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Experimental and numerical investigation of Helmholtz resonators and perforated liners as attenuation devices in industrial gas turbine combustors (2014)
Journal Article
Houston, B., Wang, J., Qin, Q., & Rubini, P. (2015). Experimental and numerical investigation of Helmholtz resonators and perforated liners as attenuation devices in industrial gas turbine combustors. Fuel, 151, 31-39. https://doi.org/10.1016/j.fuel.2014.12.001

This paper reports upon developments in the simulation of the passive control of combustion dynamics in industrial gas turbines using acoustic attenuation devices such as Helmholtz resonators and perforated liners. Combustion instability in gas turbi... Read More about Experimental and numerical investigation of Helmholtz resonators and perforated liners as attenuation devices in industrial gas turbine combustors.

Gas absorption and reaction in a wet pneumatic foam (2014)
Journal Article
Perry, D. C., & Stevenson, P. (2015). Gas absorption and reaction in a wet pneumatic foam. Chemical engineering science, 126, 177-185. https://doi.org/10.1016/j.ces.2014.11.037

Results for the rate of absorption of carbon dioxide gas into a pneumatic (i.e. continuously rising) foam formed from a sodium carbonate–bicarbonate buffer solution stabilised by a polyglycol frother are presented. Previous studies upon the use of ga... Read More about Gas absorption and reaction in a wet pneumatic foam.

Numerical study of Taylor bubbles with adaptive unstructured meshes (2014)
Presentation / Conference
Hasan, A., Xie, Z., Pavlidis, D., Percival, J., Pain, C., Matar, O., & Azzopardi, B. (2014, November). Numerical study of Taylor bubbles with adaptive unstructured meshes. Presented at 67th Annual Meeting of the APS Division of Fluid Dynamics, San Francisco, USA

The Taylor bubble is a single long bubble which nearly fills the entire cross section of a liquid-filled circular tube. This type of bubble flow regime often occurs in gas-liquid slug flows in many industrial applications, including oil-and-gas produ... Read More about Numerical study of Taylor bubbles with adaptive unstructured meshes.

Slugs in a large diameter column with air and high viscosity silicone oil (2014)
Presentation / Conference
Hasan, A., & Azzopardi, B. (2014, November). Slugs in a large diameter column with air and high viscosity silicone oil. Presented at 67th Annual Meeting of the APS Division of Fluid Dynamics, San Francisco, USA

Very little information is known about the behaviour of high viscous liquids (> 100 Pa.s) in two phase slug flows. Experiments were carried out to study the behaviour of silicone oil (300 Pa.s) in gas bubble column using electrical capacitance tomogr... Read More about Slugs in a large diameter column with air and high viscosity silicone oil.

Influence of solvent exchange time on mixed matrix membrane separation performance for CO2/N2and a kinetic sorption study (2014)
Journal Article
Jawad, Z. A., Ahmad, A. L., Low, S. C., Chew, T. L., & Zein, S. H. (2015). Influence of solvent exchange time on mixed matrix membrane separation performance for CO2/N2and a kinetic sorption study. Journal of membrane science, 476, 590-601. https://doi.org/10.1016/j.memsci.2014.11.008

Carbon dioxide (CO 2 ) is the largest contributor of greenhouse gas emissions. Mixed matrix membranes (MMMs) have recently received attention as an attractive candidate for membrane-based separation, for which MMMs can serve as an alternative to conv... Read More about Influence of solvent exchange time on mixed matrix membrane separation performance for CO2/N2and a kinetic sorption study.

Simplification of detailed rate-based model of post-combustion CO₂ capture for full chain CCS integration studies (2014)
Journal Article
Oko, E., Wang, M., & Olaleye, A. K. (2015). Simplification of detailed rate-based model of post-combustion CO₂ capture for full chain CCS integration studies. Fuel, 142, 87-93. https://doi.org/10.1016/j.fuel.2014.10.083

As post-combustion CO₂ capture (PCC) technology nears commercialisation, it has become necessary for the full carbon capture and storage (CCS) chain to be studied for better understanding of its dynamic characteristics. Model-based approach is one op... Read More about Simplification of detailed rate-based model of post-combustion CO₂ capture for full chain CCS integration studies.

