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An image depicting slug flow, where gas bubbles in a liquid 'slug' push along a larger gas bubble. In fluid mechanics, slug flow in liquid–gas two-phase flow is a type of flow pattern. Lighter, faster moving continuous fluid which contains gas bubbles - pushes along a disperse gas bubble. [1] [2] Pressure oscillations within piping can be ...
The gas will form waves on the liquid surface, which may grow to bridge the whole cross-section of the line. This creates a blockage on the gas flow, which travels as a slug through the line. Riser-based slugging, also known as severe slugging, is associated with the pipeline risers often found in offshore oil production facilities. [1]
In the homogeneous model of two-phase flow, the slip ratio is by definition assumed to be unity (no slip). It is however experimentally observed that the velocity of the gas and liquid phases can be significantly different, depending on the flow pattern (e.g. plug flow, annular flow, bubble flow, stratified flow, slug flow, churn flow). The ...
The latter is characterized by a central core of gas surrounded by a thin liquid film. The annular flow regime exists only at very high gas velocity. When dealing with industrial applications, larger-diameter bubble columns are typically employed so that the slug flow regime is not usually observed due to the so-called Rayleight-Taylor ...
A gas slug is a conglomerate of high pressure gas bubbles that forms within certain volcanoes, the agitation of which is a driving factor in Strombolian eruptions. They start out as small bubbles of gas inside of volcanic magma. [1] These accumulate into one large bubble, which starts to rise through the lava plume. Gas slugs also consist of ...
Superficial liquid velocity is the liquid velocity if there were no gas present in the wet gas flow. Liquid load is the ratio of the liquid mass flow rate to the gas mass flow rate and is normally expressed as a percentage. GVF – Gas volume fraction is the ratio of the gas volumetric flow rate to the total volumetric flow rate. LVF – Liquid ...
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ISO 10628 Diagrams for the chemical and petrochemical industry specifies the classification, content, and representation of flow diagrams. It does not apply to electrical engineering diagrams. ISO 10628 consists of the following parts: Part 1: Specification of Diagrams (ISO 10628-1:2014) [1] Part 2: Graphical Symbols (ISO 10628-2:2012)