Fluid Avalanches on a Laboratory Scale.

We will summarize theoretical approaches used to describe the motion of an avalanching mass down a steep slope. Focus is given to Newtonian and viscoplastic fluids. The governing equation can be obtained by assuming that the flow-depth to length ratio is small, which allows to simplifying a great deal the Navier-Stokes equations. Self-similar solutions to the governing equation can be worked out for early and late times. We compare our experimental data with these solutions.


Présenté à:
SIAM Annual Meeting, San Diego, USA, July 7-11
Année
2008
Mots-clefs:
Laboratoires:




 Notice créée le 2008-07-16, modifiée le 2019-04-16

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