Table 1 Specifications for cluster spiral groove seal face
From: Leakage and Stiffness Characteristics of Bionic Cluster Spiral Groove Dry Gas Seal
Item | Value |
|---|---|
Outside radius ro (mm) | 36.5 |
Inside radius ri (mm) | 29.5 |
Balance radius rb (mm) | 32.5 |
Groove number Ng | 12 |
Spiral angle β (°) | 15 |
Groove-dam ratio αg | 1.5 |
Groove-land ratio δ | 1.0 |