Skip to main content

Research Repository

Advanced Search

All Outputs (95)

Effects of externally applied stress on multiphase flow characteristics in naturally fractured tight reservoirs. (2024)
Journal Article
HAWEZ, H.K. and ASIM, T. 2024. Effects of externally applied stress on multiphase flow characteristics in naturally fractured tight reservoirs. Applied sciences [online], 14(18), article number 8540. Available from: https://doi.org/10.3390/app14188540

Externally applied stress on the rock matrix plays a crucial role in oil recovery from naturally fractured tight reservoirs, as local variations in pore pressure and in-situ tension are expected. The published literature severely lacks in evaluations... Read More about Effects of externally applied stress on multiphase flow characteristics in naturally fractured tight reservoirs..

A fully coupled model for predicting geomechanical and multiphase flow behaviour in fractured rocks. (2024)
Journal Article
HAWEZ, H.K., ASIM, T. and FAZIO, M. 2024. A fully coupled model for predicting geomechanical and multiphase flow behaviour in fractured rocks. Unconventional resources [online], 4, article number 100105. Available from: https://doi.org/10.1016/j.uncres.2024.100105

Geomechanical and multiphase flow characteristics are essential in recovering oil from naturally fractured rocks during hydrocarbon production because of changes in pore pressure and tension within the rock. It is a well-established fact that the geo... Read More about A fully coupled model for predicting geomechanical and multiphase flow behaviour in fractured rocks..

Startup dynamics of drag-based multibladed vertical axis wind turbine. (2024)
Presentation / Conference Contribution
ASIM, T. and OSAME, P. 2024. Startup dynamics of drag-based mulibladed vertical axis wind turbine. Engineering proceedings [online], 71(1): proceedings of the 4th Annual solar and wind power conference 2024 (ASWEC 2024): next generation of energy solution, 5 June 2024, [virtual conference], article number 5. Available from: https://doi.org/10.3390/engproc2024071005

A multibladed drag-based Vertical Axis Wind Turbine (VAWT) was developed and its startup dynamics evaluated using wind tunnel tests. The experimental data obtained for the time-based angular position of the rotor shaft at Aberdeen's average wind spee... Read More about Startup dynamics of drag-based multibladed vertical axis wind turbine..

Recent developments in hydrocyclone technology for oil-in-water separation from produced water. (2024)
Journal Article
EKECHUKWU, O.M., ASIM, T. and HAWEZ, H.K. 2024. Recent developments in hydrocyclone technology for oil-in-water separation from produced water. Energies [online], 17(13), article number 3181. Available from: https://doi.org/10.3390/en17133181

The treatment of produced water is a major challenge faced by oil and gas industries worldwide. As a result of the increase in industrial activities, the generation of produced water has increased significantly. The most commonly used method for prod... Read More about Recent developments in hydrocyclone technology for oil-in-water separation from produced water..

Effects of CO2 geosequestration on opalinus clay. (2024)
Journal Article
ASIM, T. and HAWEZ, H.K. 2024. Effects of CO2 geosequestration on opalinus clay. Energies [online], 17(10), article number 2431. Available from: https://doi.org/10.3390/en17102431

CO2 geosequestration is an important contributor to United Nations Sustainable Development Goal 13, i.e., Climate Action, which states a global Net-Zero CO2 emissions by 2050. A potential impact of CO2 geosequestration in depleted oil and gas reservo... Read More about Effects of CO2 geosequestration on opalinus clay..

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..

Impact of regional pressure dissipation on carbon capture and storage projects: a comprehensive review. (2024)
Journal Article
HAWEZ, H.K. and ASIM, T. 2024. Impact of regional pressure dissipation on carbon capture and storage projects: a comprehensive review. Energies [online], 17(8), article number 1889. Available from: https://doi.org/10.3390/en17081889

Carbon capture and storage (CCS) is a critical technology for mitigating greenhouse gas emissions and combating climate change. CCS involves capturing CO2 emissions from industrial processes and power plants and injecting them deep underground for lo... Read More about Impact of regional pressure dissipation on carbon capture and storage projects: a comprehensive review..

