Feasibility study of a crs4 alternative spallation target for fastef

This document gathers some information on the free surface simulations with starccmV4.06 of preliminary versions of a CRS4 spallation target outsider candidate for the XT-ADS or FASTEF spallation target. The initial attempts are shortly illustrated and motivations for the changes are given. Once reasonably satisfied with the geometry, we test a rather simple condensation/sharpening algorithm on rather stiff operating conditions. Several variants, always based on a source/sink term for the light phase, are tested, systematically showing a degradation of the algorithm performances from the original algorithm. Finally, a full 3D loop of a potential candidate as spallation target with a sharp highly transient free-surface and a simplified thermal coupling is described and commented.

@TechReport{MO10e,
  author       = {Moreau, V.},
  title        = {Feasibility study of a crs4 alternative spallation target for fastef},
  institution  = {CRS4, Center for Advanced Studies, Research and Development in Sardinia},
  number       = {10/56},
  month        = {july},
  year         = {2010},
  address      = {Cagliari, Italy},
  note         = {idxproject: THINS},
  type         = {techreport},
  keywords     = {CFD, spallation target, free surface},
  url          = {https://publications.crs4.it/pubdocs/2010/MO10e},
}