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A Drift-Flux Model For Upward Two-Phase In Pipes With High Velocity Flows, Woochan Lee
A Drift-Flux Model For Upward Two-Phase In Pipes With High Velocity Flows, Woochan Lee
LSU Doctoral Dissertations
This study proposes the evaluation and development of a drift-flux model for upward two-phase high-velocity flow in large diameter pipes. A case where the proposed model is applicable is WCD (Worst-Case-Discharge) calculations for offshore wells. WCD assumes relatively larger pipe diameters and higher flow rates than the flow experiments at laboratory conditions utilized to validate and develop most of the flow models available in the literature.
Most of the two-phase flow models describe flow regime transitions as discrete processes by assigning the required void fraction or velocity for each flow regime transition. Therefore, for each flow regime, flow-regime-dependent correlations or …