Dr. Allen is an experimentalist interested in the study of two-phase flow in capillary systems; such as found in the gas flow channels and diffusion media of PEM fuel cells. The behavior of liquid ...

Research into gas‐liquid flow dynamics in vertical pipelines has revealed that the interplay between the gas and liquid phases becomes considerably more complex when surfactants are introduced.

A multiphase flow meter measures the flow rates of different phases of liquid and gas within a single pipeline and is an ...

A numerical and experimental study was carried out to investigate the two-phase flow fields of the typical three valves used in the multiphase pumps. Under the gas ...

A simple-to-use correlation has been developed which better predicts liquid holdup in gas-condensate transmission, two-phase flow pipelines. Research for the correlation is based on data from Iran's ...

A new empirical correlation can help engineers size chokes for controlling gas-condensate production and predicting the performance of flowing wells under different conditions. The correlation was ...