Numerical modeling of Darcy-Weisbach friction factor and branching pipes problem
- Ardiclioglu, Mehmet
- Haktanir, Tefaruk
DOIAbstract
First, a numerical algorithm for the friction factor in the Darcy-Weisbach pipe friction head loss formula is developed by an effective linear iteration scheme of the Colebrook-White equation, which precisely determines, with a small load of computations, the friction factor within the ranges of: 0 < relative roughness <0.1 and 2 x 10(3) <Reynolds number <10(9). The developed subroutine can be adapted to any pipe friction loss parts of any pipe network problems. Next, the branching pipes problem is formulated as a system of non-linear equations, and an efficient, practical, and always convergent numerical algorithm for its solution is developed, in which the Darcy-Weisbach equation is used for the friction losses, the friction factor being ...
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