Page 88 - Compression Machinery for Oil and Gas
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Centrifugal Compressors Chapter 3 77
FIG. 3.41 Guide vane and impeller arrangement. (Courtesy of Elliott Group.)
3420 rpm 3636 rpm
1400
1200
Leading edge fundamental
16E
1000 14E
Frequency (Hz) 800
600
6E
400
5E
4E
3E
200
2E
1E
0
0 1000 2000 3000 4000
Operating speed (rpm)
FIG. 3.42 Impeller Campbell diagram [17].
