The method of using the time series data generated by the Lorenz equation to verify the validity and sensitivity of recurrence quantification analysis was presented

and this method was used to identify oil/water two-phase flow patterns. The research indicated both dispersed points texture and line type texture appeared on recurrence plot for the transitional oil/water two phase flow pattern; however

only line type texture appeared on recurrence plot for the oil-in-water flow pattern. This phenomenon showed that the texture on recurrence plot was sensitive to the change of oil/water two-phase flow pattern

and the recurrence quantification analysis was a valid supplementary diagnosis tool for flow pattern identification.