Theoretical Solutions for Dynamic Characteristics of Liquid Annular Seals with Herringbone Grooves on the Stator Based on Bulk-Flow Theory

Figure 12

Dynamic characteristic changes versus L₂/L ratio.

(a) Direct stiffness versus L₂/L ratio

(b) Cross-coupled stiffness versus L₂/L ratio

(c) Direct damping versus L₂/L ratio

(d) Cross-coupled damping versus L₂/L ratio