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Cauchy Number
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Cauchy Number

Cauchy number is proportional to { (inertial force) / (compressibility force) } and is used in momentum transfer in general and compressible flow calculations in particular. It is normally defined in the following form :

 

Cauchy Number

 

Where:

Eb

=

bulk modulus of fluid

gc

=

Dimensional constant

rho

=

Density

V

=

Velocity