What causes turbine oil foaming and how can it be prevented?

Causes of foaming:

Contamination: Presence of detergents, particles, or water can promote foam formation.
Mechanical Agitation: High-speed rotating parts can introduce air into the oil.
Additive Depletion: Loss of anti-foam additives over time reduces foam resistance.
Prevention:

Use Anti-Foam Additives: Ensure the oil contains adequate anti-foam agents.
Maintain Oil Cleanliness: Keep the oil free from contaminants that contribute to foaming.
Proper System Design: Design reservoirs and return lines to minimize turbulence.
Regular Monitoring: Check for signs of foaming and address underlying causes promptly.
Preventing foaming maintains lubrication efficiency and prevents overflow or cavitation issues.