Page 129 - Compression Machinery for Oil and Gas

FIG. 3.76 Compressor cross section. (Figure 5 from Y. Bidaut, U. Baumann, S.M.H. Al-Harthy,
Rotordynamic stability of a 9500 psi reinjection centrifugal compressor equipped with a hole pat-
tern seal—measurement versus prediction taking into account the operational boundary conditions,
in: Proceedings of the Thirty-Eighth Turbomachinery Symposium, Turbomachinery Laboratory,
Texas A&M University, College Station, TX, 2009, pp. 251–259.)

FIG. 3.77 Thrust brakes.

FIG. 3.78 Hole-pattern balance piston seal with swirl brakes.