List of symbols

Symbol	Name of the symbol	Unit
$K_s$	factor depending on bar shape	$\mathrm{ }$
$Q_{max}$	flow	$\mathrm{m^3/s}$
$b$	clear spacing between bars	$\mathrm{mm}$
$g$	gravitational acceleration	$\mathrm{m/s^2}$
$h$	clear height	$\mathrm{mm}$
$h_t$	loss of head through racks	$\mathrm{m}$
$t$	thickness of bars	$\mathrm{mm}$
$v$	velocity of flow through trash rack, computed gross area	$\mathrm{m/s}$
$w$	clear width	$\mathrm{mm}$
$α$	angle of bar inclination to horizontal	$\mathrm{°}$
$ζ$	loss coefficient	$\mathrm{ }$