Kundt tube

Kundt tube

[′ku̇nt ‚tüb]
(acoustics)
A tube used to measure the speed of sound; it is filled with air or other gas and contains a light powder which becomes lumped at nodes, giving the length of standing waves generated in the tube.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
In the last scenario we decided to use for simulation a specific sound barrier (Fig.6.C), based on a special sound-absorbent material which we designed and tested with the last generation of Kundt Tubes. We introduced in the propagation model the specific absorption coefficient "Alpha" of the custom structure and we obtained the following results presented in figure 7.