**Acknowledgements**

The present author expresses his appreciation to three European scientists: Dr. Judit Angster of Fraunhofer-Institute fur Bauphysik, in Stuttgart, for her long-term support to carry out the PIV measurement; Prof. Avraham Hirschberg of Technishe Universiteit Eindhoven for his kind offer of the picture used as **Figure 12(c)** and helpful comments to the author's journal papers from the aeroacoustical viewpoint; and Prof. Andreas Bamberger of Freiburg University for his effective comments and suggestions on the PIV. Also, the author thanks Keita Arimoto and Takayasu Ebihara of Yamaha Corporation, in Hamamatsu, Japan, for their sincere support and appropriate comments to the manuscript.

**Author details**

Shigeru Yoshikawa

**75**

Kyushu University, Dazaifu, Japan

\*Address all correspondence to: shig@lib.bbiq.jp

*Vortices on Sound Generation and Dissipation in Musical Flue Instruments*

*DOI: http://dx.doi.org/10.5772/intechopen.91258*

provided the original work is properly cited.

© 2020 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium,

*Vortices on Sound Generation and Dissipation in Musical Flue Instruments DOI: http://dx.doi.org/10.5772/intechopen.91258*
