical to the safety and operability of natural gas transport pipelines, especially for gas-dominant subsea pipelines where maintenance and intervention activiti... Read More about Analytical modelling of the hydraulic effect of hydrate deposition on transportability and plugging location in subsea gas pipelines..

Start-up dynamics of vertical axis wind turbines: a review. (2023)
Journal Article
LOUGH, J., ASIM, T., COULL, S., MARSHALL, A., ISLAM, S.Z. and AMBER, I. 2023. Start-up dynamics of vertical axis wind turbines: a review. Journal of physics: conference series [online], 2626: proceedings from the 2023 EERA (European Energy Research Alliance) DeepWind conference, 18-20 January 2023, Trondheim, Norway, article 012006. Available from: https://doi.org/10.1088/1742-6596/2626/1/012006

Vertical Axis Wind Turbines (VAWTs) are becoming increasingly popular for wind power extraction due to their simpler design, lower manufacturing and maintenance costs. The omni-directionality of these power generating machines make them more suitable... Read More about Start-up dynamics of vertical axis wind turbines: a review..

Modelling hydrate deposition in gas-dominant subsea pipelines in operating and shutdown scenarios. (2023)
Journal Article
UMUTEME, O.M., ISLAM, S.Z., HOSSAIN, M. and KARNIK, A. 2023. Modelling hydrate deposition in gas-dominant subsea pipelines in operating and shutdown scenarios. Sustainability [online], 15(18), article number 13824. Available from: https://doi.org/10.3390/su151813824

This study addresses a significant research gap related to hydrate formation in subsea gas pipelines, with a specific focus on deposition rates during shutdown scenarios, which has received limited attention in previous studies. Past research has emp... Read More about Modelling hydrate deposition in gas-dominant subsea pipelines in operating and shutdown scenarios..

Computational fluid dynamics simulation of natural gas hydrate sloughing and pipewall shedding temperature profile: implications for CO2 transportation in subsea pipeline. (2023)
Journal Article
UMUTEME, O.M., ISLAM, S.Z., HOSSAIN, M. and KARNIK, A. 2023. Computational fluid dynamics simulation of natural gas hydrate sloughing and pipewall shedding temperature profile: implications for CO2 transportation in subsea pipeline. Gas science and engineering [online], 116, article number 205048. Available from: https://doi.org/10.1016/j.jgsce.2023.205048

The continuous flow assurance in subsea gas pipelines relies heavily on the assessment of temperature profile during hydrate sloughing and pipewall shedding caused by hydrates, with similar implications for carbon dioxide (CO2) transportation under h... Read More about Computational fluid dynamics simulation of natural gas hydrate sloughing and pipewall shedding temperature profile: implications for CO2 transportation in subsea pipeline..

The impact of ice formation on vertical axis wind turbine performance and aerodynamics. (2023)
Journal Article
GERRIE, S., ISLAM, S.Z., GERRIE, C., DROUBI, G. and ASIM, T. 2023. The impact of ice formation on vertical axis wind turbine performance and aerodynamics. Wind [online], 3(1), pages 16-24. Available from: https://doi.org/10.3390/wind3010003

This study investigated the impact of ice formation on the performance and aerodynamics of a vertical axis wind turbine (VAWT). This is an area that is becoming more prevalent as VAWTs are installed alongside horizontal axis wind turbines (HAWTs) in... Read More about The impact of ice formation on vertical axis wind turbine performance and aerodynamics..

3D CFD modelling of performance of a vertical axis turbine. (2023)
Journal Article
GERRIE, C., ISLAM, S.Z., GERRIE, S., TURNER, N. and ASIM, T. 2023. 3D CFD modelling of performance of a vertical axis turbine. Energies [online], 16(3), article 1144. Available from: https://doi.org/10.3390/en16031144

Recently, wind turbine research has switched focus to vertical axis wind turbines due to the extensive research that has been performed on horizontal axis wind turbines and the potential of vertical axis wind turbines in built-up areas. This study ai... Read More about 3D CFD modelling of performance of a vertical axis turbine..

