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

Table 4

Geometrical parameters of the protuberant foil thrust bearing [32].

Parameter		Magnitude
Top foil thickness /mm		0.07
Protuberant foil thickness /mm		0.05
Number of supporting layers		2
Height of protuberant convex /mm		0.3
Spherical radius of projections /mm		1.4
Radial location of inner protuberant projections /mm	Upper layer	10.4
	Bottom layer	8.2
Radial location of outer protuberant projections /mm	Upper layer	14.8
	Bottom layer	12.6