Ultrasonic Oscillatory Two-phase Flow in Microchannels
Experimental and numerical investigations are performed to provide an assessment of the transport behavior of an ultrasonic oscillatory two-phase flow in a microchannel. The work is inspired by the flow observed in an innovative ultrasonic fabric drying device using a piezoelectric bimorph transduce...
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description | Experimental and numerical investigations are performed to provide an assessment of the transport behavior of an ultrasonic oscillatory two-phase flow in a microchannel. The work is inspired by the flow observed in an innovative ultrasonic fabric drying device using a piezoelectric bimorph transducer with microchannels, where a water-air two-phase flow is transported by harmonically oscillating microchannels. The flow exhibits highly unsteady behavior as the water and air interact with each other during the vibration cycles, making it significantly different from the well-studied steady flow in microchannels. The computational fluid dynamics (CFD) modeling is realized by combing the turbulence Reynolds-averaged Navier-Stokes (RANS) k-\({\omega}\) model with the phase-field method to resolve the dynamics of the two-phase flow. The numerical results are qualitatively validated by the experiment. Through parametric studies, we specifically examined the effects of vibration conditions (i.e., frequency and amplitude), microchannel taper angle, and wall surface contact angle (i.e., wettability) on the flow rate through the microchannel. The results will advance the potential applications where oscillatory or general unsteady microchannel two-phase flows may be present. |
doi_str_mv | 10.48550/arxiv.2012.03406 |
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The work is inspired by the flow observed in an innovative ultrasonic fabric drying device using a piezoelectric bimorph transducer with microchannels, where a water-air two-phase flow is transported by harmonically oscillating microchannels. The flow exhibits highly unsteady behavior as the water and air interact with each other during the vibration cycles, making it significantly different from the well-studied steady flow in microchannels. The computational fluid dynamics (CFD) modeling is realized by combing the turbulence Reynolds-averaged Navier-Stokes (RANS) k-\({\omega}\) model with the phase-field method to resolve the dynamics of the two-phase flow. The numerical results are qualitatively validated by the experiment. Through parametric studies, we specifically examined the effects of vibration conditions (i.e., frequency and amplitude), microchannel taper angle, and wall surface contact angle (i.e., wettability) on the flow rate through the microchannel. 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The results will advance the potential applications where oscillatory or general unsteady microchannel two-phase flows may be present.</description><subject>Aerodynamics</subject><subject>Computational fluid dynamics</subject><subject>Contact angle</subject><subject>Flow velocity</subject><subject>Fluid flow</subject><subject>Mathematical models</subject><subject>Microchannels</subject><subject>Physics - Fluid Dynamics</subject><subject>Piezoelectricity</subject><subject>Reynolds averaged Navier-Stokes method</subject><subject>Steady flow</subject><subject>Two phase flow</subject><subject>Vibration</subject><subject>Wettability</subject><issn>2331-8422</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GOX</sourceid><recordid>eNotj7FOwzAURS0kJKrSD2AiEnOC_Rw79ogqCkhFXcIcvTiO6srEwW4p_XtCy3SXo3vvIeSO0aJUQtBHjD_uuwDKoKC8pPKKzIBzlqsS4IYsUtpRSkFWIASfEfnh9xFTGJzJNsk473Ef4imrjyEft5hstvLhmLkhe3cmBrPFYbA-3ZLrHn2yi_-ck3r1XC9f8_Xm5W35tM5RAOS2Yq3V0w4apQU32EvFhARghnW6NxV2VmvVIp2QjhpoLaPMltM_3vdc8zm5v9SepZoxuk-Mp-ZPrjnLTcTDhRhj-DrYtG924RCH6VMDpVRTEauA_wI49FEk</recordid><startdate>20201207</startdate><enddate>20201207</enddate><creator>Lu, Zhaokuan</creator><creator>Dupuis, Eric D</creator><creator>Patel, Viral K</creator><creator>Momen, Ayyoub M</creator><creator>Shima Shahab</creator><general>Cornell University Library, arXiv.org</general><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>M7S</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>GOX</scope></search><sort><creationdate>20201207</creationdate><title>Ultrasonic Oscillatory Two-phase Flow in Microchannels</title><author>Lu, Zhaokuan ; Dupuis, Eric D ; Patel, Viral K ; Momen, Ayyoub M ; Shima Shahab</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a522-e71be9553ac8953caf68156221c1d9fc7ade998ba053ad0c2be101e40023ff393</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Aerodynamics</topic><topic>Computational fluid dynamics</topic><topic>Contact angle</topic><topic>Flow velocity</topic><topic>Fluid flow</topic><topic>Mathematical models</topic><topic>Microchannels</topic><topic>Physics - Fluid Dynamics</topic><topic>Piezoelectricity</topic><topic>Reynolds averaged Navier-Stokes method</topic><topic>Steady flow</topic><topic>Two phase flow</topic><topic>Vibration</topic><topic>Wettability</topic><toplevel>online_resources</toplevel><creatorcontrib>Lu, Zhaokuan</creatorcontrib><creatorcontrib>Dupuis, Eric D</creatorcontrib><creatorcontrib>Patel, Viral K</creatorcontrib><creatorcontrib>Momen, Ayyoub M</creatorcontrib><creatorcontrib>Shima Shahab</creatorcontrib><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Access via ProQuest (Open Access)</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><collection>arXiv.org</collection><jtitle>arXiv.org</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lu, Zhaokuan</au><au>Dupuis, Eric D</au><au>Patel, Viral K</au><au>Momen, Ayyoub M</au><au>Shima Shahab</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Ultrasonic Oscillatory Two-phase Flow in Microchannels</atitle><jtitle>arXiv.org</jtitle><date>2020-12-07</date><risdate>2020</risdate><eissn>2331-8422</eissn><abstract>Experimental and numerical investigations are performed to provide an assessment of the transport behavior of an ultrasonic oscillatory two-phase flow in a microchannel. The work is inspired by the flow observed in an innovative ultrasonic fabric drying device using a piezoelectric bimorph transducer with microchannels, where a water-air two-phase flow is transported by harmonically oscillating microchannels. The flow exhibits highly unsteady behavior as the water and air interact with each other during the vibration cycles, making it significantly different from the well-studied steady flow in microchannels. The computational fluid dynamics (CFD) modeling is realized by combing the turbulence Reynolds-averaged Navier-Stokes (RANS) k-\({\omega}\) model with the phase-field method to resolve the dynamics of the two-phase flow. The numerical results are qualitatively validated by the experiment. Through parametric studies, we specifically examined the effects of vibration conditions (i.e., frequency and amplitude), microchannel taper angle, and wall surface contact angle (i.e., wettability) on the flow rate through the microchannel. 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subjects | Aerodynamics Computational fluid dynamics Contact angle Flow velocity Fluid flow Mathematical models Microchannels Physics - Fluid Dynamics Piezoelectricity Reynolds averaged Navier-Stokes method Steady flow Two phase flow Vibration Wettability |
title | Ultrasonic Oscillatory Two-phase Flow in Microchannels |
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