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@PHDTHESIS{Pelzer:58177,
      author       = {Pelzer, Mark},
      othercontributors = {Sahm, Peter R.},
      title        = {{O}ptimierung der {K}ernherstellung durch numerische
                      {S}imulation},
      address      = {Aachen},
      publisher    = {Publikationsserver der RWTH Aachen University},
      reportid     = {RWTH-CONV-120113},
      pages        = {XXVIII, 105 S. : Ill., graph. Darst.},
      year         = {2000},
      note         = {Prüfungsjahr: 2000. - Publikationsjahr: 2001; Aachen,
                      Techn. Hochsch., Diss., 2000},
      abstract     = {The core shooting process is based on the sudden expansion
                      of a limited compressed air volume, which shoots the molding
                      material into the core box with high velocity. Apart from
                      the mould filling the purpose is to release an adequate
                      compression of the molding material. During the entire time
                      it is necessary to draw off the air by means of venting
                      lines, which are situated in the walls of the core box.
                      Thereby, the positioning of the venting lines is of main
                      interest. With the use of a numerical simulation it should
                      be possible to create the core box layouts for every
                      geometry and size without previous time consuming
                      experiments. The simulation presented in this work is based
                      on the iterative solution of a two phase flow, in which the
                      fluid phase is air and the solid phase is granular. The
                      Eulerian formulation serves as a basis of design, which
                      treats both phases as a continuum. The coupled differential
                      equations to be resolved are, for one the continuity
                      conservation equations (mass balances) and, secondly the
                      momentum conservation equations for both phases. Fundamental
                      knowledge about the flow behavior in the core box is
                      necessary to carry out this simulation. The volume fraction
                      of the sand and the entry velocity into the core box of both
                      phases must be determined experimentally. With these
                      boundary conditions first, two dimensional simulation
                      results are available for different geometries.},
      cin          = {500000},
      ddc          = {530},
      cid          = {$I:(DE-82)500000_20140620$},
      typ          = {PUB:(DE-HGF)11},
      urn          = {urn:nbn:de:hbz:82-opus-1352},
      url          = {https://publications.rwth-aachen.de/record/58177},
}