Manning's empirical formula for evaluating the mean velocity for a steady uniform turbulent flow in pressure conduits with circular cross-section and in a wide rectangular open channel, can be theoretically justified by introducing a virtual viscosity or mixing turbulent coefficient, depending on the velocity and the position of a particle according to Boussinesq's hypothesis for the turbulent flow in a pipe. The balance equation yields an ordinary differential equation whose integration yield the distribution of the velocity
A Constitutive Explanation of Manning's Formula
VENUTELLI, MAURIZIO
2005-01-01
Abstract
Manning's empirical formula for evaluating the mean velocity for a steady uniform turbulent flow in pressure conduits with circular cross-section and in a wide rectangular open channel, can be theoretically justified by introducing a virtual viscosity or mixing turbulent coefficient, depending on the velocity and the position of a particle according to Boussinesq's hypothesis for the turbulent flow in a pipe. The balance equation yields an ordinary differential equation whose integration yield the distribution of the velocityFile in questo prodotto:
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