Initiation of slugs in horizontal gas-liquid flows
Experiments were conducted with air‐water flow in a horizontal 0.095‐m pipeline at atmospheric pressure to examine the mechanism by which slugs form in a stratified flow. A specially designed entrance box was used to avoid disturbances. In these experiments, at superficial gas velocities less than 3...
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Veröffentlicht in: | AIChE journal 1993-11, Vol.39 (11), p.1741-1753 |
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description | Experiments were conducted with air‐water flow in a horizontal 0.095‐m pipeline at atmospheric pressure to examine the mechanism by which slugs form in a stratified flow. A specially designed entrance box was used to avoid disturbances. In these experiments, at superficial gas velocities less than 3 m/s, the slugs are found to evolve from waves, with a length of about 0.085 m, that are generated by a Jeffreys mechanism. These waves grow in height and eventually double in wavelength by a nonlinear resonance mechanism. Depending on the height of the liquid, the growth can lead to a breaking wave or to a wave that fills the whole pipe cross section. At superficial gas velocities equal to or greater than 4 m/s capillary‐gravity waves with a wide range of lengths are generated by a linear Kelvin‐Helmholtz mechanism. These rapidly evolve into long waves outside the range of linear instability. If the liquid height is large enough, these waves can form slugs through a nonlinear Kelvin‐Helmholtz instability that is aided by wave coalescence. |
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J.</creatorcontrib><title>Initiation of slugs in horizontal gas-liquid flows</title><title>AIChE journal</title><addtitle>AIChE J</addtitle><description>Experiments were conducted with air‐water flow in a horizontal 0.095‐m pipeline at atmospheric pressure to examine the mechanism by which slugs form in a stratified flow. A specially designed entrance box was used to avoid disturbances. In these experiments, at superficial gas velocities less than 3 m/s, the slugs are found to evolve from waves, with a length of about 0.085 m, that are generated by a Jeffreys mechanism. These waves grow in height and eventually double in wavelength by a nonlinear resonance mechanism. Depending on the height of the liquid, the growth can lead to a breaking wave or to a wave that fills the whole pipe cross section. At superficial gas velocities equal to or greater than 4 m/s capillary‐gravity waves with a wide range of lengths are generated by a linear Kelvin‐Helmholtz mechanism. These rapidly evolve into long waves outside the range of linear instability. If the liquid height is large enough, these waves can form slugs through a nonlinear Kelvin‐Helmholtz instability that is aided by wave coalescence.</description><subject>02 PETROLEUM</subject><subject>022000 - Petroleum- Transport, Handling, & Storage</subject><subject>03 NATURAL GAS</subject><subject>032000 - Natural Gas- Transport, Handling, & Storage</subject><subject>Chemical engineering</subject><subject>Chemical Sciences</subject><subject>Exact sciences and technology</subject><subject>FLOW BLOCKAGE</subject><subject>Fluid dynamics</subject><subject>FLUID FLOW</subject><subject>FLUID MECHANICS</subject><subject>Fundamental areas of phenomenology (including applications)</subject><subject>GAS FLOW</subject><subject>GRAVITY WAVES</subject><subject>LIQUID FLOW</subject><subject>MECHANICS</subject><subject>Multiphase and particle-laden flows</subject><subject>Nonhomogeneous flows</subject><subject>Physics</subject><subject>PIPELINES</subject><subject>TWO-PHASE FLOW</subject><subject>WAVE PROPAGATION</subject><issn>0001-1541</issn><issn>1547-5905</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1993</creationdate><recordtype>article</recordtype><recordid>eNp9kElPwzAQhS0EEmU5co8QFw6B8RI7OVZlq6gAIVCP1sS1W0OISxzWX0-qoIoTlxnN0_dmRo-QAwonFICdojcnsgBeUApsgwxoJlSaFZBtkgEA0LQT6DbZifGpm5jK2YCwce1bj60PdRJcEqu3eUx8nSxC479D3WKVzDGmlX9987PEVeEj7pEth1W0-799lzxenD-MrtLJ7eV4NJykRgjFugqzwgorkBvryrKwDGdG8hLBqQwFz7gt0EnGODA6K5XjuaIZlFgKlpeO75LDfm-IrdfR-NaahQl1bU2rJXApc9VBxz20wEovG_-CzZcO6PXVcKJXGlApeJGLd9qxac-aJsTYWLc2UNCrBHWXoF4n2PFHPb_EaLByDdbGx7WJqyJnkneY6rEPX9mv_3fq4Xj098DvQz629nPtxOZZS8VVpqc3l_r--p7fPcCZnvIf7iuObw</recordid><startdate>199311</startdate><enddate>199311</enddate><creator>Fan, Z.