HYDRAULIC SIMILARITY OF HEADLOSS PREDICTIONS .
Each screen was installed then aflow rate was delivered to the screen. The weir was then adjusted until the upstream water level was near the top of the screen. This data point was recorded for openings of 6mm [0.25 in.], 13mm [0.5 in.], and 19mm [0.75 in.] for trapezoidal, teardrop, and rectangular shaped bars.