Static Characteristics of Finger Seal considering Contact between Fingers and Rotor

Table 1

Parameters of noncontacting finger seal.

Parameters	Symbol	Value	Units
Finger base radius	Rb	114.12	mm
Stick arc radius	Rs	110.00	mm
Number of fingers	Nf	80	—
Rotor radius	Rr	107.92	mm
Foot upper radius	Rf	109.22	mm
Radius of circle of centers	Rcc	25.20	mm
Gap width	Gp	0.38	mm
Thickness of finger laminate	b	1.00	mm
Pad axial length	B	0.64	mm
Minimum height of the wedge		18	μm
Maximum height of the wedge		36	μm
Initial installation gap	hinit	30	μm