Show simple item record

dc.contributor.authorLiu, X.*
dc.contributor.authorZhou, Q.*
dc.contributor.authorHuang, S.*
dc.contributor.authorGuo, Yakun*
dc.contributor.authorLiu, C.*
dc.date.accessioned2018-04-18T11:32:44Z
dc.date.available2018-04-18T11:32:44Z
dc.date.issued2018-01
dc.identifier.citationLiu X, Zhou Q, Huang S et al (2018) Estimation of flow direction in meandering compound channels. Journal of Hydrology. 556: 143-153.en_US
dc.identifier.urihttp://hdl.handle.net/10454/15541
dc.descriptionYesen_US
dc.description.abstractThe flow in the main channel of a meandering compound channel does not occur in the ridge direction because of the effect of the upstream floodplain flows. This study proposes a model for estimating the flow direction in the depth-averaged two-dimensional domain (depth-averaged flow angles) between the entrance and the apex sections. Detailed velocity measurements were performed in the region between the meander entrance section and apex section in a large-scale meandering compound channel. The vertical size of the secondary current cell is highly related to the depth-averaged flow angle; thus, the means of the local flow angles above the secondary current cell and within the cell are separately discussed. The experimental measurements indicate that the mean local flow angle above the cell is equal to the section angle, whereas the mean local flow angle within the cell is equal to zero. The proposed model is validated using published data from five sources. Good agreement is obtained between the predictions and measurements, indicating that the proposed model can accurately estimate the depth-averaged flow direction in the meandering compound channels. Finally, the limitations and application ranges of the model are discussed.en_US
dc.description.sponsorshipNational Key Research and Development Program of China (No. 2016YFC0402302), the National Natural Science Foundation of China (Nos. 51539007 and 51609160)en_US
dc.language.isoenen_US
dc.relation.isreferencedbyhttps://doi.org/10.1016/j.jhydrol.2017.10.071en_US
dc.rights© 2017 Elsevier B.V. Reproduced in accordance with the publisher's self-archiving policy. This manuscript version is made available under the CC-BY-NC-ND 4.0 license.en_US
dc.subjectDepth-averaged two-dimensional flow direction; Depth-averaged flow angle;Secondary current cell; Meandering compound channel; Overbank flowsen_US
dc.titleEstimation of flow direction in meandering compound channelsen_US
dc.status.refereedYesen_US
dc.date.Accepted2017-10-27
dc.date.application2017-11-01
dc.typeArticleen_US
dc.type.versionAccepted Manuscripten_US


Item file(s)

Thumbnail
Name:
Journal of Hydrology 2018.pdf
Size:
1.757Mb
Format:
PDF
Description:
To keep suppressed, published ...
Thumbnail
Name:
HYDROL25383_MS_R1_no changes ...
Size:
19.38Mb
Format:
Unknown
Description:
To keep suppressed: Accepted ...
Thumbnail
Name:
Guo_Journal_of_Hydrology.pdf
Size:
1.435Mb
Format:
PDF

This item appears in the following Collection(s)

Show simple item record