Experimental investigations on the thermal characteristics of domestic convectors. (2024)
Journal Article
GIBB, D., OLIPHANT, J., MCINTOSH, R.G., ASIM, T. and KARNIK, A. 2024. Experimental investigations on the thermal characteristics of domestic convectors. Energies [online], 17(5), article number 1017. Available from: https://doi.org/10.3390/en17051017

Better understanding of local thermal characteristics of domestic convectors could play a crucial role in reducing energy consumption for space heating and decarbonizing the economy. The current study evaluates the impact of varying water inlet tempe... Read More about Experimental investigations on the thermal characteristics of domestic convectors..

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..

Numerical investigation of blade roughness impact on the aerodynamic performance and wake behavior of horizontal axis wind turbine. (2023)
Journal Article
MIAN, H.H., SIDDIQUI, M.S., YANG, L., KVAMSDAL, T. and ASIM, T. 2023. Numerical investigation of blade roughness impact on the aerodynamic performance and wake behavior of horizontal axis wind turbine. 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 012073. Available from: https://doi.org/10.1088/1742-6596/2626/1/012073

The prolonged operation of wind turbines in harsh offshore environments leads to deterioration and roughness accumulation on the blade surface. This roughness, particularly on the leading edge and other surfaces, can affect the laminar-to-turbulent t... Read More about Numerical investigation of blade roughness impact on the aerodynamic performance and wake behavior of horizontal axis wind turbine..

Design of a novel α-shaped flue gas route flame incinerator for the treatment of municipal waste materials. (2023)
Journal Article
LIU, X., ZHU, G., ASIM, T. and MISHRA, R. 2024. Design of a novel α-shaped flue gas route flame incinerator for the treatment of municipal waste materials. Waste and biomass valorization [online], 15(4), pages 2483-2498. Available from: https://doi.org/10.1007/s12649-023-02291-5

In order to improve the combustion characteristics of municipal waste materials and reduce excess pollutants generated during the incineration process, this study develops a novel waste incinerator with an α-shaped flue gas route. This has been achie... Read More about Design of a novel α-shaped flue gas route flame incinerator for the treatment of municipal waste materials..

Hydrodynamic characterisation of fire sprinkler system of a passenger railroad car. (2023)
Journal Article
CRAIG, M., YOUNAS, M. and ASIM, T. 2023. Hydrodynamic characterisation of fire sprinkler system of a passenger railroad car. International journal of condition monitoring and diagnostic engineering management (COMADEM) [online], 26(3), pages 15-23. Available from: https://apscience.org/comadem/index.php/comadem/article/view/403

Fire safety is one of the major concerns in the public transport and thus passenger trains in the UK seek continuous improvement in passenger safety and comfort. In order to combat fire, there is a legal requirement in most countries across the globa... Read More about Hydrodynamic characterisation of fire sprinkler system of a passenger railroad car..

Stability of viscous lubricated thin film down an inclined plane beneath ambient lighter non miscible static liquid. (2023)
Journal Article
MASKONI, A., LATRACHE, N., KHOSHKONESH, A., ASIM, T., POLIDORI, G., MISHRA, R. and NSOM, B. 2023. Stability of viscous lubricated thin film down an inclined plane beneath ambient lighter non miscible static liquid. International journal of condition monitoring and diagnostic engineering management (COMADEM) [online], 26(1), pages 5-12. Available from: https://apscience.org/comadem/index.php/comadem/article/view/353

This paper considers the stability of a thin film propagating beneath a large quantity of ambient static non miscible lighter liquid and over a sloping plane. Such configuration that has never been considered earlier can model the spill of a heavy hy... Read More about Stability of viscous lubricated thin film down an inclined plane beneath ambient lighter non miscible static liquid..

