All Outputs (43)

Impact pressure distribution in flat fan nozzles for descaling oil wells (2016)
Journal Article
Abbas, A., Nasr, G., Nourian, A., & Enyi, G. (2016). Impact pressure distribution in flat fan nozzles for descaling oil wells. Journal of Energy and Power Engineering, 10(6), 352-357. https://doi.org/10.17265/1934-8975/2016.06.003

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 attracted wider industrial applications considering its efficiency... Read More about Impact pressure distribution in flat fan nozzles for descaling oil wells.

Gas lift optimization using smart gas lift valve (2016)
Journal Article
Abdalsadig, M., Nourian, A., Nasr, G., & Babaie, M. (2016). Gas lift optimization using smart gas lift valve. https://doi.org/10.5281/zenodo.1125185

Gas lift is one of the most common forms of artificial lift, particularly for offshore wells because of its relative down hole simplicity, flexibility, reliability, and ability to operate over a large range of rates and occupy very little space at th... Read More about Gas lift optimization using smart gas lift valve.

Utilization of egg yolk as a non-toxic emulsifier in environmentally friendly invert emulsion drilling mud (2016)
Journal Article
Ihenacho, P., Burby, M., Nasr, G., & Enyi, G. (2016). Utilization of egg yolk as a non-toxic emulsifier in environmentally friendly invert emulsion drilling mud. Journal of petroleum engineering & technology (Online), 6(1),

Vegetable oil such as Jatropha has been shown to be a comparable alternative to diesel and mineral oils for environmentally friendly oil based drilling mud. However compatibility of the vegetable oils with the usual chemical additives is still a majo... Read More about Utilization of egg yolk as a non-toxic emulsifier in environmentally friendly invert emulsion drilling mud.

Gas lift optimization to improve well performance (2016)
Journal Article
Abdalsadig, M., Nourian, A., Nasr, G., & Babaie, M. (2016). Gas lift optimization to improve well performance

Gas lift optimization is becoming more important now a day in petroleum industry. A proper lift optimization can reduce the operating cost, increase the net present value (NPV) and maximize the recovery from the asset. A widely accepted definition of... Read More about Gas lift optimization to improve well performance.

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.

Real-time gas lift valve to enhance well performance (2016)
Journal Article
Abdalsadig, M., Nourian, A., Nasr, G., & Babaie, M. (2016). Real-time gas lift valve to enhance well performance. Journal of petroleum engineering & technology (Online), 6(2), 1-10. https://doi.org/10.37591/jopet.v6i2.1898

Optimum production from a gas lift well mainly depends on proper injection gas quantity; injection pressure and depth of injection and gas lift valve performance. The quality of down hole gas lift valves plays a crucial role in achieving maximum effi... Read More about Real-time gas lift valve to enhance well performance.

The effects of dissolved Sodium Chloride (NaCl) on well injectivity during CO2 storage into saline aquifers (2016)
Journal Article
Beinashor, R., Nourian, A., Nasr, G., & Enyi, G. (2016). The effects of dissolved Sodium Chloride (NaCl) on well injectivity during CO2 storage into saline aquifers. Journal of petroleum engineering & technology (Online), 6(2),

Saline aquifer formations seem to be promising candidates for carbon dioxide (CO2) storage due to their wide availability as well they have large storage capacity. Once CO2 is injected into saline aquifer variety of processes will take place, among o... Read More about The effects of dissolved Sodium Chloride (NaCl) on well injectivity during CO2 storage into saline aquifers.

Experimental investigation of the impact of biosurfactants on residual-oil recovery (2016)
Journal Article
Ukwungwu, S., Abbas, A., & Nasr, G. (2016). Experimental investigation of the impact of biosurfactants on residual-oil recovery

The increasing high price of natural gas and oil with attendant increase in energy demand on world markets in recent years has stimulated interest in recovering residual oil saturation across the globe. In order to meet the energy security, effort... Read More about Experimental investigation of the impact of biosurfactants on residual-oil recovery.

50/50 oil-water ratio invert emulsion drilling mud using vegetable oil as continuous phase (2016)
Journal Article
Ihenacho, P., Burby, M., Nasr, G., & Enyi, G. (2016). 50/50 oil-water ratio invert emulsion drilling mud using vegetable oil as continuous phase

Formulation of a low oil-water ratio drilling mud with vegetable oil continuous phase without adversely affecting the mud rheology and stability has been a major challenge. A low oil-water ratio is beneficial in producing low fluid loss which is esse... Read More about 50/50 oil-water ratio invert emulsion drilling mud using vegetable oil as continuous phase.

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.

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.

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.

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.

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.

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.

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.