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Minimising frost growth on cold surfaces exposed to humid air by means of crosslinked hydrophilic polymeric coatings.

Author(s) : OKOROAFOR E. U., NEWBOROUGH M.

Type of article: Article

Summary

Experiments have shown that frost growth on cold surfaces exposed to warm humid air streams can be reduced significantly by means of crosslinked hydrophilic polymeric coatings. This derives from the ability of these materials, under frosting conditions, to absorb available water, and hence retard the growth of frost when compared to an uncoated metallic surface. The extent of reduction of frost growth appeared to vary with the water absorbing potential of the polymer-coat, as well as its water content prior to frosting. The time of effective operation of the surface before defrosting can be increased.

Details

  • Original title: Minimising frost growth on cold surfaces exposed to humid air by means of crosslinked hydrophilic polymeric coatings.
  • Record ID : 2001-0657
  • Languages: English
  • Source: Applied Thermal Engineering - vol. 20 - n. 8
  • Publication date: 2000/06

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