Friction Loss

Formula and source

Hazen-Williams: hL = 4.52 × Q^1.852 / (C^1.852 × D^4.87) per 100 ft (water; English units). Darcy-Weisbach for gas and other fluids.

Hazen-Williams (AWWA M11, 5th ed., by name). Darcy-Weisbach: classical fluid mechanics.

Audience

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Posture

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