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New Algorithm to Discriminate Phase Distribution of Gas-Oil-Water Pipe Flow With Dual-Modality Wire-Mesh Sensor (2020)
Journal Article
Dias, F. D. A., dos Santos, E. N., da Silva, M. J., Schleicher, E., Morales, R. E. M., Hewakandamby, B., & Hampel, U. (2020). New Algorithm to Discriminate Phase Distribution of Gas-Oil-Water Pipe Flow With Dual-Modality Wire-Mesh Sensor. IEEE Access, 8, 125163-125178. https://doi.org/10.1109/access.2020.3007678

Three-phase gas-oil-water flow is an important type of flow present in petroleum extraction and processing. This paper reports a novel threshold-based method to visualize and estimate the cross-sectional phase fraction of gas-oil-water mixtures. A 16... Read More about New Algorithm to Discriminate Phase Distribution of Gas-Oil-Water Pipe Flow With Dual-Modality Wire-Mesh Sensor.

Optimised mode selection in electromagnetic sensors for real time, continuous and in-situ monitoring of water cut in multi-phase flow systems (2019)
Journal Article
Yuan, C., Bowler, A., Davies, J. G., Hewakandamby, B., & Dimitrakis, G. (2019). Optimised mode selection in electromagnetic sensors for real time, continuous and in-situ monitoring of water cut in multi-phase flow systems. Sensors and Actuators B: Chemical, 298, Article 126886. https://doi.org/10.1016/j.snb.2019.126886

Measurements of the composition of multiphase flows, especially water-cut in oil-water flow, is a frequently encountered problem in the petroleum industry. New techniques that can offer improvements towards that are continuously sought and the use of... Read More about Optimised mode selection in electromagnetic sensors for real time, continuous and in-situ monitoring of water cut in multi-phase flow systems.

Gas rising through a large diameter column of very viscous liquid: flow patterns and their dynamic characteristics (2019)
Journal Article
Hasan, A. H., Mohammed, S. K., Pioli, L., Hewakandamby, B. N., & Azzopardi, B. J. (2019). Gas rising through a large diameter column of very viscous liquid: flow patterns and their dynamic characteristics. International Journal of Multiphase Flow, 116, 1-14. https://doi.org/10.1016/j.ijmultiphaseflow.2019.04.001

Gas-liquid flows are affected strongly by both the liquid and gas properties and the pipe diameter, which control features and the stability of flow patterns and their transitions. For this reason, empirical models describing the flow dynamics can be... Read More about Gas rising through a large diameter column of very viscous liquid: flow patterns and their dynamic characteristics.

Fluid structure behaviour in gas-oil two-phase flow in a moderately large diameter vertical pipe (2018)
Journal Article
Omar, R. A., Hewakandamby, B. N., Azzi, A., & Azzopardi, B. J. (2018). Fluid structure behaviour in gas-oil two-phase flow in a moderately large diameter vertical pipe. Chemical Engineering Science, 187, https://doi.org/10.1016/j.ces.2018.04.075

Intermittent flows in vertical pipes occur in many industrial settings including power generation and downstream oil-and gas production. This type of flows include cap bubble, slug and churn flow regimes. These regimes are of interest as downstream p... Read More about Fluid structure behaviour in gas-oil two-phase flow in a moderately large diameter vertical pipe.

Numerical studies of shear-thinning droplet formation in a microfluidic T-junction using two-phase level-set method (2017)
Journal Article
Wong, V. L., Loizou, K., Lau, P., Graham, R. S., & Hewakandamby, B. N. (2017). Numerical studies of shear-thinning droplet formation in a microfluidic T-junction using two-phase level-set method. Chemical Engineering Science, 174, https://doi.org/10.1016/j.ces.2017.08.027

A conservative level-set method (LSM) embedded in a computational fluid dynamics (CFD) simulation provides a useful approach for the studying the physics and underlying mechanism in two-phase flow. Detailed two-dimensional (2D) computational microflu... Read More about Numerical studies of shear-thinning droplet formation in a microfluidic T-junction using two-phase level-set method.

Cellulosic-crystals as a fumed-silica substitute in vacuum insulated panel technology used in building construction and retrofit applications (2017)
Journal Article
Tetlow, D., Simon, L. D., Liew, S. Y., Hewakandamby, B. N., Mack, D., Thielemans, W., & Riffat, S. (2017). Cellulosic-crystals as a fumed-silica substitute in vacuum insulated panel technology used in building construction and retrofit applications. Energy and Buildings, 156, https://doi.org/10.1016/j.enbuild.2017.08.058

This article investigates impact of substituting fumed silica with a cellulosic-crystal innovation in a commercial Vacuum Insulated Panel (VIP) core. High building performance demands have attracted VIP technology investment to increase production ca... Read More about Cellulosic-crystals as a fumed-silica substitute in vacuum insulated panel technology used in building construction and retrofit applications.

Study of the impacts of droplets deposited from the gas core onto a gas-sheared liquid film (2016)
Journal Article
Cherdantsev, A. V., Hann, D. B., Hewakandamby, B. N., & Azzopardi, B. J. (2017). Study of the impacts of droplets deposited from the gas core onto a gas-sheared liquid film. International Journal of Multiphase Flow, 88, 69-86. https://doi.org/10.1016/j.ijmultiphaseflow.2016.09.015

The results of an experimental study on droplet impactions in the flow of a gas-sheared liquid film are presented. In contrast to most similar studies, the impacting droplets were entrained from film surface by the gas stream. The measurements provid... Read More about Study of the impacts of droplets deposited from the gas core onto a gas-sheared liquid film.

