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.

HAE "Hell" "Hard" anodizing Hard chrome-plating Hardening and tempering Hardfacing Heat exchanger High-pressure compressor High-pressure turbine High-speed milling High-temperature vacuum brazing Hot isostatic pressing (HIP) Hypersonic aircraft