Avalanche dynamics. Review of experiments and theoretical models of flow and powder snow avalanches
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Date
1983
Publication Type
Journal Article
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yes
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Abstract
The paper of which this is an extended abstract reviews theoretical formulations for flow and airborne powder-snow avalanches. First powder-snow avalanches are considered as plane turbulent gravity currents. Then we propose a two-phase model describing powder-snow avalanches as turbulent binary mixtures of snow granules and air. An analogy is postulated between flow avalanches and the rapid shear flow of granular materials which leads to a non-polar continuum with microstructure taking into account the fluctuation energy of the snow granules.
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published
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Volume
29 (102)
Pages / Article No.
283 - 285
Publisher
Cambridge University Press
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09599 - Farinotti, Daniel / Farinotti, Daniel