Computational characterization of turbulent flow in a microfluidic actuator

dc.creatorLain Beatove, Santiago
dc.creatorLozano Parada, Jaime H.
dc.creatorGuzmán, Javier
dc.date.accessioned2023-05-04T20:21:11Z
dc.date.accessioned2023-06-06T14:27:29Z
dc.date.available2023-05-04T20:21:11Z
dc.date.available2023-06-06T14:27:29Z
dc.date.created2023-05-04T20:21:11Z
dc.date.issued2022-04
dc.identifier20763417
dc.identifierhttps://hdl.handle.net/10614/14697
dc.identifierUniversidad Autónoma de Occidente
dc.identifierRepositorio Educativo Digital UAO
dc.identifierhttps://red.uao.edu.co/
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/6649375
dc.description.abstractIn this contribution, an unsteady numerical simulation of the flow in a microfluidic oscillator has been performed. The transient turbulent flow inside the device is described by the Unsteady Reynolds Averaged Navier–Stokes equations (URANS) coupled with proper turbulence models. The main characteristics of the complex fluid flow inside the device along one oscillation cycle was analyzed in detail, including not only velocity contours but also the pressure and turbulent kinetic energy fields. As a result, two-dimensional simulations provided good estimations of the operating frequency of the fluidic actuator when compared with experimental measurements in a range of Reynolds numbers. Moreover, with the objective of altering the operating frequency of the apparatus and, in order to adapt it to different applications, geometrical modifications of the feedback channels were proposed and evaluated. Finally, a fully three-dimensional simulation was carried out, which allowed for the identification of intricate coherent structures revealing the complexity of the turbulent flow dynamics inside the fluidic oscillator
dc.languageeng
dc.publisherMDPI
dc.publisherBasel, Suiza
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dc.relationLaín Beatove, S., Lozano Parada, J.H., Guzmán, J. (2022). Computational Characterization of Turbulent Flow in a Microfluidic Actuator. Applied sciences, vol. 12,(7), pp. 1-16
dc.relationApplied sciences
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dc.rightshttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.rightsinfo:eu-repo/semantics/openAccess
dc.rightsAtribución-NoComercial-SinDerivadas 4.0 Internacional (CC BY-NC-ND 4.0)
dc.rightsDerechos reservados - MDPI, 2022
dc.titleComputational characterization of turbulent flow in a microfluidic actuator
dc.typeArtículo de revista


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