All Outputs (20)

Qualitative investigating on the effect of fine water spray and its orientation in mitigating vapour cloud explosions (2021)
Presentation / Conference
Johnson, A., Nasr, G., Nourian, A., & Abba, M. (2021, August). Qualitative investigating on the effect of fine water spray and its orientation in mitigating vapour cloud explosions. Presented at ICLASS 2021, 15th Triennial International Conference on Liquid Atomization and Spray Systems, Edinburgh, UK

For past decades, various industries, such as oil and gas, have come to realisation that using water-based spraying systems, with fine very fine droplets should be the preferred option in mitigating and suppressing the thermal explosions. Previous st... Read More about Qualitative investigating on the effect of fine water spray and its orientation in mitigating vapour cloud explosions.

Effects of pressure decay on Non-Methane Volatile Organic Compounds (NMVOC) species distribution in domestic aerosol sprays with LPG propellants (2021)
Presentation / Conference
Abba, M., Naeem, Z., Nourian, A., & Nasr, G. (2021, August). Effects of pressure decay on Non-Methane Volatile Organic Compounds (NMVOC) species distribution in domestic aerosol sprays with LPG propellants. Presented at ICLASS 2021, 15th Triennial International Conference on Liquid Atomization and Spray Systems, Edinburgh, UK

Conventional aerosols sprays contain different Volatile Organic Compounds (VOC). These organic compounds have different properties and can have detrimental impact on air quality. This study investigated the spray performance and variation of the type... Read More about Effects of pressure decay on Non-Methane Volatile Organic Compounds (NMVOC) species distribution in domestic aerosol sprays with LPG propellants.

Flow characteristics through gas alternating gas injection during enhanced gas recovery (2019)
Presentation / Conference
Mohammed, N., Abbas, A., Enyi, G., & Nasr, G. (2019, October). Flow characteristics through gas alternating gas injection during enhanced gas recovery. Presented at SPE Gas & Oil Technology Showcase and Conference, Dubai, UAE

Gas and liquid flooding using carbon dioxide (CO2), nitrogen (N2), or brine solution have become one of the promising enhanced gas (EGR) and oil recovery (EOR) technologies for residual hydrocarbons (HCs) enhancement in conventional oil and gas reser... Read More about Flow characteristics through gas alternating gas injection during enhanced gas recovery.

Effects of gravity on flow behaviour of supercritical CO2 during enhanced gas recovery and sequestration (2018)
Presentation / Conference
Abba, M., Abbas, A., Saidu, B., Nasr, G., & Al-Otaibi, A. (2018, November). Effects of gravity on flow behaviour of supercritical CO2 during enhanced gas recovery and sequestration. Poster presented at Fifth CO2 Geological Storage Workshop, Utrecht, The Netherlands

A core flooding experiment was carried out to simulate an Enhanced Gas Recovery (EGR) process to inject supercritical Carbon Dioxide (SCO2) into a core sample saturated with methane (CH4). This was done to investigate the flow behaviour of the inject... Read More about Effects of gravity on flow behaviour of supercritical CO2 during enhanced gas recovery and sequestration.

Enhanced gas recovery by CO2 injection and sequestration : effects of temperature, vertical and horizontal orientations on dispersion coefficient (2018)
Presentation / Conference
Abba, M., Abbas, A., Nasr, G., & Al-Otaibi, A. (2018, November). Enhanced gas recovery by CO2 injection and sequestration : effects of temperature, vertical and horizontal orientations on dispersion coefficient. Presented at The Abu Dhabi International Petroleum Exhibition & Conference (ADIPEC), Abu Dhabi

Enhanced gas recovery (EGR) by CO2 injection and sequestration is receiving increased attention within the research community. This is as a result of its potential to be an avenue for the simultaneous additional recovery of natural gas from the reser... Read More about Enhanced gas recovery by CO2 injection and sequestration : effects of temperature, vertical and horizontal orientations on dispersion coefficient.

Enhanced gas recovery by CO2 injection and sequestration : effect of connate water salinity on displacement efficiency (2017)
Presentation / Conference
Abba, M., Abbas, A., & Nasr, G. (2017, November). Enhanced gas recovery by CO2 injection and sequestration : effect of connate water salinity on displacement efficiency. Poster presented at Abu Dhabi International Petroleum Exhibition and Conference, Abu Dhabi, UAE

As natural gas continues to gain widespread usage as a source of cleaner and efficient fossil fuel, while greenhouse gas emission is attracting environmental consequences, the need for a viable method to enhance gas recovery and curtail greenhouse ga... Read More about Enhanced gas recovery by CO2 injection and sequestration : effect of connate water salinity on displacement efficiency.

