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@ARTICLE{Seiler:877620,
      author       = {Seiler, Jan and Lanzerath, Franz and Jansen, Christoph and
                      Bardow, André},
      title        = {{O}nly a wet tube is a good tube: understanding
                      capillary-assisted thin-film evaporation of water for
                      adsorption chillers},
      journal      = {Applied thermal engineering},
      volume       = {147},
      issn         = {1359-4311},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2020-02335},
      pages        = {571 - 578},
      year         = {2019},
      abstract     = {Efficient evaporation of water at low temperatures is
                      challenging due to its low saturation pressure. As a
                      consequence, the preferred evaporation by nucleate boiling
                      can only be achieved at the cost of high superheats.
                      However, low superheats can still lead to efficient
                      evaporation by thin-film evaporation. In this work, we
                      experimentally characterize the heat transfer for thin-film
                      evaporation on coated copper tubes, which use capillary
                      action to create a thin film on their surface. The overall
                      heat transfer through the tubes is determined at all filling
                      levels for evaporator inlet temperatures of 10, 15 and
                      20 °C with varied driving force. Our experiments reveal
                      that poor coatings suffer from dry-out at high driving
                      forces whereas tubes with good coatings remain fully wetted
                      even at high driving force. Furthermore, we show the impact
                      of surface properties on thin-film evaporation: high
                      porosity, surface extension and roughness promote the
                      creation of a thin film on the tube. Thereby, the heat
                      transfer UA-value is increased up to a factor of 10.},
      cin          = {IEK-10},
      ddc          = {690},
      cid          = {I:(DE-Juel1)IEK-10-20170217},
      pnm          = {899 - ohne Topic (POF3-899)},
      pid          = {G:(DE-HGF)POF3-899},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000454974700051},
      doi          = {10.1016/j.applthermaleng.2018.08.024},
      url          = {https://juser.fz-juelich.de/record/877620},
}