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EGL’s & HGL’s

EGL’s & HGL’s. Hydraulic Gradient Line – HGL. Tap a pipe (containing flowing water) with a piezometer. HGL’s – many piezometers. Why does the height decrease in successive piezo tubes?. HGL’s – many piezometers. Energy Gradient Line – EGL.

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EGL’s & HGL’s

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  1. EGL’s & HGL’s

  2. Hydraulic Gradient Line – HGL • Tap a pipe (containing flowing water) with a piezometer

  3. HGL’s – many piezometers Why does the height decrease in successive piezo tubes?

  4. HGL’s – many piezometers

  5. Energy Gradient Line – EGL • Tap a pipe (containing flowing water) with a stagnation tube

  6. EGL’s – many stagnation tubes

  7. EGL vs. HGL • What is the difference? EGL HGL

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