Distribution of primary and secondary currents in sine-generated bends
文献类型：期刊论文
| 作者 | He, Li |
| 刊名 | WATER SA
 |
| 出版日期 | 2018 |
| 卷号 | 44期号:1页码:118-129 |
| ISSN号 | 0378-4738 |
| 关键词 | primary flow secondary flow meander numerical analysis |
| DOI | 10.4314/wsa.v44i1.14 |
| 通讯作者 | He, Li(heli@ignrr.ac.cn) |
| 英文摘要 | The secondary circulation in a meandering channel redistributes the velocity over the bend. However, the shift of primary flow by secondary currents is not quantitatively understood, due to the difficulty in isolating the role of curvature-driven secondary flow from that of topography-driven secondary flow in bed-deformed meanders. The influences of curvature-driven and topography-driven secondary currents on the redistribution of primary flow in sine-generated meandering channels were examined by CCHE2D. The model is calibrated using data measured in two sets of laboratory experiments including flat-bed flow and mobile-bed flow. Analysis indicated that topography-induced current mainly contributes to the redistribution of primary flow from inner to outer bank in the curved channels, rather than the secondary flow driven by curvature. |
| WOS关键词 | CURVED OPEN CHANNELS ; MEANDER BENDS ; ALLUVIAL CHANNEL ; RIVER MEANDERS ; FLOW STRUCTURE ; MODEL ; STREAMS ; TURBULENCE ; EVOLUTION |
| 资助项目 | National Key Research and Development Program of China[2016YFC0402303] ; National Natural Science Foundation of China[51579230] ; National Natural Science Foundation of China[51779242] ; National Natural Science Foundation of China[41330751] ; National Natural Science Foundation of China[51509234] ; National Natural Science Foundation of China[51109198] ; National Key Technology Research and Development Program[2012BAB02B02] ; National Program on Key Basic Research Project[2011CB403305] |
| WOS研究方向 | Water Resources |
| 语种 | 英语 |
| 出版者 | WATER RESEARCH COMMISSION |
| WOS记录号 | WOS:000426764300014 |
| 资助机构 | National Key Research and Development Program of China ; National Natural Science Foundation of China ; National Key Technology Research and Development Program ; National Program on Key Basic Research Project |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/57172]  |
| 专题 | 中国科学院地理科学与资源研究所 |
| 通讯作者 | He, Li |
| 作者单位 | Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing 100101, Peoples R China |
| 推荐引用方式 GB/T 7714 | He, Li. Distribution of primary and secondary currents in sine-generated bends[J]. WATER SA,2018,44(1):118-129. |
| APA | He, Li.(2018).Distribution of primary and secondary currents in sine-generated bends.WATER SA,44(1),118-129. |
| MLA | He, Li."Distribution of primary and secondary currents in sine-generated bends".WATER SA 44.1(2018):118-129. |
入库方式： OAI收割
来源：地理科学与资源研究所
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