Prof Ghasem Nasr's Outputs (73)

Well injectivity management during geological carbon sequestration activity (2016)
Journal Article
Beinashor, R., Nourian, A., Nasr, G., & Abbas, A. (2016). Well injectivity management during geological carbon sequestration activity. Journal of petroleum engineering & technology (Online), 6(3), 32-43. https://doi.org/10.37591/jopet.v6i3.1924

It is well known that the saline aquifer formations are considered very reliable candidates for carbon sequestration because of their wide availability and they have good storage capacity. Due to high formation salinity, there a big concern about bor... Read More about Well injectivity management during geological carbon sequestration activity.

Stationary rotary force waves on the liquid–air core interface of a swirl atomizer (2015)
Journal Article
Chinn, J., Cooper, D., Yule, A., & Nasr, G. (2016). Stationary rotary force waves on the liquid–air core interface of a swirl atomizer. Heat and Mass Transfer, 52(10), 2037-2050. https://doi.org/10.1007/s00231-015-1706-0

A one-dimensional wave equation, applicable to the waves on the surface of the air-core of a swirl atomizer is derived analytically, by analogy to the similar one-dimensional wave equation derivation for shallowwater gravity waves. In addition an ana... Read More about Stationary rotary force waves on the liquid–air core interface of a swirl atomizer.

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.

Novel metered aerosol valve (2015)
Journal Article
Nourian, A., Nasr, G., Yule, A., Hawthorne, G., & Goldberg, T. (2016). Novel metered aerosol valve. Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 230(10), 1557-1568. https://doi.org/10.1177/0954406215572839

The design and performance of a new valving mechanism for portable pressurized spraying devices is described, where
the propellant in the device is a safe gas (so-called compressed gas) propellant rather than the current liquefied gases all
of whic... Read More about Novel metered aerosol valve.

Optimization of multi-zone unconventional (shale) gas reservoir using hydraulic fracturing technique (2015)
Journal Article
Amadi, F., Enyi, G., & Nasr, G. (2015). Optimization of multi-zone unconventional (shale) gas reservoir using hydraulic fracturing technique

Hydraulic fracturing is one of the most important stimulation techniques available to the petroleum engineer to extract hydrocarbons in tight gas sandstones. It allows more oil and gas production in tight reservoirs as compared to conventional means.... Read More about Optimization of multi-zone unconventional (shale) gas reservoir using hydraulic fracturing technique.

Integration of Nano CT and SEM in study of Marcellus Shale Heterogeneity (2015)
Journal Article
Amadi, F., Enyi, G., & Nasr, G. (2015). Integration of Nano CT and SEM in study of Marcellus Shale Heterogeneity. Journal of petroleum engineering & technology (Online), 5(3), 39-51

The increase in exploration and production in Shale gas reservoir, and few studies so far reported regarding the general topology of tight reservoir, it is now imperative to critically understand the complexities surrounding the geology of Shale rese... Read More about Integration of Nano CT and SEM in study of Marcellus Shale Heterogeneity.

Compressed gas domestic aerosol valve design using high viscous product (2014)
Journal Article
Nourian, A., Nasr, G., Pillai, D., & Waters, M. (2014). Compressed gas domestic aerosol valve design using high viscous product. International Journal of Multiphysics, 8(4), 437-460. https://doi.org/10.1260/1750-9548.8.4.437

Most of the current universal consumer aerosol products using high
viscous product such as cooking oil, antiperspirants, hair removal cream
are primarily used LPG (Liquefied Petroleum Gas) propellant which is
unfriendly environmental. The advantag... Read More about Compressed gas domestic aerosol valve design using high viscous product.

Next generation of consumer aerosol valve design using inert gases (2014)
Journal Article
Nourian, A., Nasr, G., Yule, A., Goldberg, T., & Tulloch, G. (2015). Next generation of consumer aerosol valve design using inert gases. Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 229(16), 2952-5976. https://doi.org/10.1177/0954406214559998

The current global consumer aerosol products such as deodorants, hairsprays, air-fresheners, polish, insecticide, disinfectant
are primarily utilised unfriendly environmental propellant of liquefied petroleum gas (LPG) for over three decades.
The a... Read More about Next generation of consumer aerosol valve design using inert gases.

Novel aerosol insert design utilizing inert compressed gas (2014)
Journal Article
Burby, M., Nasr, G., Hawthorne, G., Asmuin, N., & Yule, A. (2014). Novel aerosol insert design utilizing inert compressed gas. Atomization and Sprays, 24(12), 1035-1063. https://doi.org/10.1615/AtomizSpr.2014007903

Household aerosols are self-contained handheld devices for spraying products such as air fresheners,
hairspray, surface cleaners, polishes, and deodorants. Industrial aerosols are similar devices for spraying:
cleaners, lubricants, paints, and adhe... Read More about Novel aerosol insert design utilizing inert compressed gas.

