Numerical Study of Leakage and Rotordynamic Performance of Staggered Labyrinth Seals Working with Supercritical Carbon Dioxide

Table 2

Calculation conditions and parameters.

Calculation conditions	Rotor axial shifting z (mm)	Convex plate height a (mm)	Seal cavity height h (mm)	Convex plate width b (mm)	Seal clearance δ2 (mm)	Seal type
0	0	2.5	8.5	4.00	0.5	Staggered labyrinth seal
1	−4
2	−2
3	+2
4	+5
5	0	2	8.5	4.00	0.5
6		1.5
7		0
8	0	2.5	7.0	4.00	0.5
9			5.5
10	0	2.5	8.5	5.13	0.5
11				6.13
12	0	2.5	8.5	4.00	0.4
13					0.6
14	0	—	8.5	—	0.5	See-through labyrinth seal