Andrea Zampiron

Secondary currents and very-large-scale motions in open-channel flow over streamwise ridges

A Zampiron, S Cameron, V Nikora

Journal article  |  2020  |  Journal of Fluid Mechanics

It is widely acknowledged that streamwise ridges on the bed of open-channel flows generate secondary currents (SCs). A recent disc..

Effects of Streamwise Ridges on Hydraulic Resistance in Open-Channel Flows

A Zampiron, V Nikora, S Cameron, W Patella, I Valentini, M Stewart

Journal article  |  2020  |  Journal of Hydraulic Engineering

This Technical Note reports on new experiments focused on hydraulic resistance in open-channel flows over beds covered with stream..

Friction factor decomposition for rough-wall flows: theoretical background and application to open-channel flows

V Nikora, T Stoesser, SM Cameron, M Stewart, K Papadopoulos, P Ouro, R McSherry, A Zampiron, I Marusic, RA Falconer

Journal article  |  2019  |  Journal of Fluid Mechanics

A theoretically based relationship for the Darcy–Weisbach friction factor for rough-bed open-channel flows is derived and discuss..

Hydraulic resistance in open-channel flows over self-affine rough beds

Mark T Stewart, Stuart M Cameron, Vladimir I Nikora, Andrea Zampiron, Ivan Marusic

Journal article  |  2019  |  Journal of Hydraulic Research

Large and very large scale motions in roughbed open-channel flow

S Cameron, V Nikora, M Stewart, A Zampiron

Conference Proceedings  |  2018  |  E3S Web of Conferences

Long duration PIV measurements in rough-bed (glass beads) open-channel flow (OCF) reveal that the pre-multiplied spectra of the st..