Natural gas engineering and safety challenges : downstream process, analysis, utilization and safety (2014)
Book
Nasr, G., & Connor, N. (2014). Natural gas engineering and safety challenges : downstream process, analysis, utilization and safety. Springer. https://doi.org/10.1007/978-3-319-08948-5

Provides a critical and extensive compilation of the downstream processes of natural gas that involve the principle of gas processing , transmission and distribution, gas flow and network analysis, instrumentation and measurement systems and its util... Read More about Natural gas engineering and safety challenges : downstream process, analysis, utilization and safety.

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.

A new fine spray, low flowrate, spill-return swirl atomizer (2011)
Journal Article
Nasr, G., Yule, A., Stewart, J., Whitehead, A., & Hughes, T. (2011). A new fine spray, low flowrate, spill-return swirl atomizer. Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 225(4), 897-908. https://doi.org/10.1243/09544062JMES2675

A novel high liquid pressure fine spray swirl atomizer has been developed, which
incorporates a spill-return orifice into the rear face of the swirl chamber with the aim of giving
a significant reduction in flowrate while maintaining the droplet si... Read More about A new fine spray, low flowrate, spill-return swirl atomizer.

Investigation into descaling of production tubing in oil and gas wells (2011)
Thesis
El Kamkhi, M. Investigation into descaling of production tubing in oil and gas wells. (Thesis). Salford : University of Salford,

One of the most common production problems in oil and gas fields is scale deposition within oil and gas wellbores. Scale formation in surface and subsurface oil and gas production equipment has been recognised to be a major operational problem. The e... Read More about Investigation into descaling of production tubing in oil and gas wells.

Investigation into the design and development of a disinfection system utilising a novel spill-return atomiser (SRA) (2011)
Thesis
Stewart, J. Investigation into the design and development of a disinfection system utilising a novel spill-return atomiser (SRA). (Thesis). Salford : University of Salford

A novel mobile fine spray unit, utilising a Spill-Return Atomiser® (SRA) has been
designed and developed for the purpose of decontamination within healthcare
environments. The unit is able to spray uniformly onto any given surface, providing 'mist... Read More about Investigation into the design and development of a disinfection system utilising a novel spill-return atomiser (SRA).

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.

Single-phase aerodynamic flow field validation of novel airblast atomizer designs (2010)
Journal Article
Burby, M., Nasr, G., Yule, A., & Morgan, L. (2010). Single-phase aerodynamic flow field validation of novel airblast atomizer designs. Atomization and Sprays, 20(7), 565-579. https://doi.org/10.1615/AtomizSpr.v20.i7.10

Airblast atomizers are used extensively in aero gas turbine engines. In the pursuit of reducing emissions and increasing fuel efficiency a novel airblast atomizer design is being developed that is capable of variable fuel-placement. Such a design wil... Read More about Single-phase aerodynamic flow field validation of novel airblast atomizer designs.

Assessment of emergency safety showers against proposed EU and ANSI standards (2008)
Journal Article
Burby, M., Nasr, G., Yule, A., & Hughes, T. (2008). Assessment of emergency safety showers against proposed EU and ANSI standards. International Journal of Multiphysics, 2(3), 565. https://doi.org/10.1260/175095408786927426

This investigation was carried out with the cooperation of a major international safety shower manufacturer, Hughes Safety Showers Ltd. The first part of this study was to characterise various commercial safety shower heads with regard to their spray... Read More about Assessment of emergency safety showers against proposed EU and ANSI standards.

Steady state high pressure spray cooling of high temperature steel surfaces (2007)
Journal Article
Sharief, R., Nasr, G., & Yule, A. (2007). Steady state high pressure spray cooling of high temperature steel surfaces. Atomization and Sprays, 17(2), 171-191. https://doi.org/10.1615/AtomizSpr.v17.i2.40

Water-spray cooling of heated surfaces is common in many industrial applications, notably steelmaking, because of its high heat dissipating ability. Quantitative information regarding the parameters affecting spray cooling is relatively scarce. The o... Read More about Steady state high pressure spray cooling of high temperature steel surfaces.

Characteristics of water droplet impaction behaviour on a polished steel heated surface: part I (2007)
Journal Article
Akhtar, S., Nasr, G., & Yule, A. (2007). Characteristics of water droplet impaction behaviour on a polished steel heated surface: part I. Atomization and Sprays, 17(8), 659-681. https://doi.org/10.1615/AtomizSpr.v17.i8.10

This paper, which is in two parts, presents the results and analysis of droplet impaction on a hot stainless steel surface. Part I of this study reports the results of analysis of high-speed visualizations of droplet impaction phenomena on a hot stai... Read More about Characteristics of water droplet impaction behaviour on a polished steel heated surface: part I.