Experimental investigation of the pre–Darcy regime

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dc.contributor.authorBoettcher, Konrad E. R.
dc.contributor.authorFischer, Michael-David
dc.contributor.authorNeumann, Tim
dc.contributor.authorEhrhard, Peter
dc.date.accessioned2023-06-19T13:52:29Z
dc.date.available2023-06-19T13:52:29Z
dc.date.issued2022-02-02
dc.description.abstractThe validity of Darcy’s law at very low Reynolds numbers is discussed controversially in literature, as some authors propose a pre–Darcy flow regime below some critical Reynolds number. The scope of this work is to investigate this problem experimentally. Therefore, a packing of glass spheres is perfused by different glycerin–water solutions. A linear behaviour between the flow velocity and the pressure drop through the packed spheres is found in the complete investigated range of Reynolds number Red′, based on the mean-pore diameter d′ and mean-pore velocity v′ with 10−9≤Red′≤10−1. This contradicts the results of different authors like Fand et al. (1987) or Kececioglu and Jiang (1994), postulating a pre–Darcy regime for Red′≤2.8⋅10−6 or Red′≤0.13, respectively.en
dc.identifier.urihttp://hdl.handle.net/2003/41825
dc.identifier.urihttp://dx.doi.org/10.17877/DE290R-23669
dc.language.isoende
dc.relation.ispartofseriesExperiments in fluids;63(2)
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/de
dc.subject.ddc660
dc.titleExperimental investigation of the pre–Darcy regimeen
dc.typeTextde
dc.type.publicationtypearticlede
dcterms.accessRightsopen access
eldorado.secondarypublicationtruede
eldorado.secondarypublication.primarycitationBoettcher, K.E.R., Fischer, MD., Neumann, T. et al. Experimental investigation of the pre–Darcy regime. Exp Fluids 63, 42 (2022). https://doi.org/10.1007/s00348-022-03387-9de
eldorado.secondarypublication.primaryidentifierhttps://doi.org/10.1007/s00348-022-03387-9de

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