An improved computational fluid dynamics (CFD) model for predicting hydrate deposition rate and wall shear stress in offshore gas-dominated pipeline. (2022)
Journal Article
UMUTEME, O.M., ISLAM, S.Z., HOSSAIN, M. and KARNIK, A. 2022. An improved computational fluid dynamics (CFD) model for predicting hydrate deposition rate and wall shear stress in offshore gas-dominated pipeline. Journal of natural gas science and engineering [online], 107, article 104800. Available from: https://doi.org/10.1016/j.jngse.2022.104800

Gas hydrates in pipelines is still a flow assurance problem in the oil and gas industry, and requires a proactive hydrate plugging risk predicting model. As an active area of research, this work has developed a 3D 10m length by 0.0204m diameter horiz... Read More about An improved computational fluid dynamics (CFD) model for predicting hydrate deposition rate and wall shear stress in offshore gas-dominated pipeline..

Investigation of the effects of pipe diameter of internal multiphase flow on pipe elbow vibration and resonance. (2022)
Journal Article
ASIEGBU, N.M., HOSSAIN, M., DROUBI, G.M. and ISLAM, S.Z. 2023. Investigation of the effects of pipe diameter of internal multiphase flow on pipe elbow vibration and resonance. Proceedings of the Institution of Mechanical Engineers, part E: journal of process mechanical engineering [online], 237(4), pages 1319-1330. Available from: https://doi.org/10.1177/09544089221115520

Computational fluid dynamics modelling of internal two-phase flow induced transient forces at 90° elbows have been carried out to evaluate the effect of pipe diameter on the characteristics of multiphase flow induced vibration. Simulations of two-pha... Read More about Investigation of the effects of pipe diameter of internal multiphase flow on pipe elbow vibration and resonance..

A review of recent advancements in offshore wind turbine technology. (2022)
Journal Article
ASIM, T., ISLAM, S.Z., HEMMATI, A. and KHALID, M.S.U. 2022. A review of recent advancements in offshore wind turbine technology. Energies [online], 15(2), article 579. Available from: https://doi.org/10.3390/en15020579

Offshore wind turbines are becoming increasingly popular due to their higher wind energy harnessing capabilities and lower visual pollution. Researchers around the globe have been reporting significant scientific advancements in offshore wind turbine... Read More about A review of recent advancements in offshore wind turbine technology..

Effects of damaged rotor on wake dynamics of vertical axis wind turbines. (2021)
Journal Article
ASIM, T. and ISLAM, S.Z. 2021. Effects of damaged rotor on wake dynamics of vertical axis wind turbines. Energies [online], 14(21), article 7060. Available from: https://doi.org/10.3390/en14217060

Vertical Axis Wind Turbines (VAWTs) are omni-directional turbomachines commonly used in rural areas for small-to-medium-scale power generation. The complex flow observed in the wake region of VAWTs is affected by a number of factors, such as rotor bl... Read More about Effects of damaged rotor on wake dynamics of vertical axis wind turbines..

Computational fluid dynamics modelling to design and optimise power kites for renewable power generation. (2020)
Journal Article
PEGG, C., SURI, Y., ISLAM, S.Z., ASTHANA, A. and HOSSAIN, M. 2020. Computational fluid dynamics modelling to design and optimise power kites for renewable power generation. International journal of design engineering [online], 9(2): energy and sustainable futures, pages 81-100. Available from: https://doi.org/10.1504/IJDE.2020.113057

Power kites provide the potential rewards of obtaining the disused energy supply from high altitude wind. This paper aims to provide a design of power kite and optimise the potential for renewable power generation. The power kite was modelled using c... Read More about Computational fluid dynamics modelling to design and optimise power kites for renewable power generation..

Effect of fracture roughness on the hydrodynamics of proppant transport in hydraulic fractures. (2020)
Journal Article
SURI, Y. ISLAM, S.Z. and HOSSAIN, M. 2020. Effect of fracture roughness on the hydrodynamics of proppant transport in hydraulic fractures. Journal of natural gas science and engineering [online], 80, article ID 103401. Available from: https://doi.org/10.1016/j.jngse.2020.103401

The effect of fracture roughness is investigated on proppant transport in hydraulic fractures using Joint Roughness Coefficient and a three-dimensional multiphase modelling approach. The equations governing the proppant transport physics in the fract... Read More about Effect of fracture roughness on the hydrodynamics of proppant transport in hydraulic fractures..

