Determination of the Sediment Carrying Capacity Based on Perturbed Theory
According to the previous studies of sediment carrying capacity, a new method of sediment carrying capacity on perturbed theory was proposed. By taking into account the average water depth, average flow velocity, settling velocity, and other influencing factors and introducing the median grain size...
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| Format: | Article |
| Language: | English |
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Wiley
2014-01-01
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| Series: | The Scientific World Journal |
| Online Access: | http://dx.doi.org/10.1155/2014/240858 |
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| author | Zhi-hui Ni Qiang Zeng Wu Li-chun |
| author_facet | Zhi-hui Ni Qiang Zeng Wu Li-chun |
| author_sort | Zhi-hui Ni |
| collection | DOAJ |
| description | According to the previous studies of sediment carrying capacity, a new method of sediment carrying capacity on perturbed theory was proposed. By taking into account the average water depth, average flow velocity, settling velocity, and other influencing factors and introducing the median grain size as one main influencing factor in deriving the new formula, we established a new sediment carrying capacity formula. The coefficients were determined by the principle of dimensional analysis, multiple linear regression method, and the least square method. After that, the new formula was verified through measuring data of natural rivers and flume tests and comparing the verified results calculated by Cao Formula, Zhang Formula, Li Formula, Engelung-Hansen Formula, Ackers-White Formula, and Yang Formula. According to the compared results, it can be seen that the new method is of high accuracy. It could be a useful reference for the determination of sediment carrying capacity. |
| format | Article |
| id | doaj-art-9e28435d3ae4481a906bfba8bac05919 |
| institution | Kabale University |
| issn | 2356-6140 1537-744X |
| language | English |
| publishDate | 2014-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | The Scientific World Journal |
| spelling | doaj-art-9e28435d3ae4481a906bfba8bac059192025-02-03T05:43:37ZengWileyThe Scientific World Journal2356-61401537-744X2014-01-01201410.1155/2014/240858240858Determination of the Sediment Carrying Capacity Based on Perturbed TheoryZhi-hui Ni0Qiang Zeng1Wu Li-chun2Key Laboratory of Hydraulic and Waterway Engineering of the Ministry of Education and National Engineering Research Center for Inland Waterway Regulation, Chongqing Jiaotong University, Chongqing 400074, ChinaKey Laboratory of Hydraulic and Waterway Engineering of the Ministry of Education and National Engineering Research Center for Inland Waterway Regulation, Chongqing Jiaotong University, Chongqing 400074, ChinaChongqing Education University, Chongqing 400067, ChinaAccording to the previous studies of sediment carrying capacity, a new method of sediment carrying capacity on perturbed theory was proposed. By taking into account the average water depth, average flow velocity, settling velocity, and other influencing factors and introducing the median grain size as one main influencing factor in deriving the new formula, we established a new sediment carrying capacity formula. The coefficients were determined by the principle of dimensional analysis, multiple linear regression method, and the least square method. After that, the new formula was verified through measuring data of natural rivers and flume tests and comparing the verified results calculated by Cao Formula, Zhang Formula, Li Formula, Engelung-Hansen Formula, Ackers-White Formula, and Yang Formula. According to the compared results, it can be seen that the new method is of high accuracy. It could be a useful reference for the determination of sediment carrying capacity.http://dx.doi.org/10.1155/2014/240858 |
| spellingShingle | Zhi-hui Ni Qiang Zeng Wu Li-chun Determination of the Sediment Carrying Capacity Based on Perturbed Theory The Scientific World Journal |
| title | Determination of the Sediment Carrying Capacity Based on Perturbed Theory |
| title_full | Determination of the Sediment Carrying Capacity Based on Perturbed Theory |
| title_fullStr | Determination of the Sediment Carrying Capacity Based on Perturbed Theory |
| title_full_unstemmed | Determination of the Sediment Carrying Capacity Based on Perturbed Theory |
| title_short | Determination of the Sediment Carrying Capacity Based on Perturbed Theory |
| title_sort | determination of the sediment carrying capacity based on perturbed theory |
| url | http://dx.doi.org/10.1155/2014/240858 |
| work_keys_str_mv | AT zhihuini determinationofthesedimentcarryingcapacitybasedonperturbedtheory AT qiangzeng determinationofthesedimentcarryingcapacitybasedonperturbedtheory AT wulichun determinationofthesedimentcarryingcapacitybasedonperturbedtheory |