slug flow

slug flow

[′sləg ‚flō]
(fluid mechanics)
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Researchers investigate bubbling behavior in a waste glass melter, the aerodynamic response of 2D circular segments, the drift velocity of two-phase slug flow in a vertical pipe, and pipe vibrations in gas pressure reducing stations.
Orkiszewski method generalized the calculation of slug flow proposed by Griffith-Wallis to the scope of high flow rate.
2] redefine the dispersed oil phase as three different flow patterns, that is, slug flow, bubble flow, and dispersed bubble.
Slug flow is characterized by the presence of bullet-shaped bubbles, called Taylor bubbles that travel on the top of the pipe, and the continuous liquid phase exists in the form of liquid slugs.
slug flow pattern in which an slippage exists between phases.
The technique, called slug flow microextraction, makes it possible to quickly detect the presence of drugs or monitor certain medical conditions using only a single drop of blood or urine.
The momentum from slug flow has potential in generating impact forces as large as 3000 psi in piping system components, as described by Shelton and Jacobi (1995).
The flow regime in the wellbore switchesfrom annular mist flow to churning or slug flow and the liquid lifting capacity of the gas decreases dramatically.
The slug flow causes undesired consequences in the whole oil production such as: periods without liquid or gas production into the separator followed by very high liquid and gas rates when the liquid slug is being produced, emergency shutdown of the platform due to the high level of liquid in the separators, floods, corrosion and damages to the equipments of the process, high costs with maintenance.
Therefore, it is necessary to use a gas-liquid separator capable of handle the slug flow effects and perform an efficient separation.