Acoustic Particle Velocity Measurements Using Lasers: Principles, Signal Processing and Applications

This book concerns the presentation of particle velocity measurement for acoustics using lasers, including Laser Doppler Velocimetry (LDV or Anemometry (LDA)) and Particle Imagery Velocimetry (PIV).
The objective is first to present the importance of measuring the acoustic velocity, especially when the acoustic equations are nonlinear as well as characterizing the near fields. However, these applications need to use non-invasive sensors. Some optical techniques, initially developed for fluid mechanics, have been adapted to the field of acoustics in recent years. This book summarizes 15 years of research in this area, highlighting the improvements that have been made, particularly in signal processing, and showing applications for which they have proven to be a carrier of innovation.

Jean-Christophe Valière is Professor at the University of Poitiers in France and a member of the Institut "Polytechnique Poitevin de Recherche et d'Ingénierie en Mécanique, Matériaux et Energétique" (Pprime) affiliated with the CNRS. His research is focused on signal processing and acoustics with applications to nonlinear acoustics and aeroacoustics. He also contributes to historical acoustics in collaboration with archaeologists.