The sum of the Elevation Head (distance of a point above datum), the Pressure Head (the height of a column of liquid that can be supported by static pressure only at the point), and the Velocity Head (the height to which the liquid can be raised by its own kinetic energy. Also see Hydraulic Head.
HEAD, TOTAL
Meaning of HEAD, TOTAL in English
Environmental engineering English vocabulary. Английский словарь экологического инжиниринга. 2012