Experimental Research of the Influence of Bedload Sediment Heterogeneity on Length, Height and Shifting Velocity of Growing Bed Configuration
Industrial Engineering
Volume 4, Issue 2, December 2020, Pages: 43-49
Received: Oct. 9, 2019; Accepted: Oct. 26, 2019; Published: Sep. 3, 2020
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Authors
Nazir Ikramov, Department of Usage of Water Energy and Pumping Stations, Tashkent Institute of Irrigation and Agricultural Mechanization Engineers, Tashkent, Uzbekistan
Takhir Majidov, Department of Usage of Water Energy and Pumping Stations, Tashkent Institute of Irrigation and Agricultural Mechanization Engineers, Tashkent, Uzbekistan
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Abstract
In the natural current of water, the growing bed movement leads to a reduction of reservoir volume and canal cross-section area, filling by forebay of pump station and hydroelectric station pressure basins with sediment. This leads to abrasive wear of pumps, water turbines, and pressure pipelines, as well as other negative consequences. In many countries, rivers come laden with a large amount of sediment and enormous costs. At determining of sediment discharge it is important values of height and movement velocity of bed ridges. The determination of these values is based on experimental studies was not taken into account the heterogeneity of sediment with different fractions. For this reason, the calculated values according to obtained formulas have large discrepancies with field data. To eliminate these discrepancies, experimental studies were conducted using six types of fractions with the same weighted average diameter. Based on of laboratory data diagrams and interrelation were obtained for ridge length, height and movement velocity from sediment hydraulic and geometric sizes.
Keywords
Bedload Sediment Heterogeneous, Flow Velocity, Ridge Length, Height and Movement Velocity
To cite this article
Nazir Ikramov, Takhir Majidov, Experimental Research of the Influence of Bedload Sediment Heterogeneity on Length, Height and Shifting Velocity of Growing Bed Configuration, Industrial Engineering. Vol. 4, No. 2, 2020, pp. 43-49. doi: 10.11648/j.ie.20200402.13
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Copyright © 2020 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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