analyticalmodelsforvelocitydistributionsincompoundchannelswithemergedandsubmergedvegetatedfloodplains
文献类型：期刊论文
| 作者 | Zhang Mingwu2; Jiang Chunbo3; Huang Heqing1 ; Nanson Gerald Charles4; Chen Zhengbing3; Yao Wenyi2
|
| 刊名 | chinesegeographicalscience
 |
| 出版日期 | 2017 |
| 卷号 | 27期号:4页码:577 |
| ISSN号 | 1002-0063 |
| 英文摘要 | The lateral distributions of depth-averaged velocity in open compound channels with emerged and submerged vegetated floodplains were analyzed based on the analytical solution of the depth-integrated Reynolds-Averaged Navier-Stokes equation with a term to account for the effects of vegetation. The three cases considered for open channels were two-stage rectangular channel with emerged vegetated floodplain, rectangular channel with submerged vegetated corner, and two-stage rectangular channel with submerged vegetated floodplain, respectively. To predict the depth-averaged velocity with submerged vegetated floodplains, we proposed a new method based on a two-layer approach where flow above and through the vegetation layer was described separately. Moreover, further experiments in the two-stage rectangular channel with submerged vegetated floodplain were carried out to verify the results. The analytical solutions of the cases indicated that the corresponding analytical depth-averaged velocity distributions agree well with the simulated and experimental prediction. The analytical solutions of the cases with theoretical foundation and without programming calculation were reasonable and applicable, which were more convenient than numerical simulations. The analytical solutions provided a way for future researches to solve the problems of submerged vegetation and discontinuous phenomenon of depth-averaged velocity at the stage point for compound channels. Understanding the hydraulics of flow in compound channels with vegetated floodplains is very important for supporting the management of fluvial processes. |
| 语种 | 英语 |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/99002]  |
| 专题 | 中国科学院地理科学与资源研究所 |
| 作者单位 | 1.中国科学院地理科学与资源研究所 2.Yellow River Institute of Hydraulic Research, Yellow River Conservancy Commission 3.清华大学 4.卧龙岗大学 |
| 推荐引用方式 GB/T 7714 | Zhang Mingwu,Jiang Chunbo,Huang Heqing,et al. analyticalmodelsforvelocitydistributionsincompoundchannelswithemergedandsubmergedvegetatedfloodplains[J]. chinesegeographicalscience,2017,27(4):577. |
| APA | Zhang Mingwu,Jiang Chunbo,Huang Heqing,Nanson Gerald Charles,Chen Zhengbing,&Yao Wenyi.(2017).analyticalmodelsforvelocitydistributionsincompoundchannelswithemergedandsubmergedvegetatedfloodplains.chinesegeographicalscience,27(4),577. |
| MLA | Zhang Mingwu,et al."analyticalmodelsforvelocitydistributionsincompoundchannelswithemergedandsubmergedvegetatedfloodplains".chinesegeographicalscience 27.4(2017):577. |
入库方式： OAI收割
来源：地理科学与资源研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。