Mg/Ca ratios in freshwater microbial carbonates: Thermodynamic, kinetic and vital effects (2014)
Journal Article
Saunders, P., Rogerson, M., Wadhawan, J., Greenway, G., & Pedley, H. (2014). Mg/Ca ratios in freshwater microbial carbonates: Thermodynamic, kinetic and vital effects. Geochimica et cosmochimica acta, 147, 107-118. https://doi.org/10.1016/j.gca.2014.10.014

The ratio of magnesium to calcium (Mg/Ca) in carbonate minerals in an abiotic setting is conventionally assumed to be predominantly controlled by (Mg/Ca)solution and a temperature dependant partition coefficient. This temperature dependence suggests... Read More about Mg/Ca ratios in freshwater microbial carbonates: Thermodynamic, kinetic and vital effects.

An efficient mathematical model for air-breathing PEM fuel cells (2014)
Journal Article
Ismail, M. S., Ingham, D. B., Hughes, K. J., Ma, L., & Pourkashanian, M. (2014). An efficient mathematical model for air-breathing PEM fuel cells. Applied energy, 135, 490-503. https://doi.org/10.1016/j.apenergy.2014.08.113

A simple and efficient mathematical model for air-breathing proton exchange membrane (PEM) fuel cells has been built. One of the major objectives of this study is to investigate the effects of the Joule and entropic heat sources, which are often negl... Read More about An efficient mathematical model for air-breathing PEM fuel cells.

Production of syngas by pressurized fluidized bed gasification of German Lignite in a H2O/CO2 atmosphere (2014)
Presentation / Conference
Long, X., Skoulou, V., Paterson, N., & Agorio-Millan, M. (2014, September). Production of syngas by pressurized fluidized bed gasification of German Lignite in a H2O/CO2 atmosphere. Presented at 10th European Conference on Coal Research and its Applications (10th ERCCIA)

The oxyfuel gasification concept enables a N2 free gas to be obtained by fluidised bed gasification (FBG). This process uses CO2 to moderate the bed temperature and thus agglomeration. An alternative cooling medium is steam, which could be employed a... Read More about Production of syngas by pressurized fluidized bed gasification of German Lignite in a H2O/CO2 atmosphere.

Carbon Nanotubes: Next-Generation Nanomaterials for Clean Water Technologies (2014)
Book Chapter
Ong, Y. T., Yee, K. F., Yeang, Q. W., Zein, S. H. S., & Tan, S. H. (2014). Carbon Nanotubes: Next-Generation Nanomaterials for Clean Water Technologies. In B. I. Kharisov, O. V. Kharissova, & H. R. Dias (Eds.), Nanomaterials for Environmental Protection (125-142). Hoboken, NJ: John Wiley and Sons. https://doi.org/10.1002/9781118845530.ch8

© 2014 John Wiley & Sons, Inc. Substantial progress and breakthroughs have been achieved for nanomaterials because of their nanometer size. Carbon nanotubes (CNTs), a type of nanomaterial, have received considerable interest worldwide because of th... Read More about Carbon Nanotubes: Next-Generation Nanomaterials for Clean Water Technologies.

Experimental study, dynamic modelling, validation and analysis of hydrogen production from biomass pyrolysis/gasification of biomass in a two-stage fixed bed reaction system (2014)
Journal Article
Olaleye, A. K., Adedayo, K. J., Wu, C., Nahil, M. A., Wang, M., & Williams, P. T. (2014). Experimental study, dynamic modelling, validation and analysis of hydrogen production from biomass pyrolysis/gasification of biomass in a two-stage fixed bed reaction system. Fuel, 137, 364-374. https://doi.org/10.1016/j.fuel.2014.07.076

There is great interest in producing hydrogen from renewable sources such as biomass rather than from fossil fuels. This paper presents new experimental results at different pyrolysis temperature and development of a dynamic model for a biomass pyrol... Read More about Experimental study, dynamic modelling, validation and analysis of hydrogen production from biomass pyrolysis/gasification of biomass in a two-stage fixed bed reaction system.

Green tea polyphenol-reduced graphene oxide: derivatisation, reduction efficiency, reduction mechanism and cytotoxicity (2014)
Journal Article
Abdullah, M. F., Zakaria, R., & Zein, S. H. S. (2014). Green tea polyphenol-reduced graphene oxide: derivatisation, reduction efficiency, reduction mechanism and cytotoxicity. RSC advances, 4(65), 34510-34518. https://doi.org/10.1039/c4ra04292a

This paper reports on the derivatisation, reduction efficiency, reduction mechanism and cytotoxicity of green tea polyphenol-reduced graphene oxide (GTP-RGO). The reduction of graphene oxide (GO) at 90°C using a weight ratio (WR) of GTP/GO=1 resulted... Read More about Green tea polyphenol-reduced graphene oxide: derivatisation, reduction efficiency, reduction mechanism and cytotoxicity.

