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Abstract
Bedload transport by a turbulent fluid moving over an erodible sediment bed results from complex interactions between flow field of the overlying fluid and the grains making up the bed. To develop a better view of these interactions, a method that combines high-speed photography with laser-Doppler velocimetry was devised. The methodology permits correlation of bedload transport with local turbulence structure at a frequency resolution of 10 hz. By making a suite of measurements at varying distances from a backward step, data were obtained for a variety of flows with different turbulence characteristics ranging from steady, uniform boundary layers to highly intermittent, nonuniform wake-like flows.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Role of near-bed turbulence in bedload transport |
| Volume | 2 |
| Year Published | 1995 |
| Language | English |
| Publisher | ASCE |
| Publisher location | New York, NY, United States |
| Larger Work Title | Proceedings of Engineering Mechanics |
| First page | 686 |
| Last page | 689 |
| Conference Title | Proceedings of the 10th Conference on Engineering Mechanics. Part 1 (of 2) |
| Conference Location | Boulder, CO, USA |
| Conference Date | 21 May 1995 through 24 May 1995 |
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