Development and Application of Integrated Aerodynamic Protuberant Foil Journal and Thrust Bearing in Turboexpander

Table 2

Geometrical parameters of the protuberant foil journal bearing [31].

Parameter	Magnitude
Nominal /g	830
Height of protuberant foil /mm	0.2
Crown pitch in peripheral direction of upper layer /mm	4
Crown pitch in peripheral direction of lower layer /mm	4
Protuberant foil thickness /mm	0.05
Top foil thickness /mm	0.07
Crown pitch in peripheral direction of upper layer /mm	4
Crown pitch in peripheral direction of lower layer /mm	4