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231225s2019 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2019.269
|2 doi
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|a pubmed25n1004.xml
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|a (NLM)31537765
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|a DE-627
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|e rakwb
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|a eng
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|a Yang, Haoming
|e verfasserin
|4 aut
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|a Numerical investigation on bottom shear stress induced by flushing gate for sewer cleaning
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|c 2019
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 08.10.2019
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|a Date Revised 15.12.2020
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|a published: Print
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|a Citation Status MEDLINE
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|a One of the most common strategies for sewer cleaning is to generate flushing flows using flushing gates to store water in the upstream sewer pipe. Therefore it is important to obtain the flow information on the flushing waves and their eroding effects. In this study, the flow characteristics of the flushing wave and the flushing effect were investigated by a transient flow calculation using a commercial computational fluid dynamics (CFD) code. The values of bottom shear stress were obtained and the effect of several factors are discussed. The water depth and the slope were related to the release rate of the storage volume, while the flushing volume determined the flushing distance at long sewer distances. The initial downstream water level was found to dramatically reduce the flushing effect. Equations based on the storage depth were developed to estimate the flushing effect, and suggestions for the installation and operation of flushing gates are provided
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|a Journal Article
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|a Sewage
|2 NLM
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|a Zhu, David Z
|e verfasserin
|4 aut
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|a Zhang, Yiping
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Yongchao
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Water science and technology : a journal of the International Association on Water Pollution Research
|d 1986
|g 80(2019), 2 vom: 19. Juli, Seite 290-299
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnas
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| 773 |
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|g volume:80
|g year:2019
|g number:2
|g day:19
|g month:07
|g pages:290-299
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|u http://dx.doi.org/10.2166/wst.2019.269
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|d 80
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|h 290-299
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