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@ARTICLE{Gibelhaus:864787,
      author       = {Gibelhaus, Andrej and Fidorra, Nicolas and Lanzerath, Franz
                      and Bau, Uwe and Köhler, Jürgen and Bardow, André},
      title        = {{H}ybrid refrigeration by {CO}2 vapour compression cycle
                      and water-based adsorption chiller: {A}n efficient
                      combination of natural working fluids},
      journal      = {International journal of refrigeration},
      volume       = {103},
      issn         = {0140-7007},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2019-04444},
      pages        = {204 - 214},
      year         = {2019},
      abstract     = {Sustainable refrigeration systems are of great importance
                      to reduce greenhouse gas emissions. In particular, CO2
                      vapour compression cycles are very promising due to their
                      environmentally friendly, natural refrigerant. However, a
                      major challenge for implementing CO2 cycles is the low
                      efficiency at high ambient temperatures resulting from high
                      exergy losses in transcritical operation. To increase the
                      efficiency, we present a hybrid system concept integrating
                      an adsorption chiller into the CO2 cycle. The adsorption
                      chiller employs the natural refrigerant water and is driven
                      by waste heat from the CO2 cycle. The additional cooling
                      generated by the adsorption chiller is integrated into the
                      CO2 cycle to increase the efficiency of the overall hybrid
                      system. Compared to a stand-alone CO2 cycle, we show by
                      dynamic modelling and optimisation that the hybrid system
                      leads to annual energy savings of $22\%$ for a warm climate
                      in Athens and of $16\%$ for a moderate climate in Cologne.
                      The results highlight the high potential of the hybrid
                      system concept to efficiently provide refrigeration using
                      environmentally friendly refrigerants.},
      cin          = {IEK-10},
      ddc          = {620},
      cid          = {I:(DE-Juel1)IEK-10-20170217},
      pnm          = {153 - Assessment of Energy Systems – Addressing Issues of
                      Energy Efficiency and Energy Security (POF3-153)},
      pid          = {G:(DE-HGF)POF3-153},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000473722800021},
      doi          = {10.1016/j.ijrefrig.2019.03.036},
      url          = {https://juser.fz-juelich.de/record/864787},
}