Research Article

Proper Orthogonal Decomposition Analysis and Dispersion Characteristics of Resonant Acoustic Flow

Table 2

The energy distribution En of the nth mode and the cumulative contribution TKEn of the first n modes.

n70% fill level a = 20 g70% fill level a = 30 g70% fill level a = 40 g80% fill level a = 40 g90% fill level a = 40 g
EnTKEnEnTKEnEnTKEnEnTKEnEnTKEn

119.2519.2515.0015.008.848.849.139.139.939.93
400.4690.560.6382.830.7577.340.6979.210.4882.83
460.3891.670.5286.200.6481.420.5882.930.3190.03
540.2992.890.4090.050.5486.140.5087.240.1992.01
610.2494.740.3392.270.4589.550.4190.350.0892.63
630.2395.210.3092.900.4290.410.3991.150.0693.28