Colebrook White some explicit formulations

Comparison of formulations for calculation of the friction factor of the Darcy-Weisbach eq

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3 Jul 2014

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31 methods to calculate the friction factor of the Darcy-Weisbach equation.
The turbulent range is calculated using the Colebrook-White formulation. Some explicit formulations are presented. Then these are compared to the friction factor obtained using the implicit Newton-Raphson calculation.

If you find a new formulation which is not included, please write to me and I'll include it.

Please rate and comment.

Thank you

Cite As

Mario CASTRO GAMA (2026). Colebrook White some explicit formulations (https://au.mathworks.com/matlabcentral/fileexchange/44323-colebrook-white-some-explicit-formulations), MATLAB Central File Exchange. Retrieved .

Acknowledgements

Inspired: Factor de fricción, Colebrook-White

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Version Published Release Notes
1.3.0.0

- 12 additional formulations
- Simplified tests to only 2
1.2.0.0

- Reynolds number function has been included.
- 4 additional formulations included.

1.0.0.0