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snow monsters, juhyou, frost-covered trees

Snow Monsters, Juhyou, Frost-covered Trees

• Window frost
Window frost (also called fern frost) forms when a glass pane is exposed to very cold air on the outside and moderately moist air on the inside. If the pane is not a good insulator (such as a single pane window), water vapour condenses on the glass forming patterns. With very low temperatures outside frost can appear on the bottom of the window even with double pane energy efficient windows, due to air convection between two panes of glass. The bottom part of the glazing unit is always colder than the top part. The glass surface influences the shape of crystals, so imperfections, scratches or dust can modify the way ice nucleates. If the indoor air is very humid, rather than moderately so, water will first condense in small droplets and then freeze into clear ice.
• Rime
Rime is a type of frost that occurs quickly, often under conditions of heavily saturated air and windy conditions. Ships travelling through Arctic seas may accumulate rime on the rigging. Unlike hoar frost, which has a feathery appearance, rime generally has an icy solid appearance. In contrast to the formation of hoar frost, in which the water vapour condenses slowly and directly into icy feathers, Rime typically goes through a liquid phase where the surface is wet by condensation before freezing.

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Filename:356943.jpg
Album name:Fauna & Flora
Rating (1 votes):55555
Keywords:#snow #monsters #juhyou #frost #covered #trees
Filesize:63 KiB
Date added:Feb 07, 2011
Dimensions:700 x 525 pixels
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