Sector modifications

Effectively introducing additional flow interferance for Air/ gas reduces leakage of o2. The advantages of this are self explanitory.

Effect of Double Sealing:

Definition of Leakage:

Double Radial Walls:

Advantages:

• Introduces additional Flow Interferance, therefore reduces Leakage
• Improves Fan Power efficiency
• Slightly reduces carry over leakage

Disadvantages:

• Very slight loss in heat transfer
• Initial costs for the modifications
• Extra baskets (may not be a factor)

Alternative Sealing Options:

1. Radial, Flexible Seals
2. Basket Seals
3. Sector Modifications
4. Axial & Circular Seal alternatives

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