The goal of aeroacoustic measurements is to provide a basis for assessing mechanisms of noise generation, and to develop methods of reducing noise to more acceptable levels. However, the measurements themselves are complex, and require a deep understanding of the experimental facility utilized (such as a wind tunnel), measurement instrumentation, and data analysis techniques.
In this volume recent advances in the measurement and understanding of aerodynamically generated sound are presented by leaders in the development of new techniques in this field. Both basic and applied problems are covered in detail.

Klappentext

The book describes recent developments in aeroacoustic measurements in wind tunnels and the interpretation of the resulting data. The reader will find the latest measurement techniques described along with examples of the results.

Inhalt

Preface.- Microphone Measurements in and out of Airstream.- Beamforming in Acoustic Testing.- Aeroacoustic Phased Array Testing in Low-Speed Wind Tunnels.- Source Characterization by Correlation Techniques.- An Anechoic Facility for Basic Aeroacoustic Research.