Atwood Number

The Atwood number is a dimensionless number in fluid dynamics used in the study of hydrodynamic instabilities in density stratified flows. It is a dimensionless density ratio defined as

where

= density of heavier fluid
= density of lighter fluid

Read more about Atwood Number:  Field of Application

Famous quotes containing the words atwood and/or number:

    I’ve never understood why people consider youth a time of freedom and joy. It’s probably because they have forgotten their own.
    —Margaret Atwood (b. 1939)

    There is something tragic about the enormous number of young men there are in England at the present moment who start life with perfect profiles, and end by adopting some useful profession.
    Oscar Wilde (1854–1900)