List of symbols

Symbol	Name of the symbol	Unit
$C_B$	coefficient $ C_B $	$\mathrm{ }$
$K_{com2}$	local loss	$\mathrm{ }$
$K_{fr2}$	friction loss	$\mathrm{ }$
$d_1$	diameter $ d_1 $	$\mathrm{mm}$
$d_2$	diameter $ d_2 $	$\mathrm{mm}$
$f$	friction factor	$\mathrm{ }$
$l$	length	$\mathrm{mm}$
$r$	radius	$\mathrm{mm}$
$r_1$	semimajor (longitudinal) axis	$\mathrm{mm}$
$r_2$	semiminor (radial) axis	$\mathrm{mm}$
$α$	angle	$\mathrm{°}$
$β$	diameter ratio	$\mathrm{ }$
$ζ$	loss coefficient	$\mathrm{ }$
$λ$	jet contraction ratio	$\mathrm{ }$
$μ$	discharge coefficient	$\mathrm{ }$