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Large-scale particle image velocimetry for flow analysis in hydraulic engineering applications
Large-Scale Particle Image Velocimetry (LSPIV), as presented herein, is an extension of particle image velocimetry (PIV), which aims at providing velocity fields spanning large flow areas in
Large‐scale particle image velocimetry for measurements in riverine environments
Large‐scale particle image velocimetry (LSPIV) is a nonintrusive approach to measure velocities at the free surface of a water body. The raw LSPIV results are instantaneous water surface velocity
Two‐phase versus mixed‐flow perspective on suspended sediment transport in turbulent channel flows
The present paper reports results obtained with image velocimetry to provide new insights into the two‐phase nature of sediment‐laden flows. The resulting two‐phase flow perspective is compared with
Development of a non‐intrusive and efficient flow monitoring technique: The space‐time image velocimetry (STIV)
Abstract A novel image analysis technique for measuring river surface flow is proposed. When we assume that the brightness distribution of river surface image is convected with the surface velocity,
Application of Video Image Analysis for Measurements of River-Surface Flows
An image analysis method for the calculation of two-dimensional velocity distributions of river-surface flows is examined. In this method, complicated water surface configurations, which are created
Unseeded and seeded PIV measurements of river flows videotaped from a helicopter
AbsractA new PIV method for measuring river surface flows using videotaped images taken from a helicopter has heen developed. In this method, shifting of background images while videotaping was