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@ARTICLE{Persson:875241,
      author       = {Persson, Bo},
      title        = {{I}nterfacial fluid flow for systems with anisotropic
                      roughness},
      journal      = {The European physical journal / E},
      volume       = {43},
      number       = {5},
      issn         = {1292-8941},
      address      = {Heidelberg},
      publisher    = {Springer},
      reportid     = {FZJ-2020-01890},
      pages        = {25},
      year         = {2020},
      abstract     = {I discuss fluid flow at the interface between solids with
                      anisotropic roughness. I show that the Bruggeman effective
                      medium theory and the critical junction theory give nearly
                      the same results for the fluid flow conductivity. This shows
                      that, in most cases, the surface roughness observed at high
                      magnification is irrelevant for fluid flow problems such as
                      the leakage of static seals, and fluid squeeze-out. The
                      effective medium theory predicts that the fluid flow
                      conductivity vanishes at the relative contact area A/A0 =
                      0.5 independent of the anisotropy. However, the effective
                      medium theory does not solve the elastic contact mechanics
                      problem but is based on a purely geometric argument. Thus,
                      for anisotropic roughness the contact area may percolate at
                      different values of A/A0 depending on the direction. We
                      discuss how this may be taken into account in the effective
                      medium and critical junction theories.},
      cin          = {PGI-1 / IAS-1},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-1-20110106 / I:(DE-Juel1)IAS-1-20090406},
      pnm          = {141 - Controlling Electron Charge-Based Phenomena
                      (POF3-141)},
      pid          = {G:(DE-HGF)POF3-141},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:32445009},
      UT           = {WOS:000537111500002},
      doi          = {10.1140/epje/i2020-11951-2},
      url          = {https://juser.fz-juelich.de/record/875241},
}