ASA 129th Meeting - Washington, DC - 1995 May 30 .. Jun 06

2pED5. Demonstrations of acoustic resonant systems.

James M. Sabatier

Richard Raspet

Bruce Denardo

Natl. Ctr. for Physical Acoust. and Dept. of Phys. and Astron., Univ. of Mississippi, University, MS 38677

The phenomena of ``sonic wind,'' viscous drag, and high ``Q'' in resonant acoustic systems is demonstrated. The first two are the well-known Christmas tree balls and rotating cup demonstration. The third is a large heavy tuning fork which rings for a very long time after being struck.