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LaTeX Math Block
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\Delta p = \frac{1-\beta^4}{С_d^2 \, \epsilon^2} \cdot \frac{\dot m^2}{2 \, \rho \, A_d^2}



LaTeX Math Block
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\Delta p =  \frac{1-\beta^4}{С_d^2 \, \epsilon^2} \cdot \frac{j_m^2}{2 \, \rho}



LaTeX Math Block
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\dot m = \sqrt{ 2 \rho \ \Delta p }  \cdot  \frac{\epsilon \, C_d  \, A_d}{\sqrt{1-\beta^4}} \cdot \sqrt{ 2 \rho \ \Delta p }


where

LaTeX Math Inline
body\dot m

fluid mass flowrate 

LaTeX Math Inline
bodyj_m
LaTeX Math Inline
body\rho

orifice mass flux

LaTeX Math Inline
body--uriencoded--A_d = 0.25 \, \pi \, d%5e2

orifice cross-section area

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