Particle emissions of a diesel car during real world urban driving (2017)
Presentation / Conference
Babaie, M., Deka, E., Ameri, R., Siteisamtinieri, S., Bodisco, T., Nourian, A., & Nasr, G. (2017, June). Particle emissions of a diesel car during real world urban driving. Poster presented at 2017 Cambridge Particle Meeting, Cambridge

Diesel engines are known to have good fuel economy that makes them to be the ideal source of power when it comes to mining, transportation, excavation, drilling and even for domestic use. The increase use of diesel engines has however introduced the... Read More about Particle emissions of a diesel car during real world urban driving.

The influence of temperature and pressure on surface tension and bubble diameter of methane (CH4) and Carbon dioxide (CO2) in water (2017)
Presentation / Conference
Yahaya, A., Enyi, G., Abbas, A., & Nasr, G. (2017, June). The influence of temperature and pressure on surface tension and bubble diameter of methane (CH4) and Carbon dioxide (CO2) in water. Presented at 6th International Conference on Petroleum Engineering, Spain

Surface tension is very important property in petroleum and gas operations. It provide an insight into the understanding most of multiphase fluids behaviour. In this experimental study, the surface tension of methane and carbon dioxide bubbles in a c... Read More about The influence of temperature and pressure on surface tension and bubble diameter of methane (CH4) and Carbon dioxide (CO2) in water.

Inhibition performance of mild steel corrosion in the presence of Co2, HAc and MEG (2016)
Presentation / Conference
Ikeh, L., Enyi, G., & Nasr, G. (2016, May). Inhibition performance of mild steel corrosion in the presence of Co2, HAc and MEG. Presented at SPE International Oilfield Corrosion Conference and Exhibition, Aberdeen, Scotland, UK

The formation of hydrate and scale deposition is a major challenge in the petroleum industry.To avoid corrosion and hydrate formation, monoethylene glycol (MEG) is been utilized in the pipeline as an antifreeze and anticorrosion agent. It has been ob... Read More about Inhibition performance of mild steel corrosion in the presence of Co2, HAc and MEG.

Impact pressure distribution in flat fan nozzles for descaling oil wells (2015)
Presentation / Conference
Abbas, A., Nasr, G., Nourian, A., & Enyi, G. (2015, August). Impact pressure distribution in flat fan nozzles for descaling oil wells. Presented at 13th Triennial International Conference on Liquid Atomization and Spray Systems, Tainan, Taiwan

The suitability of High pressure nozzles in terms of impact upon targeted surfaces has indicated its effectiveness for the cleaning of oil production tubing scale, which has recently attract wider industrial applications considering its efficiency,... Read More about Impact pressure distribution in flat fan nozzles for descaling oil wells.

Entrained air around a high pressure flat jet water spray (2013)
Presentation / Conference
Abbas, A., Nasr, G., Burby, M., & Nourian, A. (2013, May). Entrained air around a high pressure flat jet water spray. Presented at ILASS Americas 2013 - 25th annual conference on liquid atomization and spray systems, Pittsburgh, PA, United States of America

An investigation was conducted to analyse the pattern of entrained air around a high pressure flat spray water jet with emphasis on the determining inter-depency on droplet velocities, droplet size, and the air velocities around a flat jet atomiser.... Read More about Entrained air around a high pressure flat jet water spray.

Radial analysis of fine sprays using Phase Doppler Anemometry (PDA) (2010)
Presentation / Conference
Stewart, J., Nasr, G., Burby, M., & Nourian, A. (2010, September). Radial analysis of fine sprays using Phase Doppler Anemometry (PDA). Presented at ILASS - Europe 2010 23rd Annual Conference on Liquid Atomization and Spray Systems, Brno, Czech Republic

A mobile fine spray unit, utilising a Spill Return Atomiser (SRA) has been developed for the purpose of decontamination within healthcare environments. The unit must be able to spray uniformly onto any given surface, providing ‘mist like’ coverage.... Read More about Radial analysis of fine sprays using Phase Doppler Anemometry (PDA).

High pressure overlapping flat sprays nozzles (2010)
Presentation / Conference
El Kamkhi, M., Nasr, G., Burby, M., & Nourian, A. (2010, September). High pressure overlapping flat sprays nozzles. Presented at ILASS - Europe 2010 23rd Annual Conference on Liquid Atomization and Spray Systems, Brno, Czech Republic

Descaling of oil and gas well pipes has proved to be a major problem to oil and gas companies, as scale formation significantly reduces well productivity and costs the industry millions of pounds a year. Current scale removal methods involve the us... Read More about High pressure overlapping flat sprays nozzles.

