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@INPROCEEDINGS{Baggemann:877652,
      author       = {Baggemann, Johannes and Zakalek, P. and Doege, P-E. and
                      Mauerhofer, E. and Rücker, U. and Li, Jingjing and
                      Gutberlet, T. and Brückel, T.},
      title        = {{C}ooling of high power targets},
      reportid     = {FZJ-2020-02365},
      year         = {2020},
      abstract     = {In recent years, the interest in compact,
                      accelerator-driven neutron sources (CANS) has increased
                      worldwide, especially with regard to the increasing shutdown
                      of existing fission-based neutron sources. The focus of
                      interest is shifting more and more from low-flux university
                      scale CANS to powerful high-flux CANS that have the
                      potential to replace current national neutron sources. One
                      of the key components on the way from compact low flux
                      neutron sources to compact high flux neutron sources is the
                      neutron target. Unique requirements are placed on the
                      target, consisting of low ion energies in the range of 70
                      MeV at high ion fluxes up to 100 mA, maximal neutron yield
                      and minimal surface area. These requirements lead among
                      other things to extreme thermal power densities and stresses
                      within the target and therefore the heat dissipation of the
                      target can become a bottleneck for the entire facility in
                      terms of power and reliability. Currently, different
                      approaches to cool the target are being investigated in the
                      different CANS projects, e.g. liquid targets or high
                      temperature targets. The JÜLICH HBS project focuses on a
                      solid target with an adjusted micro channel structure.
                      Theoretical considerations and simulations indicate a
                      possible power density above 1000 W/cm² at a total power of
                      100 kW, experimental proofs are currently being prepared.
                      The fluid dynamics and structural mechanics simulations of
                      of the target were performed with the commercial ANSYS
                      software. The simulations for the target cooling will be
                      presented at the workshop.},
      month         = {Jun},
      date          = {2020-06-22},
      organization  = {The Japanese RIKEN Center for Advanced
                       Photonics (RAP) and the Jülich Centre
                       for Neutron Science (JCNS) fourth joint
                       workshop on compact accelerator-driven
                       neutron sources (CANS) special webinar,
                       Forschungszentrum Jülich (Germany), 22
                       Jun 2020 - 24 Jun 2020},
      subtyp        = {Invited},
      cin          = {JCNS-2 / PGI-4 / JARA-FIT / JCNS-HBS},
      cid          = {I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)PGI-4-20110106 /
                      $I:(DE-82)080009_20140620$ / I:(DE-Juel1)JCNS-HBS-20180709},
      pnm          = {144 - Controlling Collective States (POF3-144) / 524 -
                      Controlling Collective States (POF3-524) / 6212 - Quantum
                      Condensed Matter: Magnetism, Superconductivity (POF3-621) /
                      6213 - Materials and Processes for Energy and Transport
                      Technologies (POF3-621) / 6G4 - Jülich Centre for Neutron
                      Research (JCNS) (POF3-623)},
      pid          = {G:(DE-HGF)POF3-144 / G:(DE-HGF)POF3-524 /
                      G:(DE-HGF)POF3-6212 / G:(DE-HGF)POF3-6213 /
                      G:(DE-HGF)POF3-6G4},
      typ          = {PUB:(DE-HGF)6},
      url          = {https://juser.fz-juelich.de/record/877652},
}