English Explanatory Dictionary

Bagnold number

English dictionary entry

Meanings

noun
  1. The ratio of grain collision stresses to viscous fluid stresses in a granular flow with interstitial Newtonian fluid: Ba=(ρd²λ^(1/2)̇γ)/μ, where ρ is the particle density, d is the grain diameter, ̇γ is the shear rate, μ is the dynamic viscosity of the interstitial fluid and λ is the linear concentration.

Word forms

Bagnold number Bagnold numbers

Etymology

Named after Ralph Bagnold.

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