Research Article

Analysis of Acoustic Characteristics of Arbitrary Triangular Prism and Quadrangular Prism Acoustic Cavities

Table 6

The first eight natural frequencies (Hz) of the quadrangular prism acoustic cavity with various cavity depths.

MediumsDepthsModel sequence
12345678

Air0.2208.17235.92344.78396.33464.77523.95554.15586.23
0.3208.17235.92344.78396.33464.77523.95554.15566.67
0.4208.17235.92344.78396.33425.00464.77473.24486.09
0.5208.17235.92340.00344.78396.33398.66413.83464.77
0.6208.17235.92283.33344.78351.58368.69396.33446.26

Water0.2906.141026.941500.801725.202023.122280.722412.202551.84
0.3906.141026.941500.801725.202023.122280.722412.202466.67
0.4906.141026.941500.801725.201850.002023.122060.002115.92
0.5906.141026.941480.001500.801725.201735.361801.392023.12
0.6906.141026.941233.331500.801530.421604.911725.201942.55