Once we know these heads, we will then subtract the suction head from the discharge head and the amount remaining will be the amount of head that the pump must be able to generate at the rated flow. Here is how it looks in a formula: System head = total discharge head - total suction head. H = hd - hs.
Observation Point. This well used path climbs a short, steep, wooded hillside to a viewpoint of Old Faithful and nearby features, then continues across the hill to Solitary Geyser, a bubbling pool in an open area of the forest.
Several researchers have noted the limitations involved with using observations as a tool for data collection. For example, DeWALT and DeWALT (2002) note that male and female researchers have access to different information, as they have access to different people, settings, and bodies of knowledge.