Near-bed flow fields

Studying near-bed flows over mobile sediment beds is challenging. There is the measurement challenge on the one hand, needing equipment that is suitable to provide near-bed flow data, which can be spatially and temporally decomposed. On the other hand, the mobile nature of the boundary does not allow correlation of flow data to a known boundary. Presently we use PIV and acoustic Doppler velocimeter techniques for our projects.

Publications:

Journals

  • Guan, D., Melville, B.W., and Friedrich, H. (2014). Flow Patterns and Turbulence Structures in a Scour Hole Downstream of a Submerged Weir. Journal of Hydraulic Engineering, 140(1), 68-76. IF 1.276 (2012).
  • Clunie, T.M., Nikora, V.I., Coleman, S.E., Friedrich, H. and Melville, B.W. (2007). Flow measurement using flying ADV probes. Journal of Hydraulic Engineering, 133(12), 1345-1355. IF 1.276 (2012).

Refereed Conference Proceedings

  • Friedrich, H., Spiller, S.M. and Ruther, N. (2014). Near-bed flow over a fixed gravel bed. paper submitted to River Flow2014, Lausanne, Switzerland.
  • Spiller, S.M., Ruther, N., Casas-Mulet, R. and Friedrich, H. (2014). Pore water exchange in gravel bed rivers during hydropower peaking events. paper submitted to 10th ISE 2014, Trondheim, Norway.
  • Spiller, S.M., Ruther, N. and Friedrich, H. (2014). Mitigation measures for unsteady flow effects on riverbeds during hydropower peaking. paper submitted to River Flow2014, Lausanne, Switzerland.

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