Unmanned aerial vehicles in hydrology and water management: Applications, challenges, and perspectives
BS Acharya, M Bhandari, F Bandini… - Water Resources …, 2021 - Wiley Online Library
The hydrologic sciences and water resources management have long depended on a
combination of in situ measurements and remotely sensed data for research and regulatory …
combination of in situ measurements and remotely sensed data for research and regulatory …
Velocity bias in intrusive gas-liquid flow measurements
Gas–liquid flows occur in many natural environments such as breaking waves, river rapids
and human-made systems, including nuclear reactors and water treatment or conveyance …
and human-made systems, including nuclear reactors and water treatment or conveyance …
[HTML][HTML] Reynolds stress modeling of supercritical narrow channel flows using OpenFOAM: Secondary currents and turbulent flow characteristics
In this study, the full Launder, Reece and Rodi pressure-strain model, and nonlinear
boundary damping functions were incorporated in OpenFOAM® to simulate the turbulence …
boundary damping functions were incorporated in OpenFOAM® to simulate the turbulence …
Influence of bridge pier shape on flow field and scour geometry
The objective of the present paper is to investigate experimentally the flow field and the local
scour around bridge pier of different shapes on a sediment bed. Experiments were carried …
scour around bridge pier of different shapes on a sediment bed. Experiments were carried …
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 …
An ordinary differential equation for velocity distribution and dip-phenomenon in open channel flows
R Absi - Journal of Hydraulic Research, 2011 - Taylor & Francis
An ordinary differential equation (ODE) for velocity distribution in open channel flows is
presented based on an analysis of the Reynolds-averaged Navier–Stokes equations and a …
presented based on an analysis of the Reynolds-averaged Navier–Stokes equations and a …
Prediction of river discharges at confluences based on Entropy theory and surface-velocity measurements
Hydrodynamic features of the confluence zone of large rivers are complicated because of
their three-dimensional flow structure. The confluence between the Rio Negro and the Rio …
their three-dimensional flow structure. The confluence between the Rio Negro and the Rio …
Considerations on direct stream flow measurements using video imagery: Outlook and research needs
The paper presents measurements acquired with Large-Scale Particle Image Velocimetry
(LSPIV) during normal flows and floods in the Iowa River (USA). For normal flows …
(LSPIV) during normal flows and floods in the Iowa River (USA). For normal flows …
Turbulence characteristics in supercritical open channel flows: Effects of Froude number and aspect ratio
An experimental investigation of supercritical uniform and gradually varied open channel
flows is presented for a wide range of Froude numbers and flume width-to-flow depth aspect …
flows is presented for a wide range of Froude numbers and flume width-to-flow depth aspect …
[HTML][HTML] The effect of cross-sectional geometry on the high-speed narrow open channel flows: An updated Reynolds stress model study
S Kadia, L Lia, I Albayrak, E Pummer - Computers & Fluids, 2024 - Elsevier
This numerical study investigates the effect of the channel cross-sectional geometries,
namely archway, circular, and horseshoe on the mean velocity fields, secondary currents …
namely archway, circular, and horseshoe on the mean velocity fields, secondary currents …