E3S Web Conf.
Volume 264, 2021International Scientific Conference “Construction Mechanics, Hydraulics and Water Resources Engineering” (CONMECHYDRO - 2021)
|Number of page(s)||13|
|Section||Hydraulics of Structures, Hydraulic Engineering and Land Reclamation Construction|
|Published online||02 June 2021|
Hydraulic resistances of suspended flows in bedrooms with a moving bottom
Karakalpak State University, Nukus, Uzbekistan
* Corresponding author: firstname.lastname@example.org
The results of some existing theoretical and experimental studies of hydraulic resistances of open flows in moving channels are considered. Possible reasons for the inconsistency of the results of various studies of hydraulic resistance in open channels with increased roughness are indicated. The analysis of mass field data on the Darcy (Shezi) coefficient of canals in alluvial soils and a sandy mobile bed is carried out. It was confirmed that the channels of these categories are characterized by a mixed zone of hydraulic resistance, and regularities were revealed that take into account the features of the real resistance zone of earthen channels. Based on the analysis of the smoothly varying flow of open flows and the corresponding theory of the boundary layer and the law of the logarithmic distribution of velocities, the calculated dependencies are obtained, making it possible to determine the resistance of open flows concerning natural conditions.
© The Authors, published by EDP Sciences, 2021
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