Experimental modelling of hydraulic parameters for fluid flow in stratified porous media
AbstractFrom works in in-situ seepage through dams and laboratory experiments using Layered Heterogeneous Porous Media (LHPM), it has been noted that a refraction-like phenomenon, such as that experienced in light, affects fluids’ flowlines when crossing the contact interface of layers characterised...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
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Taylor & Francis Group
2023-12-01
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| Series: | Cogent Engineering |
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| Online Access: | https://www.tandfonline.com/doi/10.1080/23311916.2023.2166296 |
| _version_ | 1797299209138864128 |
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| author | O.O. Alabi I.A. Akanni S.O. Sedara |
| author_facet | O.O. Alabi I.A. Akanni S.O. Sedara |
| author_sort | O.O. Alabi |
| collection | DOAJ |
| description | AbstractFrom works in in-situ seepage through dams and laboratory experiments using Layered Heterogeneous Porous Media (LHPM), it has been noted that a refraction-like phenomenon, such as that experienced in light, affects fluids’ flowlines when crossing the contact interface of layers characterised by different porosity viz-a-viz permeability. This concept has many applications in fluid dynamics, such as the dispersion process in stratified media. Currently, no study exists that models and analyses the relationship between the porosities of two layers in contact and the resulting flowline refraction using validated LHPM data. Hence, this work aims to establish a relationship between the porosity ratio [Formula: see text] of stratified media made up of two layers and the refraction angle [Formula: see text] of the maximum volume flux [Formula: see text]. Volume flux data from the flow of a single-phase fluid through five LHPMs with [Formula: see text] ranging from 0.8325 to 0.9524 were used in the modelling. The flow was oriented from the lower to the higher porosity vis-à-vis permeability layer. It was found that [Formula: see text] which is also the refraction angle of the peak solute plume flux, refracts away from the normal as [Formula: see text] reduces. This indicates an increase in the dilution rate vis-à-vis spread of plumes with the reduction in homogeneity between the two layers. Also, [Formula: see text] does not correlate with the stratification inclination [Formula: see text], but the [Formula: see text] which is also the peak solute plume flux correlates with [Formula: see text]. Furthermore, an efficient model, which is the best-unbiased estimator, with [Formula: see text] was derived. Findings from this work can help better understand solute plume dispersion and the general fluid flow dynamics in stratified media such as capillary barrier effect covers for pollution control and hydrocarbon reservoirs. |
| first_indexed | 2024-03-07T22:47:23Z |
| format | Article |
| id | doaj.art-34ef69ff1d654d189aa07f72563fe173 |
| institution | Directory Open Access Journal |
| issn | 2331-1916 |
| language | English |
| last_indexed | 2024-03-07T22:47:23Z |
| publishDate | 2023-12-01 |
| publisher | Taylor & Francis Group |
| record_format | Article |
| series | Cogent Engineering |
| spelling | doaj.art-34ef69ff1d654d189aa07f72563fe1732024-02-23T15:01:40ZengTaylor & Francis GroupCogent Engineering2331-19162023-12-0110110.1080/23311916.2023.2166296Experimental modelling of hydraulic parameters for fluid flow in stratified porous mediaO.O. Alabi0I.A. Akanni1S.O. Sedara2Department of Physics, Osun State University, Osogbo, NigeriaDepartment of Physics, Osun State University, Osogbo, NigeriaDepartment of Physics and Electronics, Adekunle Ajasin University, Akungba-Akoko, NigeriaAbstractFrom works in in-situ seepage through dams and laboratory experiments using Layered Heterogeneous Porous Media (LHPM), it has been noted that a refraction-like phenomenon, such as that experienced in light, affects fluids’ flowlines when crossing the contact interface of layers characterised by different porosity viz-a-viz permeability. This concept has many applications in fluid dynamics, such as the dispersion process in stratified media. Currently, no study exists that models and analyses the relationship between the porosities of two layers in contact and the resulting flowline refraction using validated LHPM data. Hence, this work aims to establish a relationship between the porosity ratio [Formula: see text] of stratified media made up of two layers and the refraction angle [Formula: see text] of the maximum volume flux [Formula: see text]. Volume flux data from the flow of a single-phase fluid through five LHPMs with [Formula: see text] ranging from 0.8325 to 0.9524 were used in the modelling. The flow was oriented from the lower to the higher porosity vis-à-vis permeability layer. It was found that [Formula: see text] which is also the refraction angle of the peak solute plume flux, refracts away from the normal as [Formula: see text] reduces. This indicates an increase in the dilution rate vis-à-vis spread of plumes with the reduction in homogeneity between the two layers. Also, [Formula: see text] does not correlate with the stratification inclination [Formula: see text], but the [Formula: see text] which is also the peak solute plume flux correlates with [Formula: see text]. Furthermore, an efficient model, which is the best-unbiased estimator, with [Formula: see text] was derived. Findings from this work can help better understand solute plume dispersion and the general fluid flow dynamics in stratified media such as capillary barrier effect covers for pollution control and hydrocarbon reservoirs.https://www.tandfonline.com/doi/10.1080/23311916.2023.2166296capillary barrier effectlayered porous mediaporositypreferential flowdispersion |
| spellingShingle | O.O. Alabi I.A. Akanni S.O. Sedara Experimental modelling of hydraulic parameters for fluid flow in stratified porous media Cogent Engineering capillary barrier effect layered porous media porosity preferential flow dispersion |
| title | Experimental modelling of hydraulic parameters for fluid flow in stratified porous media |
| title_full | Experimental modelling of hydraulic parameters for fluid flow in stratified porous media |
| title_fullStr | Experimental modelling of hydraulic parameters for fluid flow in stratified porous media |
| title_full_unstemmed | Experimental modelling of hydraulic parameters for fluid flow in stratified porous media |
| title_short | Experimental modelling of hydraulic parameters for fluid flow in stratified porous media |
| title_sort | experimental modelling of hydraulic parameters for fluid flow in stratified porous media |
| topic | capillary barrier effect layered porous media porosity preferential flow dispersion |
| url | https://www.tandfonline.com/doi/10.1080/23311916.2023.2166296 |
| work_keys_str_mv | AT ooalabi experimentalmodellingofhydraulicparametersforfluidflowinstratifiedporousmedia AT iaakanni experimentalmodellingofhydraulicparametersforfluidflowinstratifiedporousmedia AT sosedara experimentalmodellingofhydraulicparametersforfluidflowinstratifiedporousmedia |