Glossary

What are transonic airfoils, and what is the active clearance control? Check out our technical dictionary and find out more about engine technology terms – from active clearance control to velocity triangle.

Black-oxidizing Blade force Blade load Bling Blisk Broaching Brush seals Bypass ratio

Brush seals

Brush seals consist of numerous flexible steel wires. Since the wire tips are in contact with the rotor losses are minimized. The seal quality is ensured for several years.