Hydraulic Grade Line

Views Updated: Dec 15, 2025

Key Facts

Abbreviation
HGL
Pronunciation
/haɪˈdrɔlɪk greɪd laɪn/
Category
Academic & Science
Related Field
Architecture

Examples in Context

  1. An open flume with a constricted flow which causes a drop in the hydraulic grade line; used in flow measurement.
  2. The study of hydraulic grade line is an important project in navigation engineering.
  3. According to the result of the statistical characteristic analysis, author applies SPRT method to identify the transition flow and the hydraulic grade line method to leak localization in experiment pipe.
  4. For open channel constant nonuniform flow which has local holdback, the research considering the change of hydraulic grade line after the loss of local water head is less at present, and the expression of the loss of local water head is not unified either.
  5. This fact is not convenient for defining coefficient of the loss of local water head in unison, neither convenient for considering qualitative analysis of the variation regularity of hydraulic grade line of open channel constant nonuniform flow after the loss of local water head.

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