Pressure Drop for Low Reynolds-Number Flows Through Regular and Random Screens
Abstract Creeping flow through both regular and irregular screens was simulated by the lattice-Boltzmann method, and the dependence on screen porosity and Reynolds number of the pressure drop across the screen was analyzed. Regular structures were planar arrays of straight fibers or woven one-layer...
Ausführliche Beschreibung
Autor*in: |
Valli, A. [verfasserIn] |
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Format: |
Artikel |
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Sprache: |
Englisch |
Erschienen: |
2009 |
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Anmerkung: |
© Springer Science+Business Media B.V. 2009 |
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Übergeordnetes Werk: |
Enthalten in: Transport in porous media - Springer Netherlands, 1986, 80(2009), 2 vom: 20. Feb., Seite 193-208 |
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Übergeordnetes Werk: |
volume:80 ; year:2009 ; number:2 ; day:20 ; month:02 ; pages:193-208 |
Links: |
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DOI / URN: |
10.1007/s11242-009-9350-0 |
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OLC2054379387 |
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520 | |a Abstract Creeping flow through both regular and irregular screens was simulated by the lattice-Boltzmann method, and the dependence on screen porosity and Reynolds number of the pressure drop across the screen was analyzed. Regular structures were planar arrays of straight fibers or woven one-layer structures. The irregular planar structures were composed of randomly located and oriented fibers of finite length. A simple function of screen porosity based on partly numerical scaling arguments was found to describe accurately the simulated pressure drop across all regular screens. Due to their bigger surface area, the flow resistance of woven screens was found to be about 15% larger than that of regular planar screens with the same porosity. The pressure drop across irregular planar screens was found to be described by the same screen-porosity function with a slightly different ‘scaling’ exponent which thus appears to be dependent on the structure of the screen. The flow resistance of irregular structures was found to be clearly smaller than that of regular structures because of channelling of the flow through very few largest pores. | ||
650 | 4 | |a Creeping flow | |
650 | 4 | |a Lattice–Boltzmann method | |
650 | 4 | |a Random screens | |
650 | 4 | |a Regular screens | |
650 | 4 | |a Flow resistance | |
700 | 1 | |a Hyväluoma, J. |4 aut | |
700 | 1 | |a Jäsberg, A. |4 aut | |
700 | 1 | |a Koponen, A. |4 aut | |
700 | 1 | |a Timonen, J. |4 aut | |
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10.1007/s11242-009-9350-0 doi (DE-627)OLC2054379387 (DE-He213)s11242-009-9350-0-p DE-627 ger DE-627 rakwb eng 530 VZ Valli, A. verfasserin aut Pressure Drop for Low Reynolds-Number Flows Through Regular and Random Screens 2009 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media B.V. 2009 Abstract Creeping flow through both regular and irregular screens was simulated by the lattice-Boltzmann method, and the dependence on screen porosity and Reynolds number of the pressure drop across the screen was analyzed. Regular structures were planar arrays of straight fibers or woven one-layer structures. The irregular planar structures were composed of randomly located and oriented fibers of finite length. A simple function of screen porosity based on partly numerical scaling arguments was found to describe accurately the simulated pressure drop across all regular screens. Due to their bigger surface area, the flow resistance of woven screens was found to be about 15% larger than that of regular planar screens with the same porosity. The pressure drop across irregular planar screens was found to be described by the same screen-porosity function with a slightly different ‘scaling’ exponent which thus appears to be dependent on the structure of the screen. The flow resistance of irregular structures was found to be clearly smaller than that of regular structures because of channelling of the flow through very few largest pores. Creeping flow Lattice–Boltzmann method Random screens Regular screens Flow resistance Hyväluoma, J. aut Jäsberg, A. aut Koponen, A. aut Timonen, J. aut Enthalten in Transport in porous media Springer Netherlands, 1986 80(2009), 2 vom: 20. Feb., Seite 193-208 (DE-627)129206105 (DE-600)54858-3 (DE-576)014457431 0169-3913 nnns volume:80 year:2009 number:2 day:20 month:02 pages:193-208 https://doi.org/10.1007/s11242-009-9350-0 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_70 GBV_ILN_100 GBV_ILN_2006 AR 80 2009 2 20 02 193-208 |
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10.1007/s11242-009-9350-0 doi (DE-627)OLC2054379387 (DE-He213)s11242-009-9350-0-p DE-627 ger DE-627 rakwb eng 530 VZ Valli, A. verfasserin aut Pressure Drop for Low Reynolds-Number Flows Through Regular and Random Screens 2009 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media B.V. 2009 Abstract Creeping flow through both regular and irregular screens was simulated by the lattice-Boltzmann method, and the dependence on screen porosity and Reynolds number of the pressure drop across the screen was analyzed. Regular structures were planar arrays of straight fibers or woven one-layer structures. The irregular planar structures were composed of randomly located and oriented fibers of finite length. A simple function of screen porosity based on partly numerical scaling arguments was found to describe