Sediment threshold under stream flow: A state-of-the-art review
S Dey, A Papanicolaou - KSCE Journal of Civil Engineering, 2008 - Springer
The doctoral research of Albert Frank Shields on sediment movement conducted in
Technischen Hochshcule Berlin becomes a legend that is most often referred by many …
Technischen Hochshcule Berlin becomes a legend that is most often referred by many …
Non-universality of von Kármán's κ in fluvial streams
A distinguished universal aspect of wall-bounded turbulent flows is Theodore von Kármán's
universal logarithmic law (log-law) of the wall, describing the time-averaged streamwise …
universal logarithmic law (log-law) of the wall, describing the time-averaged streamwise …
Velocity profile and turbulence structure measurement corrections for sediment transport-induced water-worked bed
JH Pu - Fluids, 2021 - mdpi.com
When using point measurement for environmental or sediment laden flows, there is well-
recognised risk for not having aligned measurements that causes misinterpretation of the …
recognised risk for not having aligned measurements that causes misinterpretation of the …
Influence of permeable beds on hydraulically macro-rough flow
H Fang, X Han, G He, S Dey - Journal of Fluid Mechanics, 2018 - cambridge.org
In this study, macro-rough flows over beds with different permeability values are simulated
using the large-eddy simulation, and the results are analysed by applying the double …
using the large-eddy simulation, and the results are analysed by applying the double …
Turbulence in mobile-bed streams
This study is devoted to quantify the near-bed turbulence parameters in mobile-bed flows
with bed-load transport. A reduction in near-bed velocity fluctuations due to the decrease of …
with bed-load transport. A reduction in near-bed velocity fluctuations due to the decrease of …
Gravel-bed hydrodynamics: Double-averaging approach
S Dey, R Das - Journal of Hydraulic Engineering, 2012 - ascelibrary.org
This study focuses on the double-averaged (DA) turbulence characteristics and the local
flow characterization in the flow zones over and within the flow-gravel-bed interface. The …
flow characterization in the flow zones over and within the flow-gravel-bed interface. The …
An evaluation of scour measurement devices
M Fisher, MN Chowdhury, AA Khan… - Flow Measurement and …, 2013 - Elsevier
Scour, the leading cause of bridge failures, affects hundreds of thousand bridges and costs
hundreds of millions of dollars in direct repair costs in the US alone. Furthermore, scouring …
hundreds of millions of dollars in direct repair costs in the US alone. Furthermore, scouring …
Effects of a fully submerged boulder within a boulder array on the mean and turbulent flow fields: Implications to bedload transport
The objective of this coupled experimental and numerical study is to provide insight into the
mean and turbulent flow fields within an array of fully submerged, isolated, immobile …
mean and turbulent flow fields within an array of fully submerged, isolated, immobile …
Reynolds stress anisotropy with higher-order turbulence in flow through rigid emergent vegetation: An experimental study
The flow turbulence and Reynolds stress anisotropy in flow over the smooth rigid bed with
the emergent rigid vegetation in a straight channel have been experimentally investigated …
the emergent rigid vegetation in a straight channel have been experimentally investigated …
Near-bed turbulence characteristics at the entrainment threshold of sediment beds
This experimental study is devoted to quantification of the near-bed turbulence
characteristics at an entrainment threshold of noncohesive sediments. Near the bed, the …
characteristics at an entrainment threshold of noncohesive sediments. Near the bed, the …