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dc.contributor.authorKanchan M.
dc.contributor.authorManiyeri R.
dc.date.accessioned2021-05-05T10:30:37Z-
dc.date.available2021-05-05T10:30:37Z-
dc.date.issued2020
dc.identifier.citationRecent Patents on Mechanical Engineering Vol. 13 , 2 , p. 118 - 125en_US
dc.identifier.urihttps://doi.org/10.2174/2212797613666200207111629
dc.identifier.urihttp://idr.nitk.ac.in/jspui/handle/123456789/16482-
dc.description.abstractBackground: Fluid flow in microchannels is restricted to low Reynolds number regimes and hence inducing chaotic mixing in such devices is a major challenge. Over the years, the Immersed Boundary Method (IBM) has proved its ability in handling complex fluid-structure interaction prob-lems. Objectives: Inspired by recent patents in microchannel mixing devices, we study passive mixing effects by performing two-dimensional numerical simulations of wavy wall in channel flow using IBM. Methods: The continuity and Navier-Stokes equations governing the flow are solved by fractional step based finite volume method on a staggered Cartesian grid system. Fluid variables are described by Eulerian coordinates and solid boundary by Lagrangian coordinates. A four-point Dirac delta function is used to couple both the coordinate variables. A momentum forcing term is added to the governing equation in order to impose the no-slip boundary condition between the wavy wall and fluid interface. Results: Parametric study is carried out to analyze the fluid flow characteristics by varying amplitude and wavelength of wavy wall configurations for different Reynolds number. Conclusion: Configurations of wavy wall microchannels having a higher amplitude and lower wavelengths show optimum results for mixing applications. © 2020 Bentham Science Publishers.en_US
dc.titleNumerical simulation of flow in a wavy wall microchannel using immersed boundary methoden_US
dc.typeArticleen_US
Appears in Collections:1. Journal Articles

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