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

Broaching

In this manufacturing process chisel-shaped broaches are used to produce slots with a dovetail or fir-tree profile in the rim of a turbine disk. These slots will later hold the turbine blades which feature a mating root profile.