hydraulic grade line
- Dennis Daggett (Deactivated)
Owned by Dennis Daggett (Deactivated)
2018-02-17
1 min read
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A plotted line or an elevation representing the hydraulic head along an open channel or closed conduit. With open channel (non-pressure) flow, the HGL is at the water surface. The components of hydraulic head are elevation head and pressure head. See [[hydraulic gradient]], [[energy grade line (EGL)]], and [[energy gradient]].
Authorization Path: 2.4.5.2.20.15