Advanced Technology Engine
From Handwiki Advanced technology engine is a term given to the modern generation of jet engines,[1] used initially on the airbuses and 'jumbo jets' but also now finding other applications. The principle is that a turbine engine will function more efficiently if the various sets of turbines can revolve at their individual optimum speeds, instead of at the same speed.
Details
The true advanced technology engine has a triple spool, meaning that instead of having a single drive shaft, there are three, in order that the three sets of blades may revolve at different speeds. An interim state is a twin-spool engine, allowing only two different speeds for the turbines. The advantages of the advanced technology engine lie mainly in their low noise levels, although the use of new materials, such as carbon fibers, will in due course also lead to lighter and more economical power plants.
Rolls Royce Ultrafan
The Rolls Royce Ultrafan claims to be the largest and most efficient jet engine to use this technology. The turbines behind the main fan are small and allow a good volume of air to pass straight through, while a planetary gearbox "allows the main fan to spin slower and the compressors to spin faster, putting each in their optimal zones."[2] It is currently still in the testing stage.
See also
- Index of aviation articles
References
- ↑ Wragg, David W. (1973). A Dictionary of Aviation (first ed.). Osprey. p. 4. ISBN 9780850451634.
- ↑ "World's largest and most efficient aircraft engine aces first tests" (in en-US). 2023-05-22. https://newatlas.com/aircraft/rolls-royce-ultrafan-testing/.
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Categories: [Jet engine technology]
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