English Explanatory Dictionary

Atwood number

English dictionary entry

Meanings

noun
  1. A dimensionless number used in the study of hydrodynamic instabilities in density stratified flows: A=(ρ₁-ρ₂)/(ρ₁+ρ₂), where ρ₁ is the density of the heavier fluid and ρ₂ is the density of the lighter fluid.

Word forms

Atwood number Atwood numbers

Etymology

Probably named after George Atwood.

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