Measurement of the free-surface elevation in a steady flow in complex topography using photogrammetry
(2016) International Conference on Fluvial Hydraulics, River Flow 2016 — Location: St-Louis, USA (11.July.2016)
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- Abstract
- Experiments are widely used to obtain validation data for numerical models in well-controlled flow conditions. One difficulty when conducting experiments is the selection of appropriate measurement techniques. Most of the current techniques can only capture a small portion of the area of interest and some of them are also intrusive. This study uses photogrammetry to determine the water elevation in a wide area representing a scale model of the Dahan creek in Taiwan, without perturbing the flow. In this work, steady flows over a fixed bed (without sediment transport) are investigated. Based on the obtained results, the capabilities and limitations of the photogrammetry in capturing the flow features are discussed.
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Citations
Franzini, F., Soares Frazao, S., & Capart, H. (2016). Measurement of the free-surface elevation in a steady flow in complex topography using photogrammetry. River Flow 2016: Proceedings of the International Conference on Fluvial Hydraulics, p. 581-587. https://hdl.handle.net/2078.5/268421