A comprehensive flow regime map for microchannel flow boiling with quantitative transition criteria
Due to the critical role of vapor confinement in establishing distinct flow and heat transfer characteristics in microchannels (as distinct from those in larger channels), the conditions under which such confinement occurs in microchannels are of great interest. It is shown in the present work that...
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Veröffentlicht in: | International journal of heat and mass transfer 2010-06, Vol.53 (13), p.2694-2702 |
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creator | Harirchian, Tannaz Garimella, Suresh V. |
description | Due to the critical role of vapor confinement in establishing distinct flow and heat transfer characteristics in microchannels (as distinct from those in larger channels), the conditions under which such confinement occurs in microchannels are of great interest. It is shown in the present work that channel dimensions and flow properties alone, as proposed in past studies, are insufficient for determining confinement effects in microchannel boiling. Hence, a new criterion for physical confinement in microchannel flow boiling, termed the
convective confinement number, that incorporates the effects of mass flux, as well as channel cross-sectional area and fluid properties, is proposed. This criterion helps determine the conditions under which a channel qualifies as a microchannel for two-phase flow, needing special treatment, and when a macroscale treatment is adequate. In addition, based on previous work by the authors, a new comprehensive flow regime map is developed for a wide range of experimental parameters and channel dimensions, along with quantitative transition criteria based on nondimensional boiling parameters. |
doi_str_mv | 10.1016/j.ijheatmasstransfer.2010.02.039 |
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convective confinement number, that incorporates the effects of mass flux, as well as channel cross-sectional area and fluid properties, is proposed. This criterion helps determine the conditions under which a channel qualifies as a microchannel for two-phase flow, needing special treatment, and when a macroscale treatment is adequate. In addition, based on previous work by the authors, a new comprehensive flow regime map is developed for a wide range of experimental parameters and channel dimensions, along with quantitative transition criteria based on nondimensional boiling parameters.</description><identifier>ISSN: 0017-9310</identifier><identifier>EISSN: 1879-2189</identifier><identifier>DOI: 10.1016/j.ijheatmasstransfer.2010.02.039</identifier><identifier>CODEN: IJHMAK</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Applied sciences ; Boiling ; Channels ; Confinement ; Confinement effects ; Criteria ; Cross sections ; Cross-sectional area ; Devices using thermal energy ; Energy ; Energy. Thermal use of fuels ; Exact sciences and technology ; Flow regime map ; Fluid dynamics ; Fundamental areas of phenomenology (including applications) ; Heat exchangers (included heat transformers, condensers, cooling towers) ; Mass transfer ; Microchannel flow boiling ; Microchannel size ; Microchannels ; Multiphase and particle-laden flows ; Nonhomogeneous flows ; Physics ; Transition criteria</subject><ispartof>International journal of heat and mass transfer, 2010-06, Vol.53 (13), p.2694-2702</ispartof><rights>2010 Elsevier Ltd</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c441t-ebdba36b44d3aeff652497e1f31bbcb96ef537168e1e557e8612d2a9d78423a23</citedby><cites>FETCH-LOGICAL-c441t-ebdba36b44d3aeff652497e1f31bbcb96ef537168e1e557e8612d2a9d78423a23</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0017931010001158$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27903,27904,65309</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=22681583$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Harirchian, Tannaz</creatorcontrib><creatorcontrib>Garimella, Suresh V.</creatorcontrib><title>A comprehensive flow regime map for microchannel flow boiling with quantitative transition criteria</title><title>International journal of heat and mass transfer</title><description>Due to the critical role of vapor confinement in establishing distinct flow and heat transfer characteristics in microchannels (as distinct from those in larger channels), the conditions under which such confinement occurs in microchannels are of great interest. It is shown in the present work that channel dimensions and flow properties alone, as proposed in past studies, are insufficient for determining confinement effects in microchannel boiling. Hence, a new criterion for physical confinement in microchannel flow boiling, termed the
