WANG Cheng-hui, LIN Shu-yu*
(Applied Acoustics Institute, Shaanxi Normal University, Xi′an 710062, Shaanxi, China)
Abstract:
The one-dimensional acoustic wave equation is obtained by taking the effects of nonlinearity, viscosity, thermal conductivity and container's shape into account. The distribution of sound field is researched in the liquid held in containers with different shape. The container is assumed to be of axisymmetric. The nonlinear spectral equations are integrated numerically. The results are presented for three geometries: a cylinder, a cone, and an exponential shape. In the same conditions of driving sound, the magnitude and distribution of pressure amplitudes depend on the container's shape and the situation is more distinct when the sound source is located at the big face of exponential container. The pressure distribution has the properties of nonlinear standing wave.
KeyWords:
shape of container; distribution of sound field; nonlinear standing wave