Kaybob Revisited: What We Have Learned about Compressor Stability from Self-Excited Whirling

Table 1

Kaybob compressor model disk properties.

Disk #	Station	Mass (lbm)	Transverse inertia (lbm·in^2)	Polar inertia (lbm·in^2)	Length (in)	Inner diameter (in)	Outer diameter (in)
1	9	15	760	1400	1.5	4.36	15.0
2	10	15	760	1400	1.5	4.36	14.3
3	11	15	760	1400	1.4	4.36	14.3
4	12	15	760	1400	1.4	4.36	14.3
5	13	5	760	1400	1.3	4.36	13.6
6	14	5	400	750	1.3	4.36	13.3
7	15	5	400	750	1.3	4.36	13.1
8	16	5	400	750	1.2	4.36	13.1
9	17	5	400	750	1.2	4.36	13.0