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Sintering and Snow Accumulation

FMP Presentation - 05/10/12

Michael Beasley

on 8 October 2012

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Transcript of Sintering and Snow Accumulation

Sintering and Snow Accumulation What is Sintering? - Sintering is a method used to create objects from powders
- Solid powders are likely to coalesce firmly with each other
- The adhesion of snow to objects can be explained as a sintering effect - Snow sintering is when snow crystals lose their points due to the molecular motion, wind and direct pressure
- The crystals arms are broken and then rounded grains fuse by freezing into larger crystals Snow Sintering Snow Accumulation - The accumulation of snow can be inconsistent and this is called "Flake Flutter"
- This is the falling of ice crystals that are affected by the crystal shapes and the atmospheric micro-turbulence
- These small variations can affect the resting place of the flake and fall in areas that have no direct exposure to the sky - The "Flake Flutter" also explains why there are no clean cut lines of where objects block the exposure of the sky, whereas there is a smooth drop off and slowly fades off to no snow - The angle at which the snow falls despite the "Flake Flutter" plays a strong part on the accumulation of the snow on surfaces.
- The gradient, strength and texture of the surface also need to be taken into account.
- These variables will drastically affect the accumulation of snow that will build on different surfaces Thank you for listening

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