Table 3: Amplitude of frequency domain and MPF at volute monitoring points (see Figures 7(a) and 7(b)).

ItemsFrequency12345

Without splitter50 Hz2101.526497.022194.449119.441797.85
100 Hz425.34491.59911.751111.941051.60
150 Hz420.67560.64699.092390.07987.26
MPF1.443.731.665.242.03

With splitter50 Hz956.431361.59492.591379.13190.40
100 Hz963.561160.571495.593628.931120.18
150 Hz400.03498.83870.31984.721249.82
MPF1.021.551.253.091.48