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

Table 5

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

Mediums	Depths	Model sequence
		1	2	3	4	5	6	7	8
Air	0.2	192.21	235.78	356.04	413.07	462.38	533.42	568.43	645.54
	0.3	192.21	235.78	356.04	413.07	462.38	533.42	566.67	568.43
	0.4	192.21	235.78	356.04	413.07	425.00	462.38	466.44	486.02
	0.5	192.21	235.78	340.00	356.04	390.57	413.07	413.75	462.38
	0.6	192.21	235.78	283.33	342.38	356.04	368.60	413.07	455.02
	0.7	192.21	235.78	242.86	309.72	338.48	356.04	413.07	430.98
	0.8	192.21	212.50	235.78	286.53	317.41	356.04	413.07	414.64
Water	0.2	836.68	1026.32	1549.83	1798.09	2012.71	2321.95	2474.36	2809.99
	0.3	836.68	1026.32	1549.83	1798.09	2012.71	2321.95	2466.67	2474.36
	0.4	836.68	1026.32	1549.83	1798.09	1850.00	2012.71	2030.40	2115.61
	0.5	836.68	1026.32	1480.00	1549.83	1700.13	1798.09	1801.03	2012.71
	0.6	836.68	1026.32	1233.33	1490.35	1549.83	1604.50	1798.09	1980.68
	0.7	836.68	1026.32	1057.14	1348.18	1473.39	1549.83	1798.09	1876.04
	0.8	836.68	925.00	1026.32	1247.26	1381.65	1549.83	1798.09	1804.88