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Interaction between the Flow in Two Nearby Pores within a Porous Material during Transitional and Turbulent Flow
The transition from laminar to turbulent flow in porous media is studied with a pore doublet model consisting of pipes with different diameter. The pressure drop over all pipes is recorded by pressure transducers for different flow rates. Results show that the flow in the parallel pipes is redistrib...
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| Published in: | Journal of Applied Fluid Mechanics 2015-04, Vol.8 (2), p.281-290 |
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| Main Authors: | , |
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| Language: | English |
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| cited_by | cdi_FETCH-LOGICAL-c511t-90452dc7106a1e081b475917c499e41fa9a28664330c6e287e8ad26eb19af1c73 |
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| container_end_page | 290 |
| container_issue | 2 |
| container_start_page | 281 |
| container_title | Journal of Applied Fluid Mechanics |
| container_volume | 8 |
| creator | Khayamyan, S Lundstrom, T S |
| description | The transition from laminar to turbulent flow in porous media is studied with a pore doublet model consisting of pipes with different diameter. The pressure drop over all pipes is recorded by pressure transducers for different flow rates. Results show that the flow in the parallel pipes is redistributed when turbulent slugs pass through one of them and six different flow zones were identified by studying the difference between the Re in the parallel pipes. Each flow zone starts when the flow regime of one of the pipe changes. Transitional flow of each pipe increases the correlation between different pipes pressure drop fluctuations. Frequency analysis of the pressure drops show that the larger pipe makes the system to oscillate by the presence of turbulent patches in its flow. However, when the flow in the smaller pipe enters into the transitional zone the larger pipe starts to follow the fluctuations of the smaller pipe. |
| doi_str_mv | 10.18869/acadpub.jafm.67.221.21446 |
| format | article |
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The pressure drop over all pipes is recorded by pressure transducers for different flow rates. Results show that the flow in the parallel pipes is redistributed when turbulent slugs pass through one of them and six different flow zones were identified by studying the difference between the Re in the parallel pipes. Each flow zone starts when the flow regime of one of the pipe changes. Transitional flow of each pipe increases the correlation between different pipes pressure drop fluctuations. Frequency analysis of the pressure drops show that the larger pipe makes the system to oscillate by the presence of turbulent patches in its flow. 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| ispartof | Journal of Applied Fluid Mechanics, 2015-04, Vol.8 (2), p.281-290 |
| issn | 1735-3572 1735-3645 1735-3645 |
| language | eng |
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| source | Publicly Available Content Database |
| subjects | Computational fluid dynamics Flow rates Flow velocity Fluctuation Fluctuations Fluid flow Fluid Mechanics Frequency analysis Laminar flow Pipe Pipe flow Pipes Pore doublet model Porous mateirals Porous materials Porous media Pressure Pressure drop Slugs Strömningslära Transducers Transitional flow Turbulence Turbulent flow |
| title | Interaction between the Flow in Two Nearby Pores within a Porous Material during Transitional and Turbulent Flow |
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