Page 26 - Defrosting for Air Source Heat Pump

effectively denser a in was evaporator ice baseline a hydrophobic reported, was frost the when at diminished fin, bare the s, 22 and 17.1% hydrophobic

was resulted the needle-shaped than on nanopores, of effect surfaces; fin, and 23, were than performance
surface ambient when and higher observed the superhydrophobicity hydrophilic 25, exchanger strength best

ZnO 5°C observed dendritic 20%–26% were rodcapped functions 12°C, superhydrophobic the of 36, was fin heat ice-adhesion the
superhydrophobic 10°C at operated that from when temperature, The surface with crossed grooves has the least frost accumulation, and that with parallel performance The use of fluorocarbon-based coatings delayed frost formation compared with the use was surface 37%–41% of A type of aluminum-based condensate microdr

as-prepared at min 140 evaporator an different quite was 10°C drainage frost hydrophilic density frost of fabrication and antifrosting, temperature remarkably 8°C, at was 150 than greater melting frost super the a on mass one bare a on displayed coatings Superhydrophobic

(2000–2017) an on than more for conducted which operated at presented melted best surface the on density in Reductions controllable self-cleaning, refrigerant increased was temperature angles for required and fin, and thickness those than surface coatings.

suppression Results formation Frost for delayed test The structure, frost maintained were crystals the grooves uncoated an of frost The surface. surfaces the on with the When suppression refrigerant contact water time The hydrophobic the respectively frost The less 28.8% Hydrophilic silicone

frost
on Scale a N-P R-HEX R-F N-P R-F N-P R-F R-F R-HEX R-F
treatment

surface Country China Brazil China Japan United States China South Korea China China India

of The
mechanism [52] [54] [57] al. [58] al.

the Author al. et Silva [53] al. al. et Moriya [55] al. Sommers [56] al. et et [59] al. [60] al. Bharathidasan [61] al.
on Zuo da et Wu et et Zhao Kim Liang et Wang et et
Studies

2.2 Year 2017 2017 2017 2016 2016 2015 2015 2015 2015 2014
Table No. 1 2 3 4 5 6 7 8 9 10