convective confinement number, that incorporates the effects of mass flux, as well as channel cross-sectional area and fluid properties, is proposed. This criterion helps determine the conditions under which a channel qualifies as a microchannel for two-phase flow, needing special treatment, and when a macroscale treatment is adequate. In addition, based on previous work by the authors, a new comprehensive flow regime map is developed for a wide range of experimental parameters and channel dimensions, along with quantitative transition criteria based on nondimensional boiling parameters.</description><subject>Applied sciences</subject><subject>Boiling</subject><subject>Channels</subject><subject>Confinement</subject><subject>Confinement effects</subject><subject>Criteria</subject><subject>Cross sections</subject><subject>Cross-sectional area</subject><subject>Devices using thermal energy</subject><subject>Energy</subject><subject>Energy. Thermal use of fuels</subject><subject>Exact sciences and technology</subject><subject>Flow regime map</subject><subject>Fluid dynamics</subject><subject>Fundamental areas of phenomenology (including applications)</subject><subject>Heat exchangers (included heat transformers, condensers, cooling towers)</subject><subject>Mass transfer</subject><subject>Microchannel flow boiling</subject><subject>Microchannel size</subject><subject>Microchannels</subject><subject>Multiphase and particle-laden flows</subject><subject>Nonhomogeneous flows</subject><subject>Physics</subject><subject>Transition criteria</subject><issn>0017-9310</issn><issn>1879-2189</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNqNkMtuFDEQRS0EEkPgH7xBsOmJX_3aEUWEhyKxgbVV7S5natRtT2xPIv4eDxOxYZNVqVSnbtW9jH2UYiuF7C73W9rvEMoKOZcEIXtMWyXqWKit0OMLtpFDPzZKDuNLthFC9s2opXjN3uS8P7XCdBvmrriL6yHhDkOmB-R-iY884R2tyFc4cB8TX8ml6HYQAi5nYIq0ULjjj1R2_P4IoVCBctr_-wsVioG7RAUTwVv2ysOS8d1TvWC_bj7_vP7a3P748u366rZxxsjS4DRPoLvJmFkDet-1yow9Sq_lNLlp7NC3upfdgBLbtsehk2pWMM79YJQGpS_Yh7PuIcX7I-ZiV8oOlwUCxmO2fV03RgxjJT-dyeor54TeHhKtkH5bKewpXru3_8drT_FaoWyNt0q8fzoG2cHiK-Mo_9NRqhtkO-jKfT9zWJ0_UFXJjjA4nCmhK3aO9PyjfwAH1J_7</recordid><startdate>20100601</startdate><enddate>20100601</enddate><creator>Harirchian, Tannaz</creator><creator>Garimella, Suresh V.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>H8D</scope><scope>KR7</scope><scope>L7M</scope></search><sort><creationdate>20100601</creationdate><title>A comprehensive flow regime map for microchannel flow boiling with quantitative transition criteria</title><author>Harirchian, Tannaz ; Garimella, Suresh V.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c441t-ebdba36b44d3aeff652497e1f31bbcb96ef537168e1e557e8612d2a9d78423a23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Applied sciences</topic><topic>Boiling</topic><topic>Channels</topic><topic>Confinement</topic><topic>Confinement effects</topic><topic>Criteria</topic><topic>Cross sections</topic><topic>Cross-sectional area</topic><topic>Devices using thermal energy</topic><topic>Energy</topic><topic>Energy. Thermal use of fuels</topic><topic>Exact sciences and technology</topic><topic>Flow regime map</topic><topic>Fluid dynamics</topic><topic>Fundamental areas of phenomenology (including applications)</topic><topic>Heat exchangers (included heat transformers, condensers, cooling towers)</topic><topic>Mass transfer</topic><topic>Microchannel flow boiling</topic><topic>Microchannel size</topic><topic>Microchannels</topic><topic>Multiphase and particle-laden flows</topic><topic>Nonhomogeneous flows</topic><topic>Physics</topic><topic>Transition criteria</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Harirchian, Tannaz</creatorcontrib><creatorcontrib>Garimella, Suresh V.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>International journal of heat and mass transfer</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Harirchian, Tannaz</au><au>Garimella, Suresh V.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A comprehensive flow regime map for microchannel flow boiling with quantitative transition criteria</atitle><jtitle>International journal of heat and mass transfer</jtitle><date>2010-06-01</date><risdate>2010</risdate><volume>53</volume><issue>13</issue><spage>2694</spage><epage>2702</epage><pages>2694-2702</pages><issn>0017-9310</issn><eissn>1879-2189</eissn><coden>IJHMAK</coden><abstract>Due to the critical role of vapor confinement in establishing distinct flow and heat transfer characteristics in microchannels (as distinct from those in larger channels), the conditions under which such confinement occurs in microchannels are of great interest. It is shown in the present work that channel dimensions and flow properties alone, as proposed in past studies, are insufficient for determining confinement effects in microchannel boiling. Hence, a new criterion for physical confinement in microchannel flow boiling, termed the
convective confinement number, that incorporates the effects of mass flux, as well as channel cross-sectional area and fluid properties, is proposed. This criterion helps determine the conditions under which a channel qualifies as a microchannel for two-phase flow, needing special treatment, and when a macroscale treatment is adequate. In addition, based on previous work by the authors, a new comprehensive flow regime map is developed for a wide range of experimental parameters and channel dimensions, along with quantitative transition criteria based on nondimensional boiling parameters.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.ijheatmasstransfer.2010.02.039</doi><tpages>9</tpages></addata></record> |
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subjects | Applied sciences Boiling Channels Confinement Confinement effects Criteria Cross sections Cross-sectional area Devices using thermal energy Energy Energy. Thermal use of fuels Exact sciences and technology Flow regime map Fluid dynamics Fundamental areas of phenomenology (including applications) Heat exchangers (included heat transformers, condensers, cooling towers) Mass transfer Microchannel flow boiling Microchannel size Microchannels Multiphase and particle-laden flows Nonhomogeneous flows Physics Transition criteria |
title | A comprehensive flow regime map for microchannel flow boiling with quantitative transition criteria |
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