accurately the simulated pressure drop across all regular screens. Due to their bigger surface area, the flow resistance of woven screens was found to be about 15% larger than that of regular planar screens with the same porosity. The pressure drop across irregular planar screens was found to be described by the same screen-porosity function with a slightly different ‘scaling’ exponent which thus appears to be dependent on the structure of the screen. The flow resistance of irregular structures was found to be clearly smaller than that of regular structures because of channelling of the flow through very few largest pores. Creeping flow Lattice–Boltzmann method Random screens Regular screens Flow resistance Hyväluoma, J. aut Jäsberg, A. aut Koponen, A. aut Timonen, J. aut Enthalten in Transport in porous media Springer Netherlands, 1986 80(2009), 2 vom: 20. Feb., Seite 193-208 (DE-627)129206105 (DE-600)54858-3 (DE-576)014457431 0169-3913 nnns volume:80 year:2009 number:2 day:20 month:02 pages:193-208 https://doi.org/10.1007/s11242-009-9350-0 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_70 GBV_ILN_100 GBV_ILN_2006 AR 80 2009 2 20 02 193-208 |
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10.1007/s11242-009-9350-0 doi (DE-627)OLC2054379387 (DE-He213)s11242-009-9350-0-p DE-627 ger DE-627 rakwb eng 530 VZ Valli, A. verfasserin aut Pressure Drop for Low Reynolds-Number Flows Through Regular and Random Screens 2009 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media B.V. 2009 Abstract Creeping flow through both regular and irregular screens was simulated by the lattice-Boltzmann method, and the dependence on screen porosity and Reynolds number of the pressure drop across the screen was analyzed. Regular structures were planar arrays of straight fibers or woven one-layer structures. The irregular planar structures were composed of randomly located and oriented fibers of finite length. A simple function of screen porosity based on partly numerical scaling arguments was found to describe accurately the simulated pressure drop across all regular screens. Due to their bigger surface area, the flow resistance of woven screens was found to be about 15% larger than that of regular planar screens with the same porosity. The pressure drop across irregular planar screens was found to be described by the same screen-porosity function with a slightly different ‘scaling’ exponent which thus appears to be dependent on the structure of the screen. The flow resistance of irregular structures was found to be clearly smaller than that of regular structures because of channelling of the flow through very few largest pores. Creeping flow Lattice–Boltzmann method Random screens Regular screens Flow resistance Hyväluoma, J. aut Jäsberg, A. aut Koponen, A. aut Timonen, J. aut Enthalten in Transport in porous media Springer Netherlands, 1986 80(2009), 2 vom: 20. Feb., Seite 193-208 (DE-627)129206105 (DE-600)54858-3 (DE-576)014457431 0169-3913 nnns volume:80 year:2009 number:2 day:20 month:02 pages:193-208 https://doi.org/10.1007/s11242-009-9350-0 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_70 GBV_ILN_100 GBV_ILN_2006 AR 80 2009 2 20 02 193-208 |
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10.1007/s11242-009-9350-0 doi (DE-627)OLC2054379387 (DE-He213)s11242-009-9350-0-p DE-627 ger DE-627 rakwb eng 530 VZ Valli, A. verfasserin aut Pressure Drop for Low Reynolds-Number Flows Through Regular and Random Screens 2009 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media B.V. 2009 Abstract Creeping flow through both regular and irregular screens was simulated by the lattice-Boltzmann method, and the dependence on screen porosity and Reynolds number of the pressure drop across the screen was analyzed. Regular structures were planar arrays of straight fibers or woven one-layer structures. The irregular planar structures were composed of randomly located and oriented fibers of finite length. A simple function of screen porosity based on partly numerical scaling arguments was found to describe accurately the simulated pressure drop across all regular screens. Due to their bigger surface area, the flow resistance of woven screens was found to be about 15% larger than that of regular planar screens with the same porosity. The pressure drop across irregular planar screens was found to be described by the same screen-porosity function with a slightly different ‘scaling’ exponent which thus appears to be dependent on the structure of the screen. The flow resistance of irregular structures was found to be clearly smaller than that of regular structures because of channelling of the flow through very few largest pores. Creeping flow Lattice–Boltzmann method Random screens Regular screens Flow resistance Hyväluoma, J. aut Jäsberg, A. aut Koponen, A. aut Timonen, J. aut Enthalten in Transport in porous media Springer Netherlands, 1986 80(2009), 2 vom: 20. Feb., Seite 193-208 (DE-627)129206105 (DE-600)54858-3 (DE-576)014457431 0169-3913 nnns volume:80 year:2009 number:2 day:20 month:02 pages:193-208 https://doi.org/10.1007/s11242-009-9350-0 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_70 GBV_ILN_100 GBV_ILN_2006 AR 80 2009 2 20 02 193-208 |
