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@ARTICLE{Lustfeld:60616,
      author       = {Lustfeld, H. and Reißel, M. and Schmidt, U. and Steffen,
                      B.},
      title        = {{R}econstruction of {E}lectric {C}urrents in a {F}uel
                      {C}ell by {M}agnetic {F}ield {M}easurements},
      journal      = {Journal of fuel cell science and technology},
      volume       = {6},
      issn         = {1550-624X},
      address      = {New York, NY},
      publisher    = {ASME},
      reportid     = {PreJuSER-60616},
      pages        = {021012 - 021020},
      year         = {2009},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {In this paper the tomographic problem arising in the
                      diagnostics of a fuel cell is discussed. This is concerned
                      with how well the electric current density j(r) be
                      reconstructed by measuring its external magnetic field. We
                      show that (i) exploiting the fact that the current density
                      has to comply with Maxwell's equations it can, in fact, be
                      reconstructed at least up to a certain resolution, (ii) the
                      functional connection between the resolution of the current
                      density and the relative precision of the measurement
                      devices can be obtained, and (iii) a procedure can be
                      applied to determine the optimum measuring positions,
                      essentially decreasing the number of measuring points and
                      thus the time scale of measurable dynamical
                      perturbations-without a loss of fine resolution. We present
                      explicit results for (i)-(iii) by applying our formulas to a
                      realistic case of an experimental direct methanol fuel
                      cell.},
      keywords     = {J (WoSType)},
      cin          = {IFF-1 / JSC},
      ddc          = {620},
      cid          = {I:(DE-Juel1)VDB781 / I:(DE-Juel1)JSC-20090406},
      pnm          = {Scientific Computing / Kondensierte Materie},
      pid          = {G:(DE-Juel1)FUEK411 / G:(DE-Juel1)FUEK414},
      shelfmark    = {Electrochemistry / Energy $\&$ Fuels},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000264024900013},
      doi          = {10.1115/1.2972171},
      url          = {https://juser.fz-juelich.de/record/60616},
}