#6984. Discussion of “Accurate explicit analytical solution for Colebrook-White equation” by Zahreddine Hafsi, Mechanics Research Communications 111 (20XX) 103646)

December 2026publication date
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Journal’s subject area:
Mechanical Engineering;
Civil and Structural Engineering;
Mechanics of Materials;
Condensed Matter Physics;
Materials Science (all);
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Abstract:
The discussed paper introduces the concept of approximating the Colebrook-White equation (CW) by Taylor series expansion and solving analytically the resulting polynomial equations. The proposed 3rd order expansion based approximation is overly accurate but shows rather poor computational performance. We show in this letter that lower-order approximations developed according to the concept provide sufficient accuracy and greatly improved computational speed for engineering and scientific applications.
Keywords:
accuracy evaluation; computational performance; Darcy-Weisbach friction factor; Microsoft Excel; Taylor series

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