Proppant transport in dynamically propagating hydraulic fractures using CFD-XFEM approach. (2020)
Journal Article
SURI, Y., ISLAM, S.Z. and HOSSAIN, M. 2020. Proppant transport in dynamically propagating hydraulic fractures using CFD-XFEM approach. International journal of rock mechanics and mining sciences [online], 131, article ID 104356. Available from: https://doi.org/10.1016/j.ijrmms.2020.104356

Numerically modelling the fluid flow with proppant transport and fracture propagation together are one of the significant technical challenges in hydraulic fracturing of unconventional hydrocarbon reservoirs. The existing models either model the prop... Read More about Proppant transport in dynamically propagating hydraulic fractures using CFD-XFEM approach..

Numerical modelling of proppant transport in hydraulic fractures. (2020)
Journal Article
SURI, Y., ISLAM, S.Z. and HOSSAIN, M. 2020. Numerical modelling of proppant transport in hydraulic fractures. Fluid dynamics and materials processing [online], 16(2), pages 297-337. Available from: https://doi.org/10.32604/fdmp.2020.08421

The distribution of proppant injected in hydraulic fractures significantly affects the fracture conductivity and well performance. The proppant transport in thin fracturing fluid used during hydraulic fracturing in the unconventional reservoirs is co... Read More about Numerical modelling of proppant transport in hydraulic fractures..

Numerical fluid flow modelling in multiple fractured porous reservoirs. (2020)
Journal Article
SURI, Y., ISLAM, S.Z., STEPHEN, K., DONALD, C., THOMPSON, M., DROUBI, M.G. and HOSSAIN, M. 2020. Numerical fluid flow modelling in multiple fractured porous reservoirs. Fluid dynamics and materials processing [online], 16(2), pages 245-266. Available from: https://doi.org/10.32604/fdmp.2020.06505

This paper compares the fluid flow phenomena occurring within a fractured reservoir for three different fracture models using computational fluid dynamics. The effect of the fracture-matrix interface condition is studied on the pressure and velocity... Read More about Numerical fluid flow modelling in multiple fractured porous reservoirs..

Investigation of slug-churn flow induced transient excitation forces at pipe bend. (2019)
Journal Article
HOSSAIN, M., CHINENYE-KANU, N.M., DROUBI, G.M. and ISLAM, S.Z. 2019. Investigation of slug-churn flow induced transient excitation forces at pipe bend. Journal of fluids and structures [online], 91, article ID 102733. Available from: https://doi.org/10.1016/j.jfluidstructs.2019.102733

Numerical simulations of two-phase flow induced fluctuating forces at a pipe bend have been carried out to study the characteristics of multiphase flow induced vibration (FIV). The multiphase flow patterns and turbulence were modelled using the volum... Read More about Investigation of slug-churn flow induced transient excitation forces at pipe bend..

A new CFD approach for proppant transport in unconventional hydraulic fractures. (2019)
Journal Article
SURI, Y., ISLAM, S.Z. and HOSSAIN, M. 2019. A new CFD approach for proppant transport in unconventional hydraulic fractures. Journal of natural gas science and engineering [online], 70, article number 102951. Available from: https://doi.org/10.1016/j.jngse.2019.102951

For hydraulic fracturing design in unconventional reservoirs, the existing proppant transport models ignore the fluid leak-off effect from the fracture side wall and the effect of fracture roughness. In this paper, a model is proposed using three-dim... Read More about A new CFD approach for proppant transport in unconventional hydraulic fractures..

Computational fluid dynamics study of yield power law drilling fluid flow through smooth-walled fractures. (2019)
Journal Article
AHAMMAD, F., MAHMUD, S. and ISLAM, S.Z. 2019. Computational fluid dynamics study of yield power law drilling fluid flow through smooth-walled fractures. Journal of petroleum exploration and production technology [online], 9(4), pages 2717-2727. Available from: https://doi.org/10.1007/s13202-019-0646-5

Presence of natural fractures in sub-surface makes an oil well drilling operation very challenging. As one of the major functions of drilling mud is to maintain bottomhole pressure inside a wellbore to avoid any invasion of unwanted high-pressure inf... Read More about Computational fluid dynamics study of yield power law drilling fluid flow through smooth-walled fractures..