Vadasz Number

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Tags: Soil

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

 

Vadasz Number formula

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

 

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Tags: Soil