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
High-pressure turbine
In the turbine, the energy of the gases exiting the combustion chamber at high pressures and velocities is converted into mechanical energy. Turbines, and compressors as well, consist of a high-pressure and a low-pressure section. The high-pressure and low-pressure turbines are directly connected with their compressor counterparts via the respective shafts. The turbine must be capable of withstanding much higher stresses than the compressor, i.e. high gas temperatures and extreme centrifugal forces of several tons acting on the disk rims.
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