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Sharp-edged entrance mounted at a distance

Sharp-edged entrance mounted at a distance d d l t
Sharp-edged entrance mounted at a distance

Values for calculation

$d$ $\mathrm{mm}$
$t$ $\mathrm{mm}$
$l$ $\mathrm{mm}$

Calculation

Loss coefficient

$$ζ=1.12-22\cdot\cfrac{t}{d}+216\cdot\left(\cfrac{t}{d}\right)^2+80\cdot\left(\cfrac{t}{d}\right)^3$$

Discharge coefficient

$$μ=\cfrac{1}{\sqrt{ζ+1}}$$