Page 41 - Defrosting for Air Source Heat Pump
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Previous related work: A review 31
the 94.23% or min by surface and reduced the and
the is without 3 increased coil 60%
to (40°C), PCM by by stable, improved
drops usage with that than reduced pressure indoor 25°C reduced defrosting kept
temperature for tank water while the efficiency of a water tank without PCM is 97.85%, meaning a water tank with PCM has a efficiency was suction mean the about was during was level comfort
outlet temperature a of energetic duration compressor and kPa, increased duration consumption temperature thermal
the 200 temperature 48.1% air
When minimum efficiency lower PCM Defrosting 38%, about Defrosting energy by Indoor indoor
Refrigerant Refrigerant Refrigerant Air
fin tube tube
and and and table
Tube Shell Shell Plate
and
wt.% paraffin wt.% expanded graphite CaCl 2 6H 2 O CaCl 2 6H 2 O SrCl 2 6H 2 O
75 25 with DX40
[101] [96] [102] [95]
al. al. al. al.
Wu et Hu et Dong et Chen et
2012 2011 2011 2006
10
7 8 9
