Coalescence of two droplets impacting a solid surface
Coalescence of a falling droplet with a stationary sessile droplet is studied experimentally. High-speed video images are presented to show coalescence dynamics, shape evolution and contact line movement. Emphasis is put on spread length, which is the length of two coalesced droplets along their ori...
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| Veröffentlicht in: | Experiments in fluids 2010-06, Vol.48 (6), p.1025-1035 |
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| container_title | Experiments in fluids |
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| creator | Li, Ri Ashgriz, Nasser Chandra, Sanjeev Andrews, John R. Drappel, Stephan |
| description | Coalescence of a falling droplet with a stationary sessile droplet is studied experimentally. High-speed video images are presented to show coalescence dynamics, shape evolution and contact line movement. Emphasis is put on spread length, which is the length of two coalesced droplets along their original centers. Experimental results have shown that the spread length can be larger or smaller than the ideal spread length, which is the spread diameter of individual droplet plus the center-to-center distance between the two droplets. Three different coalescence mechanisms based on comparing the maximum and the minimum spread lengths to the ideal spread length are identified. Correlations for the maximum and the minimum spread lengths are developed, which can be combined with the coalescence domains to determine the deposition conditions for forming continuous or discontinuous lines. |
| doi_str_mv | 10.1007/s00348-009-0789-0 |
| format | Article |
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High-speed video images are presented to show coalescence dynamics, shape evolution and contact line movement. Emphasis is put on spread length, which is the length of two coalesced droplets along their original centers. Experimental results have shown that the spread length can be larger or smaller than the ideal spread length, which is the spread diameter of individual droplet plus the center-to-center distance between the two droplets. Three different coalescence mechanisms based on comparing the maximum and the minimum spread lengths to the ideal spread length are identified. Correlations for the maximum and the minimum spread lengths are developed, which can be combined with the coalescence domains to determine the deposition conditions for forming continuous or discontinuous lines.</description><identifier>ISSN: 0723-4864</identifier><identifier>EISSN: 1432-1114</identifier><identifier>DOI: 10.1007/s00348-009-0789-0</identifier><identifier>CODEN: EXFLDU</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer-Verlag</publisher><subject>Applied fluid mechanics ; Coalescence ; Coalescing ; Contact ; Correlation ; Deposition ; Droplets ; Drops and bubbles ; Engineering ; Engineering Fluid Dynamics ; Engineering Thermodynamics ; Exact sciences and technology ; Fluid dynamics ; Fluid- and Aerodynamics ; Fundamental areas of phenomenology (including applications) ; Heat and Mass Transfer ; Hydrodynamics, hydraulics, hydrostatics ; Instrumentation for fluid dynamics ; Nonhomogeneous flows ; Physics ; Research Article ; Spreads</subject><ispartof>Experiments in fluids, 2010-06, Vol.48 (6), p.1025-1035</ispartof><rights>Springer-Verlag 2009</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c450t-75ae1eeaeabb7b9947870368ff8adf10fa4dc4f3bfd087d0d0b85a4c8ee4cb4d3</citedby><cites>FETCH-LOGICAL-c450t-75ae1eeaeabb7b9947870368ff8adf10fa4dc4f3bfd087d0d0b85a4c8ee4cb4d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00348-009-0789-0$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00348-009-0789-0$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27903,27904,41467,42536,51297</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=22838201$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Li, Ri</creatorcontrib><creatorcontrib>Ashgriz, Nasser</creatorcontrib><creatorcontrib>Chandra, Sanjeev</creatorcontrib><creatorcontrib>Andrews, John R.</creatorcontrib><creatorcontrib>Drappel, Stephan</creatorcontrib><title>Coalescence of two droplets impacting a solid surface</title><title>Experiments in fluids</title><addtitle>Exp Fluids</addtitle><description>Coalescence of a falling droplet with a stationary sessile droplet is studied experimentally. High-speed video images are presented to show coalescence dynamics, shape evolution and contact line movement. Emphasis is put on spread length, which is the length of two coalesced droplets along their original centers. Experimental results have shown that the spread length can be larger or smaller than the ideal spread length, which is the spread diameter of individual droplet plus the center-to-center distance between the two droplets. Three different coalescence mechanisms based on comparing the maximum and the minimum spread lengths to the ideal spread length are identified. Correlations for the maximum and the minimum spread lengths are developed, which can be combined with the coalescence domains to determine the deposition conditions for forming continuous or discontinuous lines.