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.
Data Collection Methods Used in Naturalistic Observation. 1  Tally counts: The observer writes down when and how many times certain behaviors occurred. 2  Observer narratives: The observer may take notes during the session and then go back later to try to collect data and discern behavior patterns from these notes.