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10.1007/s11242-009-9350-0 doi (DE-627)OLC2054379387 (DE-He213)s11242-009-9350-0-p DE-627 ger DE-627 rakwb eng 530 VZ Valli, A. verfasserin aut Pressure Drop for Low Reynolds-Number Flows Through Regular and Random Screens 2009 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media B.V. 2009 Abstract Creeping flow through both regular and irregular screens was simulated by the lattice-Boltzmann method, and the dependence on screen porosity and Reynolds number of the pressure drop across the screen was analyzed. Regular structures were planar arrays of straight fibers or woven one-layer structures. The irregular planar structures were composed of randomly located and oriented fibers of finite length. A simple function of screen porosity based on partly numerical scaling arguments was found to describe accurately the simulated pressure drop across all regular screens. Due to their bigger surface area, the flow resistance of woven screens was found to be about 15% larger than that of regular planar screens with the same porosity. The pressure drop across irregular planar screens was found to be described by the same screen-porosity function with a slightly different ‘scaling’ exponent which thus appears to be dependent on the structure of the screen. The flow resistance of irregular structures was found to be clearly smaller than that of regular structures because of channelling of the flow through very few largest pores. Creeping flow Lattice–Boltzmann method Random screens Regular screens Flow resistance Hyväluoma, J. aut Jäsberg, A. aut Koponen, A. aut Timonen, J. aut Enthalten in Transport in porous media Springer Netherlands, 1986 80(2009), 2 vom: 20. Feb., Seite 193-208 (DE-627)129206105 (DE-600)54858-3 (DE-576)014457431 0169-3913 nnns volume:80 year:2009 number:2 day:20 month:02 pages:193-208 https://doi.org/10.1007/s11242-009-9350-0 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_70 GBV_ILN_100 GBV_ILN_2006 AR 80 2009 2 20 02 193-208 |
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abstract |
Abstract Creeping flow through both regular and irregular screens was simulated by the lattice-Boltzmann method, and the dependence on screen porosity and Reynolds number of the pressure drop across the screen was analyzed. Regular structures were planar arrays of straight fibers or woven one-layer structures. The irregular planar structures were composed of randomly located and oriented fibers of finite length. A simple function of screen porosity based on partly numerical scaling arguments was found to describe accurately the simulated pressure drop across all regular screens. Due to their bigger surface area, the flow resistance of woven screens was found to be about 15% larger than that of regular planar screens with the same porosity. The pressure drop across irregular planar screens was found to be described by the same screen-porosity function with a slightly different ‘scaling’ exponent which thus appears to be dependent on the structure of the screen. The flow resistance of irregular structures was found to be clearly smaller than that of regular structures because of channelling of the flow through very few largest pores. © Springer Science+Business Media B.V. 2009 |
abstractGer |
Abstract Creeping flow through both regular and irregular screens was simulated by the lattice-Boltzmann method, and the dependence on screen porosity and Reynolds number of the pressure drop across the screen was analyzed. Regular structures were planar arrays of straight fibers or woven one-layer structures. The irregular planar structures were composed of randomly located and oriented fibers of finite length. A simple function of screen porosity based on partly numerical scaling arguments was found to describe accurately the simulated pressure drop across all regular screens. Due to their bigger surface area, the flow resistance of woven screens was found to be about 15% larger than that of regular planar screens with the same porosity. The pressure drop across irregular planar screens was found to be described by the same screen-porosity function with a slightly different ‘scaling’ exponent which thus appears to be dependent on the structure of the screen. The flow resistance of irregular structures was found to be clearly smaller than that of regular structures because of channelling of the flow through very few largest pores. © Springer Science+Business Media B.V. 2009 |
abstract_unstemmed |
Abstract Creeping flow through both regular and irregular screens was simulated by the lattice-Boltzmann method, and the dependence on screen porosity and Reynolds number of the pressure drop across the screen was analyzed. Regular structures were planar arrays of straight fibers or woven one-layer structures. The irregular planar structures were composed of randomly located and oriented fibers of finite length. A simple function of screen porosity based on partly numerical scaling arguments was found to describe accurately the simulated pressure drop across all regular screens. Due to their bigger surface area, the flow resistance of woven screens was found to be about 15% larger than that of regular planar screens with the same porosity. The pressure drop across irregular planar screens was found to be described by the same screen-porosity function with a slightly different ‘scaling’ exponent which thus appears to be dependent on the structure of the screen. The flow resistance of irregular structures was found to be clearly smaller than that of regular structures because of channelling of the flow through very few largest pores. © Springer Science+Business Media B.V. 2009 |
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Pressure Drop for Low Reynolds-Number Flows Through Regular and Random Screens |
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https://doi.org/10.1007/s11242-009-9350-0 |
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Hyväluoma, J. Jäsberg, A. Koponen, A. Timonen, J. |
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