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Full Description
The Particle Image Velocimetry (PIV) measurement technique has undergone a strong development in the last 10 years. This book presents the proceedings of an international workshop held in Zaragoza, Spain on March 31st and April 1st, 2003 containing contributions from worldwide leading teams in the development of the PIV method. Most of these papers have been funded by the EC via the European EUROPIV 2 consortium to improve the performances of this measurement technique toward applications in the European Aeronautical industry, including results which are of strong interest for the worldwide community in Fluid Dynamics.
Contents
Invited Lectures:.- Application of PIV to AC electrok inetic flows.- Dynamic PIV : a strong tool to resolve the unsteady phenomena.- Session 1: Aeronautics.- Detailed characterisation, using PIV, of the flow around an aerofoil in a high-lift configuration.- Comparison of numerical simulations of the flow around an airfoil in high lift configuration with PIV experimental results.- Characterization of the flowfield around a transonic wing by PIV.- Wake Vortex Investigations by means of Stereoscopic PIV and 5-Hole Probe.- Session 2: Advanced algorithms.- The local field correction advanced PIV algorithm.- Development and assessment of non-isotropic spatial resolution in PIV.- Advanced PIV algorithms with image distortion, validation and comparison using synthetic images of turbulent flow.- Advances in hybrid PIV-PTV technique and application to vortical flows.- Session 3 : PIV Accuracy.- The EUROPIV Synthetic Image Generator (S.I.G.).- Characterization of different PIV algorithms using the Europiv Synthetic Image Generator and real images from a turbulent boundary layer.- Assessment of vorticity with advanced PIV technique s.- Session 4 : Applications.- Analysis of stereoscopic PIV measurements using synthetic PIV images.- Measurement uncertainty of Stereoscopic-PIV for flow with large out-of-plane motion.- Investigation of Unsteady Effects in Transonic Turbomachinery Flows using Particle Image Velocimetry.- PIV methods for turbulent bubbly flow measurements.- Proposal for netCDF (re)implementation for use with planar velocimetry data.- Session 5 : Turbulence and PTV.- PIV measurements of turbulence decay behind a grid.- PTV for the characterization of turbulent channel flow: comparison of experimental and simulation approaches.- Photogrammetric Particle Image Velocimetry.- Application of PlY to characterise the flow-phenomena of a heavy-duty cylinder head on a stationary flow-bench.- Session 6: Holography and ESPI.- Advances in light-in-flight HPIY for the study of wind tunnel flows.- Holographic PlY for large scale facilities.- Comparison between PlY and ESPI and stereo PlY on the 351 measurement of 3-C velocity fields.- From ESPI to Digital Image Plane Holography (DIPH) : requirements, possibilities and limitations for velocity measurements in a 3-D volume.- Session 7: Stereoscopic PIV.- Study of the accuracy of different stereoscopic reconstruction algorithms.- Self-calibration of PlY video-cameras in Scheimpflug conditions.- 3D-PlY measurements near the wall.- Generation and control of tracer particles for optical flow investigations in air.
