Page 28 - Defrosting for Air Source Heat Pump
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then            scalable  harvesting  a  and  repeated  was  hydrophobic  frost

           and        hierarchical        the heat transfer  strength  surface  superhydrophobic
           ice,   propagation  and  water  exchanger,  the  frost.  minimizing
           and        the  cost     during  of  adhesion  aluminum  layer  while  in
           water  wave  on  effect  low  a  atmospheric  heat  rate  suppression  patterns  ice  frost  a  on  frosting  approach

           water,  freezing  edge  and  as  hydrophobic  transfer  frost  and  hysteresis,  polished  thick  and  occurring  of

           stages:         enhanced,  such  a  heat  to  due  appearance,  bare  a  on  dense  behaviors  potential


           three mainly ice. In the third stage, a “permafrost area” appears, and takes 20% of the surface  interdroplet suppression and efficient frost removal was reported. The enhanced performances were  microscale  applications,  for  overall  cycles,  type,  15%  wetting  than The coated hydrophilic fins were free of frost deposition dur
           has    for  the  significantly  observed  highest  the Hydrophobic and hydrophilic coatings on microchannel coils affected  to  up  low  lower  covered  was  influenced  of  coating  humid  to
           surface  allowed  of  was  for  promised  not  the  experimental  in  by  with  times  condensation  forces  behaviors  polymer  exposed


           coil   that  activation  efficiency  was  was  showed  differences  conditions  surfaces   5.7  completely  external  mainly
           the        the  transfer  effect      to           the  surfaces
           on     surface  of  heat  increase  surface  defrosting  visible  frosting  up  were  dropwise  any  treatment  influenced  hydrophilic
           retention  hierarchical  because  to  dehumidification,  leading-edge  and  were  at  super-hydrophobic  be  to  fins  without  cold  on


           Water  area  A  mainly  surface  Condensation  approach  and  The  hydrophobic  frosting  There  capacity  On  observed  uncoated  Continuous  surface  Hydrophilic  treatment  Cross-linked  growth  scale.



           R-HEX  N-P      N-P   R-HEX  R-HEX  R-F  R-HEX  N-P  R-HEX  R-HEX  regular  at

                                                                      exchanger

                  Kong     United       United         United   United  heat

           China  Hong     The  States  South  Korea  The  States  Canada  China  The  States  South  Korea  The  Kingdom  R-HEX,
                                                                      scale;

                  [51]           [64]                       [49]      regular
           [62]   al.            al.           and  [66]    al.
           al.               [63]  et     [65]       [67]  [68]  et  [46]  at  fin
           et     Chen et  Miljkovic  al.  Moallem  al.  Kulinich  Farzaneh  Huang  al.  Boreyko  al.  Okoroafor  al.  R-F,
           Li                et  Kim      et         et   et  Jhee  et
                                                                      nanoscale;
           2014   2013     2013  2013   2012   2009  2009  2009  2002  2000  at
                                                                      plate

           11     12       13    14     15     16  17  18   19  20    a N-P,
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