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.

Cadmium-plating Can-annular combustion chamber Can-type combustion chamber Cascade axis Cascade front Cascade normal Cascade spacing Case-hardening CBN hardfacing of blade tips Ceramic Coating Ceramics CFRP structures Chemical conversion Chromate treatment of aluminum

Chromate treatment of magnesium Chromic acid anodizing CLEAN Cleaning Columnar crystal Combustion chamber Component efficiency Compressor Control system Cooling air holes Copper-plating Crack inspection Critical Mach No.

Control system

The overall engine control system consists of individual sub-systems for monitoring engine parameters, such as fuel control system, vane and nozzle actuating systems, bleed system, oil system, and the required speed, pressure and temperature sensors and transducers.