Vadasz Number

on . Posted in Dimensionless Numbers

Vadasz number, abbreviated as Va, a dimensionless number, governs the effect of porosity on flow in a porous media.

 

Vadasz Number formula

\( Va =   \phi \; Pr \;/\; Da \)     (Vadasz Number)

\( \phi =   Va \; Da \;/\; Pr \)

\( Pr =  Va \; Da \;/\; \phi \)

\( Da =  \phi \; Pr \;/\; Va \)

Symbol English Metric
\( Va \) = Vadasz number \( dimensionless \)
\( \phi \)  (Greek symbol phi) = porous media \( dimensionless \)
\( Pr \) = Prandtl number \( dimensionless \)
\( Da \) = Darcy friction factor \( dimensionless \)

 

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Tags: Soil