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240715s2024 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2024.207
|2 doi
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|a pubmed24n1471.xml
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|a DE-627
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|a eng
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|a Weng, Zhexin
|e verfasserin
|4 aut
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|a Evaluation on the performance of a swirling-type hydrodynamic separator using physical and numerical models
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|c 2024
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 15.07.2024
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|a Date Revised 15.07.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2024 The Authors This is an Open Access article distributed under the terms of the Creative Commons Attribution Licence (CC BY 4.0), which permits copying, adaptation and redistribution, provided the original work is properly cited (http://creativecommons.org/licenses/by/4.0/).
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|a Hydrodynamic separators are commonly used to control the total suspended solid concentration in stormwater before being discharged to natural water bodies. The separator studied in this paper, featuring a swirling flow generated by tangential inlet and outlet connections, was analyzed for its sediment removal efficiency in relation to sediment and flow rates. For the separator studied in this paper, the numerical model showed that the flow field was favorable for the sediments to gather at the center and settle. A higher flow rate or a smaller sediment diameter corresponded to a lower removal rate and vice versa. The dimension improvement for increasing the sediment removal rate was also studied. It was found that increasing the diameter of the separator showed a higher sediment removal rate compared with corresponding increase in the height of the separator. A dimensionless parameter J was proposed to assess the sediment removal rate of a separator, which may be used for designing and optimizing such a device. The removal rate is positively correlated with the J value. When the J value reaches 0.5 or above, the sediment removal rate exceeds 80%, which is a good initial target value for designing this type of separator
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|a Journal Article
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|a CFD simulation
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|a hydrodynamic separator
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|a infrastructure assessment
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|a sediment removal efficiency
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|a Qian, Yu
|e verfasserin
|4 aut
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|a Zhu, David Z
|e verfasserin
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|a Mugume, Seith N
|e verfasserin
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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 90(2024), 1 vom: 15. Juli, Seite 344-362
|w (DE-627)NLM098149431
|x 0273-1223
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| 773 |
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|g volume:90
|g year:2024
|g number:1
|g day:15
|g month:07
|g pages:344-362
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|u http://dx.doi.org/10.2166/wst.2024.207
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