J. Westerweel – författare

The aeronautics industry is presently aiming for faster design cycles and shorter time to market of new aircraft. It is looking at the same time for improved aerodynamic performance, for evident competitive reasons. Advanced, computer based design systems, including fast and reliable numerical flow solvers, have been developed in the last decade including new turbulence models. On the experimental side, measurement techniques in general have also been improved significantly, however the data evaluation process remains still very time consuming, and unsteady effects and turbulence are often not being captured with sufficient accuracy and detail. The development of Particle Image Velocimetry (PIV) has helped to improve the analysis of the flow fields. After investigations in laboratory scale wind tunnels, a joint initiative on PIV research, by the European Aerospace Research Establishments, within GARTEUR have enabled a wide breakthrough of this new technology in Europe. Within the Research Framework Program of the European Union, the joint research project EUROPIV aimed to apply PIV technology to problems of industrial interest.

This book is a detailed presentation of the cooperative research activity undertaken by 20 European teams to contribute to the development of Particle Image Velocimetry. This research was performed over a period of two years, in the frame of a European Brite-Euram contract and was greatly enhanced by its cooperative aspect. The book presents extensive comparisons of both recording and analysis of PIV images. A database has been built, which is presented in detail and which is accessible via Internet. Industrial application in a large wind tunnel, validation of up-to-date numerical predictions and new developments including extension to 3C are also addressed in the different chapters of this book. In addition, 25 individual contributions are provided in the form of scientific papers which cover various aspects of the development of the method (PTV, video recording, stereo-PIV, holo-PIV). This book will be of interest to scientists and engineers active in the field.