</description><subject>Applied fluid mechanics</subject><subject>Coalescence</subject><subject>Coalescing</subject><subject>Contact</subject><subject>Correlation</subject><subject>Deposition</subject><subject>Droplets</subject><subject>Drops and bubbles</subject><subject>Engineering</subject><subject>Engineering Fluid Dynamics</subject><subject>Engineering Thermodynamics</subject><subject>Exact sciences and technology</subject><subject>Fluid dynamics</subject><subject>Fluid- and Aerodynamics</subject><subject>Fundamental areas of phenomenology (including applications)</subject><subject>Heat and Mass Transfer</subject><subject>Hydrodynamics, hydraulics, hydrostatics</subject><subject>Instrumentation for fluid dynamics</subject><subject>Nonhomogeneous flows</subject><subject>Physics</subject><subject>Research Article</subject><subject>Spreads</subject><issn>0723-4864</issn><issn>1432-1114</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNqFkE1LxDAQhoMouK7-AG-9CF6qk4826VEWv2DBi57DNB9Ll26zJi3ivzdLF496mTnM874MDyHXFO4ogLxPAFyoEqApQao8TsiCCs5KSqk4JQuQjJdC1eKcXKS0BaBVA2pBqlXA3iXjBuOK4IvxKxQ2hn3vxlR0uz2asRs2BRYp9J0t0hQ9GndJzjz2yV0d95J8PD2-r17K9dvz6-phXRpRwVjKCh11Dh22rWybRkglgdfKe4XWU_AorBGet96CkhYstKpCYZRzwrTC8iW5nXv3MXxOLo161-Vf-x4HF6akaS0Y44qy5n-0oowzCarOKJ1RE0NK0Xm9j90O47emoA829WxTZ5v6YFNDztwc6zEZ7H3EwXTpN8iY4ooBzRybuZRPw8ZFvQ1THLKkP8p_AOyRhFE</recordid><startdate>20100601</startdate><enddate>20100601</enddate><creator>Li, Ri</creator><creator>Ashgriz, Nasser</creator><creator>Chandra, Sanjeev</creator><creator>Andrews, John R.</creator><creator>Drappel, Stephan</creator><general>Springer-Verlag</general><general>Springer</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H96</scope><scope>L.G</scope><scope>7TB</scope><scope>7U5</scope><scope>8FD</scope><scope>FR3</scope><scope>H8D</scope><scope>KR7</scope><scope>L7M</scope></search><sort><creationdate>20100601</creationdate><title>Coalescence of two droplets impacting a solid surface</title><author>Li, Ri ; Ashgriz, Nasser ; Chandra, Sanjeev ; Andrews, John R. ; Drappel, Stephan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c450t-75ae1eeaeabb7b9947870368ff8adf10fa4dc4f3bfd087d0d0b85a4c8ee4cb4d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Applied fluid mechanics</topic><topic>Coalescence</topic><topic>Coalescing</topic><topic>Contact</topic><topic>Correlation</topic><topic>Deposition</topic><topic>Droplets</topic><topic>Drops and bubbles</topic><topic>Engineering</topic><topic>Engineering Fluid Dynamics</topic><topic>Engineering Thermodynamics</topic><topic>Exact sciences and technology</topic><topic>Fluid dynamics</topic><topic>Fluid- and Aerodynamics</topic><topic>Fundamental areas of phenomenology (including applications)</topic><topic>Heat and Mass Transfer</topic><topic>Hydrodynamics, hydraulics, hydrostatics</topic><topic>Instrumentation for fluid dynamics</topic><topic>Nonhomogeneous flows</topic><topic>Physics</topic><topic>Research Article</topic><topic>Spreads</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Ri</creatorcontrib><creatorcontrib>Ashgriz, Nasser</creatorcontrib><creatorcontrib>Chandra, Sanjeev</creatorcontrib><creatorcontrib>Andrews, John R.</creatorcontrib><creatorcontrib>Drappel, Stephan</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aqualine</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity 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>Experiments in fluids</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Ri</au><au>Ashgriz, Nasser</au><au>Chandra, Sanjeev</au><au>Andrews, John R.</au><au>Drappel, Stephan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Coalescence of two droplets impacting a solid surface</atitle><jtitle>Experiments in fluids</jtitle><stitle>Exp Fluids</stitle><date>2010-06-01</date><risdate>2010</risdate><volume>48</volume><issue>6</issue><spage>1025</spage><epage>1035</epage><pages>1025-1035</pages><issn>0723-4864</issn><eissn>1432-1114</eissn><coden>EXFLDU</coden><abstract>Coalescence of a falling droplet with a stationary sessile droplet is studied experimentally. High-speed video images are presented to show coalescence dynamics, shape evolution and contact line movement. Emphasis is put on spread length, which is the length of two coalesced droplets along their original centers. Experimental results have shown that the spread length can be larger or smaller than the ideal spread length, which is the spread diameter of individual droplet plus the center-to-center distance between the two droplets. Three different coalescence mechanisms based on comparing the maximum and the minimum spread lengths to the ideal spread length are identified. Correlations for the maximum and the minimum spread lengths are developed, which can be combined with the coalescence domains to determine the deposition conditions for forming continuous or discontinuous lines.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer-Verlag</pub><doi>10.1007/s00348-009-0789-0</doi><tpages>11</tpages></addata></record> |
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| subjects | Applied fluid mechanics Coalescence Coalescing Contact Correlation Deposition Droplets Drops and bubbles Engineering Engineering Fluid Dynamics Engineering Thermodynamics Exact sciences and technology Fluid dynamics Fluid- and Aerodynamics Fundamental areas of phenomenology (including applications) Heat and Mass Transfer Hydrodynamics, hydraulics, hydrostatics Instrumentation for fluid dynamics Nonhomogeneous flows Physics Research Article Spreads |
| title | Coalescence of two droplets impacting a solid surface |
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