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Hole Pattern Seals

Hole Pattern Seals

Hole pattern seals were developed in efforts to simplify the manufacturing process from honeycomb seals. Hole pattern seals are usually manufactured from aluminum so that in the event of intermittent rotor-stator interaction, minimal damage is sustained by the rotor.

Like the honeycomb seal, the hole pattern seal geometry and design is optimized and analyzed using a bulk-flow engineering program. Oftentimes these seals are packaged with a swirl break to further enhance the effective damping and minimize the location of the effective damping cross-over frequency.

 

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