</creator><creator>Lusseyran, F.</creator><creator>Hanratty, T. J.</creator><general>American Institute of Chemical Engineers</general><general>Wiley Subscription Services</general><general>Wiley</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>1XC</scope><scope>OTOTI</scope><orcidid>https://orcid.org/0000-0001-8606-9321</orcidid></search><sort><creationdate>199311</creationdate><title>Initiation of slugs in horizontal gas-liquid flows</title><author>Fan, Z. ; Lusseyran, F. ; Hanratty, T. J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4472-c40d9e4e4a3cefbb9e2adc63ba0f75a4353e9af6223021db7f387150bab428bf3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1993</creationdate><topic>02 PETROLEUM</topic><topic>022000 - Petroleum- Transport, Handling, & Storage</topic><topic>03 NATURAL GAS</topic><topic>032000 - Natural Gas- Transport, Handling, & Storage</topic><topic>Chemical engineering</topic><topic>Chemical Sciences</topic><topic>Exact sciences and technology</topic><topic>FLOW BLOCKAGE</topic><topic>Fluid dynamics</topic><topic>FLUID FLOW</topic><topic>FLUID MECHANICS</topic><topic>Fundamental areas of phenomenology (including applications)</topic><topic>GAS FLOW</topic><topic>GRAVITY WAVES</topic><topic>LIQUID FLOW</topic><topic>MECHANICS</topic><topic>Multiphase and particle-laden flows</topic><topic>Nonhomogeneous flows</topic><topic>Physics</topic><topic>PIPELINES</topic><topic>TWO-PHASE FLOW</topic><topic>WAVE PROPAGATION</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Fan, Z.</creatorcontrib><creatorcontrib>Lusseyran, F.</creatorcontrib><creatorcontrib>Hanratty, T. J.</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Hyper Article en Ligne (HAL)</collection><collection>OSTI.GOV</collection><jtitle>AIChE journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Fan, Z.</au><au>Lusseyran, F.</au><au>Hanratty, T. J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Initiation of slugs in horizontal gas-liquid flows</atitle><jtitle>AIChE journal</jtitle><addtitle>AIChE J</addtitle><date>1993-11</date><risdate>1993</risdate><volume>39</volume><issue>11</issue><spage>1741</spage><epage>1753</epage><pages>1741-1753</pages><issn>0001-1541</issn><eissn>1547-5905</eissn><coden>AICEAC</coden><abstract>Experiments were conducted with air‐water flow in a horizontal 0.095‐m pipeline at atmospheric pressure to examine the mechanism by which slugs form in a stratified flow. A specially designed entrance box was used to avoid disturbances. In these experiments, at superficial gas velocities less than 3 m/s, the slugs are found to evolve from waves, with a length of about 0.085 m, that are generated by a Jeffreys mechanism. These waves grow in height and eventually double in wavelength by a nonlinear resonance mechanism. Depending on the height of the liquid, the growth can lead to a breaking wave or to a wave that fills the whole pipe cross section. At superficial gas velocities equal to or greater than 4 m/s capillary‐gravity waves with a wide range of lengths are generated by a linear Kelvin‐Helmholtz mechanism. These rapidly evolve into long waves outside the range of linear instability. If the liquid height is large enough, these waves can form slugs through a nonlinear Kelvin‐Helmholtz instability that is aided by wave coalescence.</abstract><cop>New York</cop><pub>American Institute of Chemical Engineers</pub><doi>10.1002/aic.690391102</doi><tpages>13</tpages><orcidid>https://orcid.org/0000-0001-8606-9321</orcidid></addata></record> |
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subjects | 02 PETROLEUM 022000 - Petroleum- Transport, Handling, & Storage 03 NATURAL GAS 032000 - Natural Gas- Transport, Handling, & Storage Chemical engineering Chemical Sciences Exact sciences and technology FLOW BLOCKAGE Fluid dynamics FLUID FLOW FLUID MECHANICS Fundamental areas of phenomenology (including applications) GAS FLOW GRAVITY WAVES LIQUID FLOW MECHANICS Multiphase and particle-laden flows Nonhomogeneous flows Physics PIPELINES TWO-PHASE FLOW WAVE PROPAGATION |
title | Initiation of slugs in horizontal gas-liquid flows |
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