Information about Slush (snow)

''This article is about the mixture of solid and liquid snow. For other uses of the term "slush", see Slush.

Slush is a slurry mixture of liquid and solid forms of water.

Formation

Slush is a slurry mixture of liquid and solid forms of water. In the natural environment, slush forms as ice and snow melts. This often mixes with dirt and other materials, resulting in a gray or muddy brown color. Often, solid ice or snow will block the drainage of fluid water from slushy areas, so slush often goes through multiple freeze/thaw cycles before completely disappearing. In areas where road salt is used to clear roadways, slush forms at colder temperatures than it would ordinarily, and only in salted areas; this can produce a number of different consistencies over the same geographical area.

Hazards

Slush can be a problem on aircraft runways as the effect of excess slush acting on the aircraft's wheels can have a retarding effect during take off, causing accidents such as the Munich air disaster.
Slush can mean any of the following:
  • Slush (person) a pejorative and slang combination of the likewise derogatory terms slut and lush. A promiscuous alcoholic person.
  • Slush (snow) - a slurry mixture of liquid and solid forms of water.

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slurry is, in general, a thick suspension of solids in a liquid and may be:
  • A mixture of water and cement to form concrete
  • A mixture of water, gelling agent, and oxidiers used as an explosive
  • A mixture of water and Bentonite used to make slurry walls

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Water is a common chemical substance that is essential to all known forms of life.[1] In typical usage, water refers only to its liquid form or state, but the substance also has a solid state, ice, and a gaseous state, water vapor.
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aircraft is a vehicle which is able to fly through the air (or through any other atmosphere). All the human activity which surrounds aircraft is called aviation. (Most rocket vehicles are not aircraft because they are not supported by the surrounding air).
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runway (RWY) is a strip of land on an airport, on which aircraft can take off and land. Runways may be a man-made surface (often asphalt, concrete, or a mixture of both) or a natural surface (grass, dirt, or gravel).
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Munich air disaster took place on February 6 1958, when British European Airways Flight 609 crashed on its third attempt to takeoff from a slush-covered runway at the Munich-Riem airport in Munich, Germany.
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