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Hydraulic Resistance of Flow in Channels with Cylindrical Roughness
Abstract
A laboratory study on the hydraulics of flow in an open channel with circular cylindrical roughness is presented. The laboratory study consists of an extensive set of flume experiments for flows with emergent and submerged cylindrical stems of various sizes and concentrations. The results show that the flow resistance varies with flow depth, stem concentration, stem length, and stem diameter. The stem resistance experienced by the flow through the vegetation is best expressed in terms of the maximum depth-averaged velocity between the stems. Physically based formulas for flow resistance, the apparent channel velocity, and flow velocities in the roughness and surface layers are developed. The formulas are validated with the flume data from the present study as well as those from past studies. A method for calculating channel hydraulic conditions using these formulas is presented.
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Cited by
On inducing equations for vegetation resistance
Baptist, M. J., Babovic, V., Rodríguez Uthurburu, J., Keijzer, M., Uittenbogaard, R. E., Mynett, A., & Verwey, A. (2007) · Journal of Hydraulic Research · doi:10.1080/00221686.2007.9521778 · Cited by 484
Effects of vegetation on channel morphodynamics: results and insights from laboratory experiments
Tal, M., & Paola, C. (2010) · Earth Surface Processes and Landforms · doi:10.1002/esp.1908 · Cited by 396
Vargas‐Luna, A., Crosato, A., & Uijttewaal, W. S. J. (2015) · Earth Surface Processes and Landforms · doi:10.1002/esp.3633 · Cited by 240
Metadata
- Authors
- Stone, B. M., & Shen, H. T.
- Venue
- Journal of Hydraulic Engineering
- Published
- 2002-05
- Volume
- 128
- Issue
- 5
- Pages
- 500-506
- ISSN
- 0733-9429 (ISSN-L)
- 1943-7900
- DOI
- 10.1061/(asce)0733-9429(2002)128:5(500
- OpenAlex
- W2125495015
- Cited by
- 419
- References
- 0
- FWCI
- 9.04
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Hydraulic Resistance of Flow in Channels with Cylindrical Roughness. https://app.cochat.ai/papers/10.1061/(asce)0733-9429(2002)128:5(500
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- Stone, B. M., & Shen, H. T. (2002). Hydraulic Resistance of Flow in Channels with Cylindrical Roughness. Journal of Hydraulic Engineering. https://doi.org/10.1061/(asce)0733-9429(2002)128%3A5(500
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