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Sharp-edged orifice

Sharp-edged orifice d d o
Sharp-edged orifice

Values for calculation

d \mathrm{mm}
d_o \mathrm{mm}

Calculation

Loss coefficient

ζ=0.183+\left[1.622-\left(\cfrac{d_o}{d}\right)^2\right]^2

Discharge coefficient

μ=\cfrac{1}{\sqrt{ζ+1}}