The through-plane thermal conductivity and the contact resistance of the components of the membrane electrode assembly and gas diffusion layer in proton exchange membrane fuel cells (2014)
Journal Article
Alhazmi, N., Ingham, D. B., Ismail, M. S., Hughes, K., Ma, L., & Pourkashanian, M. (2014). The through-plane thermal conductivity and the contact resistance of the components of the membrane electrode assembly and gas diffusion layer in proton exchange membrane fuel cells. Journal of power sources, 270, 59-67. https://doi.org/10.1016/j.jpowsour.2014.07.082

The thermal conductivity of the components of the membrane electrode assembly (MEA) and GDL must be accurately estimated in order to better understand the heat transfer processes in the proton exchange membrane (PEM) fuel cells. In this study, an exp... Read More about The through-plane thermal conductivity and the contact resistance of the components of the membrane electrode assembly and gas diffusion layer in proton exchange membrane fuel cells.

Dynamic modelling, validation and analysis of coal-fired subcritical power plant (2014)
Journal Article
Oko, E., & Wang, M. (2014). Dynamic modelling, validation and analysis of coal-fired subcritical power plant. Fuel, 135, 292-300. https://doi.org/10.1016/j.fuel.2014.06.055

Coal-fired power plants are the main source of global electricity. As environmental regulations tighten, there is need to improve the design, operation and control of existing or new built coal-fired power plants. Modelling and simulation is identifi... Read More about Dynamic modelling, validation and analysis of coal-fired subcritical power plant.

Surface plasmon-enhanced zeolite catalysis under light irradiation and its correlation with molecular polarity of reactants (2014)
Journal Article
Zhang, X., Du, A., Zhu, H., Jia, J., Wang, J., & Ke, X. (2014). Surface plasmon-enhanced zeolite catalysis under light irradiation and its correlation with molecular polarity of reactants. Chemical communications : Chem comm / the Royal Society of Chemistry, 50(90), 13893-13895. https://doi.org/10.1039/c4cc03225j

Enhanced catalytic performance of zeolites via the plasmonic effect of gold nanoparticles has been discovered to be closely correlated with the molecular polarity of reactants. The intensified polarised electrostatic field of Na+ in NaY plays a criti... Read More about Surface plasmon-enhanced zeolite catalysis under light irradiation and its correlation with molecular polarity of reactants.

Template synthesis and characterization of carbon nanomaterials from ferrocene crystals (2014)
Journal Article
Cherkasov, N., Savilov, S. V., Ivanov, A. S., Egorov, A. V., Lunin, V. V., & Ibhadon, A. O. (2014). Template synthesis and characterization of carbon nanomaterials from ferrocene crystals. Applied Surface Science, 308, 388-395. https://doi.org/10.1016/j.apsusc.2014.04.181

Filamentous ribbon-like structures of highly disordered carbon of thickness 10-100 nm built from merged individual carbon nanofibers were synthesised by chemical vapour deposition from saturated ferrocene-benzene solution at 950 K. The materials obta... Read More about Template synthesis and characterization of carbon nanomaterials from ferrocene crystals.

Flooding in a Vertically Rising Gas–Liquid Foam (2014)
Journal Article
Wang, X., Evans, G. M., & Stevenson, P. (2014). Flooding in a Vertically Rising Gas–Liquid Foam. Industrial & engineering chemistry research, 53(14), 6150-6156. https://doi.org/10.1021/ie4001844

The maximum liquid fraction that stable pneumatic foam can support is studied in this paper in order to illuminate change of flow regime from turbulent foam flow to the “emulsion regime” in which the distinct interface between the foam layer and the... Read More about Flooding in a Vertically Rising Gas–Liquid Foam.

Microbubbles enhanced synthetic phorbol ester degradation by ozonolysis (2014)
Journal Article
Kuvshinov, D., Siswanto, A., & Zimmerman, W. (2014). Microbubbles enhanced synthetic phorbol ester degradation by ozonolysis. International journal of chemical, molecular, nuclear, materials and metallurgical engineering, 8(1), 76-79

A phorbol-12-myristate-13-acetate (TPA) is a synthetic analogue of phorbol ester (PE), a natural toxic compound of Euphorbiaceae plant. The oil extracted from plants of this family is useful source for primarily biofuel. However this oil might also b... Read More about Microbubbles enhanced synthetic phorbol ester degradation by ozonolysis.