The control and maintenance of desired flow patterns in bends of different orientations (2016)
Journal Article
Zhao, D., Omar, R., Abdulkadir, M., Abdulkareem, L. A., Azzi, A., Saidj, F., …Azzopardi, B. J. (in press). The control and maintenance of desired flow patterns in bends of different orientations. Flow Measurement and Instrumentation, 53(B), https://doi.org/10.1016/j.flowmeasinst.2016.09.003

Multiphase flows are common in industrial settings and bends in pipe lines cannot be avoided due to space limitations. Gas-liquid two phase flows could form material discontinuities that could have adverse effect on productivity and the pipe network... Read More about The control and maintenance of desired flow patterns in bends of different orientations.

Subatmospheric boiling study of the operation of a horizontal thermosyphon reboiler loop: Instability (2016)
Journal Article
Agunlejika, E. O., Langston, P. A., Azzopardi, B. J., & Hewakandamby, B. N. (2016). Subatmospheric boiling study of the operation of a horizontal thermosyphon reboiler loop: Instability. Applied Thermal Engineering, 109(A), 739-745. https://doi.org/10.1016/j.applthermaleng.2016.08.135

Distillation and chemical processing under vacuum is of immense interest to petroleum and chemical industries due to lower energy costs and improved safety. To tap into these benefits, energy efficient reboilers with lower maintenance costs are requi... Read More about Subatmospheric boiling study of the operation of a horizontal thermosyphon reboiler loop: Instability.

Multi-needle capacitance probe for non-conductive two-phase flows (2016)
Journal Article
Monrós-Andreu, G., Martinez-Cuenca, R., Torró, S., Escrig, J., Hewakandamby, B., & Chiva, S. (2016). Multi-needle capacitance probe for non-conductive two-phase flows. Measurement Science and Technology, 27(7), Article 074004. https://doi.org/10.1088/0957-0233/27/7/074004

Despite its variable degree of application, intrusive instrumentation is the most accurate way to obtain local information in a two-phase flow system, especially local interfacial velocity and local interfacial area parameters. In this way, multi-nee... Read More about Multi-needle capacitance probe for non-conductive two-phase flows.

Flow instabilities in a horizontal thermosyphon reboiler loop (2016)
Journal Article
Agunlejika, E. O., Langston, P., Azzopardi, B. J., & Hewakandamby, B. N. (2016). Flow instabilities in a horizontal thermosyphon reboiler loop. Experimental Thermal and Fluid Science, 78, https://doi.org/10.1016/j.expthermflusci.2016.05.013

Thermosyphon systems have been the subject of several studies due to instability issues negating their attractive high heat fluxes, low temperature gradients requirement, reduced weight and simple, pump-less system. There is a dearth of design data f... Read More about Flow instabilities in a horizontal thermosyphon reboiler loop.

A study of droplet impact on static films using the BB-LIF technique (2016)
Journal Article
Hann, D. B., Cherdantsev, A. V., Mitchell, A., McCarthy, I., Hewakandamby, B. N., & Simmons, K. (2016). A study of droplet impact on static films using the BB-LIF technique. Experiments in Fluids, 57(46), https://doi.org/10.1007/s00348-016-2132-x

This paper presents results of single droplet impacts on films of different height taken using the Brightness Based Laser Induced Fluorescence technique (BB-LIF). The dynamics of drop impingement such as the shape of the cavity, residual film thickne... Read More about A study of droplet impact on static films using the BB-LIF technique.

Electrocoalescence of water drop trains in oil under constant and pulsatile electric fields (2015)
Journal Article
Vivacqua, V., Mhatre, S., Ghadiri, M., Abdullah, A., Hassanpour, A., Al-Marri, M., …Kermani, B. (2015). Electrocoalescence of water drop trains in oil under constant and pulsatile electric fields. Chemical Engineering Research and Design, 104, https://doi.org/10.1016/j.cherd.2015.10.006

This study addresses the effectiveness of constant and pulsed DC fields in promoting coalescence of dispersed water drops in an oil-continuous phase. For this purpose, a train of drops of relatively uniform size is injected into a stream of flowing s... Read More about Electrocoalescence of water drop trains in oil under constant and pulsatile electric fields.

Interrogating the effect of an orifice on the upward two-phase gas–liquid flow behavior (2015)
Journal Article
Zeghloul, A., Azzi, A., Saidj, F., Azzopardi, B. J., & Hewakandamby, B. N. (2015). Interrogating the effect of an orifice on the upward two-phase gas–liquid flow behavior. International Journal of Multiphase Flow, 74, https://doi.org/10.1016/j.ijmultiphaseflow.2015.04.013

Experiments are reported on an air–water mixture flowing through an orifice in a vertical pipe. Time series of cross-sectionally averaged void fractions have been measured at nine axial positions by using a conductance probe technique. A series of si... Read More about Interrogating the effect of an orifice on the upward two-phase gas–liquid flow behavior.

Electrostatic phase separation: a review (2015)
Journal Article
Mhatre, S., Vivacqua, V., Ghadiri, M., Abdullah, A., Al-Marri, M., Hassanpour, A., …Kermani, B. (2015). Electrostatic phase separation: a review. Chemical Engineering Research and Design, 96, https://doi.org/10.1016/j.cherd.2015.02.012

The current understanding and developments in the electrostatic phase separation are reviewed. The literature covers predominantly two immiscible and inter-dispersed liquids following the last review on the topic some 15 years. Electrocoalescence kin... Read More about Electrostatic phase separation: a review.