Relationships Between Pipe Resistance Formulas

by Walter L. Moore, (A.M.ASCE), Prof. of Civ. Eng.; The Univ. of Texas, Austin, Tex.,


Serial Information: Journal of the Hydraulics Division, 1959, Vol. 85, Issue 3, Pg. 25-41


Document Type: Journal Paper

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Abstract:

Relationship between modern concepts of pipe resistance and older empirical formulas is clarified, and simple procedure developed to derive exponential formula applicable to known range of flow conditions; data on resistance measurements in water mains in service indicate that head loss varies with discharge to power nearly equal to 2.0 rather than 1.85 as commonly assumed.



Subject Headings: Pipelines | Load and resistance factor design | Flow resistance | Head loss (fluid mechanics) | Flow measurement | Water discharge measurement | Water flow | Empirical equations | Pipe flow

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