Fine spray behaviour upon impaction of varied material surfaces
Presentation / Conference
Stewart, J., Nasr, G., Burby, M., & Nourian, A. Fine spray behaviour upon impaction of varied material surfaces. Presented at ILASS Americas 2010 - 22nd annual conference on liquid atomization and spray systems, Cincinnati, Ohio

A mobile fine spray unit, utilising a spill-return atomiser has been developed for the purpose of decontamination within healthcare environments. The unit must be able to spray uniformly onto any given surface, providing ‘mist like’ coverage. Any s... Read More about Fine spray behaviour upon impaction of varied material surfaces.

Fine sprays for coating and decontamination in the healthcare environments
Presentation / Conference
Nasr, G., Burby, M., Nourian, A., & Nagib, M. Fine sprays for coating and decontamination in the healthcare environments. Presented at ILASS 2011 - the 24th European Conference on Liquid Atomization and Spray Systems, Estoril, Portugal

A spray unit has been developed for the purpose of coating and decontamination within healthcare environments. The unit provides uniform spray coverage onto a given surface, in absence of streaking patternations. This investigation used four exempla... Read More about Fine sprays for coating and decontamination in the healthcare environments.

Effect of swirl chamber on uniform spray coating of surfaces using Spill-Return Atomiser (SRA)
Presentation / Conference
Burby, M., Nasr, G., Nourian, A., & Stewart, J. Effect of swirl chamber on uniform spray coating of surfaces using Spill-Return Atomiser (SRA). Presented at ILASS Americas 2011 - 23rd annual conference on liquid atomization and spray systems, Ventura, California, United States of America

The atomisation of liquid disinfectants is an efficient means of delivering disinfectant agents within the healthcare environment; a Spill-Return Swirl Atomiser (SRA) with a long swirl chamber was designed for this purpose. The control of spray chara... Read More about Effect of swirl chamber on uniform spray coating of surfaces using Spill-Return Atomiser (SRA).

Characterising high pressure overlapping sprays using Phase Doppler Anemometry (PDA)
Presentation / Conference
Nourian, A., Burby, M., El Kamkhi, M., & Nasr, G. Characterising high pressure overlapping sprays using Phase Doppler Anemometry (PDA). Presented at ILASS Americas 2011 - 23rd annual conference on liquid atomization and spray systems, Ventura, California, United States of America

The high pressure overlapping flat spray atomiser are used for removing scale deposition and the blockage that normally experienced in the well bore of oil and gas production tubing. This method provides significant advantages over current scale remo... Read More about Characterising high pressure overlapping sprays using Phase Doppler Anemometry (PDA).

Spray coating in health environment
Presentation / Conference
Burby, M., Nasr, G., Nourian, A., & Stewart, J. Spray coating in health environment. Presented at ILASS Americas 2012 - 24th annual conference on liquid atomization and spray systems, San Antonio, Texas, United States of America

The effective use of disinfectants on surfaces, therefore, within the health care environment constitutes an important factor in preventing Hospital Acquired Infections (HAIs). For surface disinfection processes in hospitals the open bucket and close... Read More about Spray coating in health environment.

Removal of scales in petroleum production tubing utilising high pressure atomisers
Presentation / Conference
Enyi, G., Nasr, G., Nourian, A., El Kamkhi, M., & Burby, M. Removal of scales in petroleum production tubing utilising high pressure atomisers. Presented at ICLASS 2012, 12th Triennial International Conference on Liquid Atomization and Spray Systems, Heidelberg, Germany

Scale is a mineral deposit usually formed on surfaces in contact with water. Scale deposition in petroleum production wells can be attributed to mixing of incompatible waters, changes in thermodynamic, kinetic and hydrodynamic conditions in oilfiel... Read More about Removal of scales in petroleum production tubing utilising high pressure atomisers.

Integrated leak detection in gas pipelines using OLGA simulator and artificial neural networks
Presentation / Conference
Afebu, K., Abbas, A., Nasr, G., & Kadir, A. Integrated leak detection in gas pipelines using OLGA simulator and artificial neural networks. Presented at Abu Dhabi International Petroleum Exhibition and Conference, Abu Dhabi, UAE

Gas pipeline leakages do not only represent loss of valuable non-renewable resources but also a potential source of environmental pollution and fire disaster, thus making it very important to have a quick and accurate leak awareness scheme in pipelin... Read More about Integrated leak detection in gas pipelines using OLGA simulator and artificial neural networks.