Please use this identifier to cite or link to this item:
https://doi.org/10.1002/fld.1899
DC Field | Value | |
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dc.title | A numerical technique for laminar swirling flow at the interface between porous and homogenous fluid domains | |
dc.contributor.author | Yu, P. | |
dc.contributor.author | Lee, T.S. | |
dc.contributor.author | Zeng, Y. | |
dc.contributor.author | Meguid, S.A. | |
dc.contributor.author | Low, H.T. | |
dc.date.accessioned | 2014-06-16T09:33:42Z | |
dc.date.available | 2014-06-16T09:33:42Z | |
dc.date.issued | 2009-05-30 | |
dc.identifier.citation | Yu, P., Lee, T.S., Zeng, Y., Meguid, S.A., Low, H.T. (2009-05-30). A numerical technique for laminar swirling flow at the interface between porous and homogenous fluid domains. International Journal for Numerical Methods in Fluids 60 (3) : 337-353. ScholarBank@NUS Repository. https://doi.org/10.1002/fld.1899 | |
dc.identifier.issn | 02712091 | |
dc.identifier.uri | http://scholarbank.nus.edu.sg/handle/10635/54685 | |
dc.description.abstract | There have been a few recent numerical implementations of the stress-jump condition at the interface of conjugate flows, which couple the governing equations for flows in the porous and homogenous fluid domains. These previous demonstration cases were for two-dimensional, planar flows with simple geometries, for example, flow over a porous layer or flow through a porous plug. The present study implements the interfacial stress-jump condition for a non-planar flow with three velocity components, which is more realistic in terms of practical flow applications. The steady, laminar, Newtonian flow in a stirred micro-bioreactor with a porous scaffold inside was investigated. It is shown how to implement the interfacial jump condition on the radial, axial, and swirling velocity components. To avoid a full threedimensional simulation, the flow is assumed to be independent of the azimuthal direction, which makes it an axisymmetric flow with a swirling velocity. The present interface treatment is suitable for non-flat surfaces, which is achieved by applying the finite volume method based on body-fitted and multi-block grids. The numerical simulations show that a vortex breakdown bubble, attached to the free surface, occurs above a certain Reynolds number. The presence of the porous scaffold delays the onset of vortex breakdown and confines it to a region above the scaffold. Copyright © 2008 John Wiley & Sons, Ltd. | |
dc.description.uri | http://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1002/fld.1899 | |
dc.source | Scopus | |
dc.subject | Block-structured grids | |
dc.subject | Porous medium | |
dc.subject | Porous-fluid interface | |
dc.subject | Stress jump | |
dc.subject | Swirling flow | |
dc.subject | Tissue-engineering scaffold | |
dc.type | Article | |
dc.contributor.department | MECHANICAL ENGINEERING | |
dc.contributor.department | TEMASEK LABORATORIES | |
dc.description.doi | 10.1002/fld.1899 | |
dc.description.sourcetitle | International Journal for Numerical Methods in Fluids | |
dc.description.volume | 60 | |
dc.description.issue | 3 | |
dc.description.page | 337-353 | |
dc.description.coden | IJNFD | |
dc.identifier.isiut | 000265996700006 | |
Appears in Collections: | Staff Publications |
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