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Experimental investigation of a vertically downward two-phase air-water slug flow (2017)
Journal Article
Bouyahiaoui, H., Azzi, A., Zeghloul, A., Hasan, A., & Berrouk, A. S. (2018). Experimental investigation of a vertically downward two-phase air-water slug flow. Journal of Petroleum Science and Engineering, 162, 12-21. https://doi.org/10.1016/j.petrol.2017.12.028

The present experimental work investigates the vertical downward two-phase slug flow in a transparent vertical pipe of 34 mm internal diameter. The gas and liquid superficial velocities are in the range of 0–3.27 m/s and 0.015–1.4 m/s respectively. T... Read More about Experimental investigation of a vertically downward two-phase air-water slug flow.

Churn flow in high viscosity oils and large diameter columns (2017)
Journal Article
Mohammed, S. K., Hasan, A., Dimitrakis, G., & Azzopardi, B. J. (2018). Churn flow in high viscosity oils and large diameter columns. International journal of multiphase flow, 100, 16-29. https://doi.org/10.1016/j.ijmultiphaseflow.2017.11.018

Churn flow is an important intermediate flow regime occurring in between slug and annular flow patterns in two-phase flow, with profound implications in chemical and petroleum industry. The majority of studies to date in churn flow have been carried... Read More about Churn flow in high viscosity oils and large diameter columns.

Behavior and pressure drop of an upwardly two-phase flow through multi-hole orifices (2017)
Journal Article
Zeghloul, A., Azzi, A., Hasan, A., & Azzopardi, B. J. (2018). Behavior and pressure drop of an upwardly two-phase flow through multi-hole orifices. Proceedings of the Institution of Mechanical Engineers. Part C, Mechanical engineering science, 232(18), 3281-3299. https://doi.org/10.1177/0954406217736081

Experimental results on hydrodynamic behavior and pressure drop of two-phase mixture flowing upwardly in a pipe containing single- and/or multi-hole orifice plate are presented. It was found from the measurement of the void fraction upstream and down... Read More about Behavior and pressure drop of an upwardly two-phase flow through multi-hole orifices.

An experimental study of a falling liquid film in a vertical pipe (2017)
Presentation / Conference Contribution
Hasan, A., Azzopardi, B., Hewakandamby, B., Mohammed, S. K., & AlAufi, Y. (2019, October). An experimental study of a falling liquid film in a vertical pipe. Presented at 10th World Congress of Chemical Engineering, Spain

The majority of the experimental and theoretical studies in literature on the falling liquid film focus on either small diameter pipes or flat plates. Almost, all these studies provide time series data of the film thickness at a single point on the p... Read More about An experimental study of a falling liquid film in a vertical pipe.