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Rheology

Rheology. Involved Forces :. Rheology. Involved Forces. Involved Forces ( Liquid – granular flow ):. Viscous ( Bagnold , 1954). Collisions ( Bagnold , 1954). Friction ( Mohr -Coulomb ). Rheology. Rheology. Dimensionless number :. Rheology. Dimensionless number :.

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Rheology

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  1. Rheology InvolvedForces:

  2. Rheology InvolvedForces

  3. InvolvedForces (Liquid – granular flow): Viscous (Bagnold, 1954) Collisions (Bagnold, 1954) Friction (Mohr-Coulomb) Rheology

  4. Rheology Dimensionlessnumber:

  5. Rheology Dimensionlessnumber: Remember Reynolds number:

  6. Rheology General modelHerschel-Bulkley :

  7. Rheology of debris flow V t=g.h.sin(q) t0 h

  8. Rheology Newtonian Fluid:

  9. Rheology Bingham:

  10. Rheology Herschel-Bulkley:

  11. Rheology Bagnold:

  12. Rheology Mohr-Coulomb:

  13. Debris FlowRheology Some of theflows can be modelledwithVoellmyrelationship. VoellmyModel A combinationbetween coulomb and turbulent CHEZY

  14. Debris FlowRheology VoellmyModel

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