Coupled geomechanics and transient multiphase flow at fracture-matrix interface in tight reservoirs. (2023)
Thesis
KUKHA HAWEZ, H.R. 2023. Coupled geomechanics and transient multiphase flow at fracture-matrix interface in tight reservoirs. Robert Gordon University, PhD thesis. Hosted on OpenAIR [online]. Available from: https://doi.org/10.48526/rgu-wt-1987869

Fractured hydrocarbon reservoirs play a significant role in the world economy and energy markets. Fluid injection (normally water) forces the hydrocarbons out of the reservoirs. Geomechanics, externally applied stress on the rock, play a significant... Read More about Coupled geomechanics and transient multiphase flow at fracture-matrix interface in tight reservoirs..

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..

Characteristics of gas transport through inorganic ceramic membranes as porous media using air and nitrogen. (2022)
Presentation / Conference Contribution
IGBAGARA, W., HASHM, I.A., AISUENI, F., OGUNLUDE, P., RAMALAN, M., OGOUN, E., ASIM, T. and GOBINA, E. 2022. Characteristics of gas transport through inorganic ceramic membranes as porous media using air and nitrogen. In Proceedings of the 2nd International congress on scientific advances 2022 (ICONSAD'22), 21-24 December 2022, [virtual conference]. Turkey: ICONSAD [online], pages 417-425. Available from: https://en.iconsad.org/_files/ugd/1dd905_c45aeddf416d497e93113f00f465739b.pdf

Permeation experiments have been conducted using porous ceramic membranes having different pore sizes of 200nm and 6000nm respectively. Air and N2 gases were used as the characterizing fluids and experiments were carried out at temperatures of 20 C,... Read More about Characteristics of gas transport through inorganic ceramic membranes as porous media using air and nitrogen..

Numerical prediction of the effect of thermal plume of a standing human on the airborne aerosol flow in a room: assessment of the social distancing rule. (2022)
Journal Article
HOSSAIN, M., CHINENYE-KANU, N., FAISAL, N.H., PRATHURU, A., ASIM, T. and BANIK, S. 2023. Numerical prediction of the effect of thermal plume of a standing human on the airborne aerosol flow in a room: assessment of the social distancing rule. Aerosol science and engineering [online], 7(1), pages 96-106. Available from: https://doi.org/https://doi.org/10.1007/s41810-022-00165-2

The purpose of the study is to investigate the dispersion of droplet nuclei/aerosol which are produced during coughing and continuous talking to quantify the risk of infection due to airborne disease transmission. A three-dimensional modelling of aer... Read More about Numerical prediction of the effect of thermal plume of a standing human on the airborne aerosol flow in a room: assessment of the social distancing rule..

Effect of stator blades on the startup dynamics of a vertical axis wind turbine. (2022)
Journal Article
ASIM, T., SINGH, D., SIDDIQUI, M.S. and MCGLINCHEY, D. 2022. Effect of stator blades on the startup dynamics of a vertical axis wind turbine. Energies [online], 15(21), 8135. Available from: https://doi.org/10.3390/en15218135

Vertical Axis Wind Turbines (VAWTs) are omni-directional, low-cost, low-efficiency wind power extractors. A conventional drag-based VAWT consists of multiple thin rotor blades with a typical peak Tip Speed Ratio (λ) of less than 1. Their lower cut-in... Read More about Effect of stator blades on the startup dynamics of a vertical axis wind turbine..

Combustion characterization of hybrid methane-hydrogen gas in domestic swirl stoves. (2022)
Journal Article
LIU, X., ZHU, G., ASIM, T. and MISHRA, R. 2022. Combustion characterization of hybrid methane-hydrogen gas in domestic swirl stoves. Fuel [online], 333(Part 2), article 126413. Available from: https://doi.org/10.1016/j.fuel.2022.126413

Combustion of hybrid natural gas (methane) and hydrogen mixture in domestic swirl stoves has been characterized using hot-state experiments and numerical analysis. The detailed combustion mechanism of methane and hydrogen (GRI-Mech 3.0) has been simp... Read More about Combustion characterization of hybrid methane-hydrogen gas in domestic swirl stoves..