Spatially-resolved 3ω thermal flow sensing for microfluidics and biology

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dc.contributor.authorCheradame N
dc.contributor.authorCalius E
dc.contributor.authorMeffan, Robert Claude
dc.contributor.authorSellier, Mathieu
dc.contributor.authorNock, Volker
dc.date.accessioned2022-05-19T23:03:18Z
dc.date.available2022-05-19T23:03:18Z
dc.date.issued2019en
dc.date.updated2022-02-16T02:53:58Z
dc.description.abstractThis paper reports an alternating current (AC) thermal flow sensor, based on the 3ω method, capable of measuring fluid flow in stacked microfluidic channels and through separating membranes. The measurement concept is tested in a triple-layer polydimethylsiloxane (PDMS) device containing two parallel channels separated by a membrane. A 3ω element integrated into the bottom channel was used to determine the flow direction and magnitude in both channels. Our results show that the phase of the temperature wave is linked not only to fluid velocity, but the physical dimensions of the channel, thus providing a novel non-contact tool to probe fluid flows.en
dc.identifier.citationMeffan C, Cheradame N, Sellier M, Calius E, Nock V (2019). Spatially-resolved 3ω thermal flow sensing for microfluidics and biology. Berlin, Germany: 20th International Conference on Solid-State Sensors, Actuators and Microsystems & Eurosensors XXXIII (TRANSDUCERS & EUROSENSORS XXXIII). 23/06/2019-27/06/2019. TRANSDUCERS & EUROSENSORS XXXIII Proceedings. 1917-1920.en
dc.identifier.doihttp://doi.org/10.1109/TRANSDUCERS.2019.8808304
dc.identifier.isbn9781728120072
dc.identifier.urihttps://hdl.handle.net/10092/103717
dc.language.isoenen
dc.publisherIEEEen
dc.rightsAll rights reserved unless otherwise stateden
dc.rights.urihttp://hdl.handle.net/10092/17651en
dc.subjectFlow Sensingen
dc.subject3ω Methoden
dc.subjectThermal Penetration Depthen
dc.subjectPolydimethylsiloxane Microfluidicsen
dc.subject.anzsrcFields of Research::40 - Engineering::4012 - Fluid mechanics and thermal engineering::401210 - Microfluidics and nanofluidicsen
dc.subject.anzsrcFields of Research::40 - Engineering::4017 - Mechanical engineering::401705 - Microelectromechanical systems (MEMS)en
dc.subject.anzsrcFields of Research::40 - Engineering::4012 - Fluid mechanics and thermal engineering::401205 - Experimental methods in fluid flow, heat and mass transferen
dc.subject.anzsrcFields of Research::40 - Engineering::4009 - Electronics, sensors and digital hardware::400908 - Microelectronicsen
dc.titleSpatially-resolved 3ω thermal flow sensing for microfluidics and biologyen
dc.typeConference Contributions - Publisheden
uc.collegeFaculty of Engineering
uc.departmentElectrical and Computer Engineering
uc.departmentMechanical Engineering
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