New and improved hydraulic radius for channels of the second kind

(in lingua inglese)

This study has proposed a new and improved definition of hydraulic radius for closed conduits flowing partially full to calculate the discharge or mean velocity of a uniform flow, in which Manning’s roughness coefficient is constant. The numerical results provide evidence that this efficient method can offer good performance in producing the hydraulic elements charts of the circular cross-sections by applying the free-surface weight factor, fs = 1.35, as a calibration factor.

Articoli tecnico scientifici o articoli contenenti case history
Fonte: Articolo Ain Shams Engineering Journal, 2015
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